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Hengde Company, a well - known enterprise in the refrigeration equipment R & D and production industry, has been committed to providing efficient and stable industrial chiller products for various fields for many years. With advanced technology and strict quality control, Hengde chillers have a good reputation in the market and are widely used in many scenarios such as industrial production and scientific research experiments, providing reliable refrigeration support for customers' production and operation. However, to ensure the safe and efficient operation of the industrial chiller, correct operation and maintenance are of utmost importance. The following are the precautions and warnings for Hengde chillers.   I. Operating Precautions for Chillers 1. The chilled water pump of the chiller must not operate when there is no water in the water tank. 2. Try to avoid continuous switching of the operation switch. 3. When the chilled water temperature of the chiller reaches the set temperature, the compressor will automatically stop running. This is a normal phenomenon. 4. The temperature switch should be set above 5°C to prevent the evaporator from freezing (except for low - temperature units). 5.To ensure the best cooling effect and keep the chiller in optimal condition, regularly clean the condenser, evaporator, and water filter of the industrial chiller.   II. Electrical Precautions 1. Only after the unit is shut down and the power is turned off can the industrial chiller be cleaned. Otherwise, there may be a risk of electric shock or injury. 2. Do not directly rinse the chiller with water, and do not perform maintenance when the chiller is in operation. 3. Do not use steel wire or copper wire to replace the circuit breaker. Use the correct - specification fuse to avoid damaging the industrial chiller. 4. If a fault alarm occurs, immediately shut down the unit. Restart it only after the fault is eliminated, or promptly notify the maintenance personnel for handling. Continuing to use the chiller in this situation may cause electric shock or fire accidents. 5. Warranty work can only be carried out by professionals. Before removing the electrical wiring device, all power sources must be cut off.   III. Warnings 1. Never twist or pull the wires of the controller to avoid damaging the controller and causing malfunctions. 2. Never wipe the controller with benzene, thinners, or chemicals. Otherwise, it may cause discoloration or component malfunctions. To clean it, first soak a cloth in water containing a neutral detergent, wring out the water, wipe the controller, and then dry it with a dry cloth. 3. Never apply excessive force to the operation screen or connection parts to avoid color changes.   Hengde Company always pays attention to the customer - use experience. In addition to providing high - quality chiller products, we also have a professional after - sales team to provide customers with all - round technical support and maintenance guidance. If you have any questions or need help during the use of Hengde chillers, please feel free to contact us (www.hengdechiller.com). We will wholeheartedly serve you to ensure that your equipment is always in the best operating condition.   Choose Hengde, Choose Perfect Chillers!

Hengde Company, with a long standing reputation in the industrial temperature control sector, has been dedicated to delivering state of the art and dependable temperature control equipment. Our oil type mould temperature controller machines are engineered to meet the diverse and exacting demands of various industries, offering unrivaled performance and durability. Here, we present a comprehensive guide to the installation steps of our oil type mold temperature controller (Oil MTC or Oil Heater) machines, ensuring a seamless setup process for your production operations.   Installation Steps 1. Connect the Mold and Mold Temperature Controller Machine: First, connect the mold outlet to the hot oil inlet of the oil - type temperature machine. Make sure the connection is precise to avoid any oil leakage. Use appropriate fittings and ensure a tight seal.Then, connect the mold inlet to the hot oil outlet of the machine. This step is crucial for establishing the hot oil circulation loop between the mold and the temperature machine.   Handle Unused Inlets and Outlets: For other unused hot oil inlets and outlets, block them with plugs to prevent any foreign matter from entering. As an alternative, you can also block them with bellows. This not only maintains the integrity of the system but also ensures safety during operation.   2. Oil Filling Process: When filling oil, closely monitor the liquid level display tube on the side of the oil tank. This provides a clear indication of the oil volume. During the first pump cycle, pay extra attention to the oil level in the tank.After starting the pump, immediately check whether the oil in the tank is sufficient. Simultaneously, observe the pressure gauge. Once the desired pressure is reached, the optimal oil level should be at the 1/3 position of the display tube. This ensures efficient operation and prevents potential malfunctions due to incorrect oil levels.   3. Check Pipe Joints: Thoroughly confirm whether the joints of the bellows and water pipes are tightened. Loose joints can lead to oil leakage or water seepage, which may cause damage to the equipment and affect the production process.   4. Power Connection: Connect the power cord of the machine to your company's switch box and fasten it securely. If the machine does not come with a power cord, then connect your company's power cord to the air switch box in the electrical control box of the oil type mould temperature controller machine.It is of utmost importance to connect the ground wire. This is a critical safety measure that protects the equipment and personnel from potential electrical hazards.   By following these detailed installation steps, you can ensure the proper functioning of your Hengde oil type mould temperature controller machine. Hengde Company is committed to providing not only high quality products but also comprehensive after sales support. If you encounter any issues during the installation or operation, our professional technical team is always ready to assist you. We aim to be your long term partner in achieving efficient and reliable temperature controlled production processes.   Choose Hengde, Choose Perfect Mold Temperature Controller!

Hengde Company, a renowned leader in the industrial refrigeration sector, offers top - notch Industrial Chillers that are crucial for various industrial processes. To ensure the optimal performance and long - term reliability of these chillers, proper installation is of utmost importance. Before commencing the installation, the following preparations are essential.   Pre - installation Preparations 1. The chiller unit should be installed in a dedicated machine room. Measures must be taken to exhaust the heat generated during the chiller unit's operation from the machine room. The ventilation volume should be sufficient to maintain the room temperature below 40°C.   2. The chiller unit should be installed on a non - deformable rigid base or a concrete foundation. This foundation should have a flat surface and be capable of bearing the weight of the chiller unit during operation.   3. There should be drainage measures such as drainage ditches around the chiller unit's foundation with sufficient discharge capacity. This is to facilitate the discharge of water in the system during seasonal shutdowns or maintenance.   4. The machine room should have enough space for the installation, maintenance, and repair of the chiller unit. There should be sufficient space for tube extraction. Also, no pipelines or wire ducts should be laid above the compressor.   5. To ensure the normal operation of electrical components, do not install the chiller unit in places with dust, dirt, corrosive fumes, or high humidity. If such conditions exist, they must be rectified.   Installation Requirements 1. For water-cooled chillers, select a cooling tower that matches the refrigeration capacity of the chiller. When installing the piping of the chiller, install it according to the diameter of the cooling water pipe. Do not reduce the size of the cooling water pipe, as this will cause high - pressure overload, affect the refrigeration effect, and increase power consumption.   2. For air-cooled chillers, they must be installed in a space more than 1m away from the wall to avoid poor heat dissipation, which can lead to high - pressure overload, affect the refrigeration effect, and increase power consumption.   Notes 1. For power load and grounding parts, please construct according to relevant regulations! 2. The chilled water pipes of newly installed chillers must be insulated!   Hengde Company is committed to providing not only high quality Industrial Chillers but also comprehensive technical support and after - sales services. If you encounter any problems during the installation or operation of the chiller, our professional team is always ready to assist you. We aim to ensure that your chiller operates smoothly and efficiently, contributing to the success of your industrial operations.   Choose Hengde, Choose Perfect Chillers!

As a leading player in the industrial temperature control field, Hengde Company has always adhered to the concepts of innovation and top - notch quality, providing advanced and reliable temperature control solutions to customers worldwide. Our water type mold temperature controller machines play a crucial role in industries such as plastics and rubber with their excellent performance and stability. The following will provide you with a detailed introduction to the installation steps of Hengde water type mold temperature controller machines, helping you smoothly complete the installation and commissioning of the equipment and embark on a journey of efficient production.     Installation of the Cold Water Circulation System 1. Connecting the Cooling Water Pipeline First, based on the size of the cooling water inlet and outlet of the water type mold temperature controller machine, select suitable high temperature resistant hot water pipes. These high temperature resistant hot water pipes should have good pressure resistance and corrosion resistance to ensure that there are no leaks or aging issues during the long  term passage of cooling water. Accurately dock the cooling water pipes with the cooling water inlet and outlet of the temperature machine, and use professional pipe clamps or connectors for fastening to prevent loosening during operation.   2. Connect the cooling water outlet of the temperature machine back to the water source or water tower to build a circulation loop. This not only enables the effective recycling of water resources, reduces production costs, but also conforms to the concept of environmental protection. During the connection process, ensure that the slope of the pipeline is reasonable to avoid water accumulation, which may affect the cooling effect.     Installation of the Hot Water Circulation System 1. Connecting the Heat Medium Pipeline Use Teflon tubes or bellows to connect the heat medium outlet of the water type mold temperature controller machine to the mold inlet. Teflon tubes and bellows have good flexibility and high temperature resistance, which can adapt to different installation environments and are not easy to deform or damage at high temperatures. When connecting, pay attention to the pipeline direction to avoid bending or twisting and ensure the smooth flow of the heat medium.   2. Connect the mold outlet back to the heat medium inlet of the temperature machine to form a complete hot water circulation path. During the connection process, carefully check whether the connection is well - sealed to prevent hot water leakage.   3. For the unused heat medium inlets and outlets on the temperature machine, it is highly recommended to connect them with Teflon tubes or bellows. This measure can effectively prevent the situation of hot water spraying out and hurting people due to accidental valve opening. At the same time, in order to further improve energy efficiency and ensure the safety of employees, it is best to wrap the hot water connection pipes with insulation cotton. The insulation cotton can effectively reduce heat loss, lower energy consumption, and avoid employees from being scalded.   If you have any questions during the installation process, please feel free to contact Hengde. Choose Hengde, Choose Perfect Mold Temperature Controller!

In the electroplating industry, maintaining a stable and appropriate temperature is crucial for the quality of the plating process. This is where the choice between water cooled chillers and air cooled chillers becomes a significant decision. Let's explore the pros and cons of each to help you make an informed choice for your electroplating operations.​   Cooling Efficiency​ Electroplating water cooled chillers generally offer higher cooling efficiency. Water has a much higher heat - transfer coefficient compared to air. In an electroplating plant, where large amounts of heat need to be dissipated quickly, a electroplating water chiller can transfer heat more effectively. For example, in a large - scale electroplating production line with high volume plating tanks, a electroplating water cooled chiller can rapidly cool the plating solution, ensuring a consistent temperature. This is essential for achieving uniform plating thickness and high quality finishes.​   On the other hand, electroplating air chillers rely on air to dissipate heat. While they are suitable for some applications, their cooling efficiency is relatively lower. The heat transfer in air cooled systems is slower, which may not be sufficient for high heat load electroplating processes. However, for smaller electroplating shops with lower heat generation, an electroplating air cooled chiller might be adequate.​   Installation and Space Requirements​ Air cooled chillers are more straightforward to install. They do not require a complex water cooling tower or a dedicated water supply system. This makes them an attractive option for facilities where space is limited or where the installation of a water cooling infrastructure is not feasible. For instance, in a compact electroplating workshop located in an urban area with restricted space, an electroplating air cooled chiller can be easily placed on the floor, saving valuable floor space.​   Water cooled chillers, in contrast, need a cooling tower and a network of pipes for water circulation. The installation of these components requires more space and careful planning. The cooling tower needs to be placed in an area with good air circulation, which may not always be available in some electroplating facilities. Additionally, the plumbing work for the water cooled system can be more complex and time consuming.​   Energy Consumption​ Electroplating coating water cooled chillers tend to consume less energy in the long run, especially in large scale operations. Their higher cooling efficiency means that they can achieve the same cooling effect with less power input compared to electroplating coating air cooled chillers. In an electroplating factory that operates around the clock, the energy savings from using a plating water cooled chiller can be significant over time.​   Air cooled chillers, due to their lower efficiency, generally consume more energy. The fans used to dissipate heat in air cooled systems require continuous power, and this can add up to a substantial energy cost, especially for high duty electroplating processes. However, for intermittent or low load electroplating operations, the energy consumption difference may not be as pronounced.​   Maintenance​ Air cooled chillers are relatively easier to maintain. They have fewer components compared to water cooled systems. The main maintenance tasks involve cleaning the air filters and checking the fan motors. In an electroplating environment, where there may be contaminants in the air, regular filter cleaning can ensure optimal performance.​   Water cooled chillers, on the other hand, require more extensive maintenance. The cooling tower needs to be cleaned regularly to prevent the build up of scale and algae. The water treatment system, which is essential for preventing corrosion in the pipes and the chiller itself, also needs to be monitored and maintained. In an electroplating facility, where the water used in the cooling system may come into contact with various chemicals, proper water treatment becomes even more critical.​   Cost​ In terms of initial cost, air cooled chillers are often more affordable. Their simpler design and lack of a need for a complex water - cooling infrastructure result in lower purchase and installation costs. This makes them an attractive option for small to medium sized electroplating businesses with budget constraints.​   Water cooled chillers, while more expensive to purchase and install initially, can offer long term cost savings due to their lower energy consumption and higher cooling efficiency. For large scale electroplating operations with high heat load requirements, the investment in a water cooled chiller may be well worth it in the long run.​   In conclusion, the choice between a water cooled and an air cooled chiller in the electroplating industry depends on several factors, including the scale of the operation, available space, energy costs, and maintenance capabilities. For large scale, high heat load electroplating plants, a water cooled chiller may be the better choice despite its higher initial cost. However, for smaller facilities with limited space and lower heat load requirements, an air cooled chiller can provide a cost effective and convenient solution.   Choose Hengde, Choose Perfect Electroplating Chillers!

Hengde Company, a leading player in the industrial mold temperature control field, has been dedicated to the research, development, production, and sales of mold temperature controller machines for many years. With advanced technology, strict quality control, and a comprehensive after - sales service system, Hengde's mold temperature controller machines have established an excellent reputation in the market. Our products are widely applied in various industrial production scenarios, providing reliable support for the efficient production of numerous enterprises.   In the world of industrial temperature control, oil mold temperature machines and water mold temperature machines play crucial roles. Although they both serve the purpose of temperature regulation, there are significant differences between them. Understanding these differences can help industries make the right choice for their specific needs.   1. Working Principles Oil Mold Temperature Machines: These machines use heat transfer oil as the heat medium. The heating element heats the oil, and then the hot oil circulates through the system via a pump. The oil transfers its heat to the process equipment, maintaining a stable temperature. Since oil has a relatively high boiling point, it can reach higher temperatures.Such as 300℃（572℉），350℃（662℉）。   Water Mold Temperature Machines: Water is the heat transfer medium in water mold temperature machines. Electric heaters heat the water, and the heated water is pumped to the equipment that requires temperature control.    2. Applicable Scenarios Oil Mold Temperature Machines: They are suitable for applications that demand high - temperature control, such as in some plastic injection molding processes where temperatures above 100°C（212℉） are required. In the chemical industry, when dealing with reactions that occur at elevated temperatures, oil mold temperature machines can ensure accurate temperature control. They are also used in some heat - treating processes for metals.   Water Mold Temperature Machines: Ideal for applications where the required temperature is below 100°C. For example, in the food and beverage industry, water temperature machines are used to maintain the appropriate temperature for pasteurization and fermentation processes. In the pharmaceutical industry, they are used for temperature - sensitive drug production processes. In some light industrial manufacturing processes like textile dyeing, where the temperature needs to be precisely controlled within a relatively low range, water temperature machines are the go - to choice.   3. Advantages and Disadvantages Oil Mold Temperature Machines Advantages: Can achieve high temperatures, often up to 300°C（572℉） or more, making them suitable for high temperature demanding industrial processes. They have a relatively stable temperature control performance, as the oil's slow - changing physical properties contribute to less temperature fluctuation.   Disadvantages: Heat transfer oil is flammable, which poses a certain safety risk if not properly handled. The cost of heat transfer oil is relatively high, and it also needs to be replaced regularly. In addition, oil may cause environmental pollution if there are leaks.   Water Mold Temperature Machines Advantages: Water is a clean, non - flammable, and low - cost heat transfer medium. It has high heat transfer efficiency, enabling rapid heating and cooling, which can improve production efficiency. It is also environmentally friendly.   Disadvantages: Limited by the boiling point of water, it is not suitable for high - temperature applications. Water can cause corrosion to metal components over time, especially if the water quality is not well - maintained.   When you are considering choosing the right mold temperature control machine, Hengde Company's rich product line can meet your different needs for oil temperature machines and water temperature machines. Our professional technical team will provide you with comprehensive technical support and customized solutions to ensure that you obtain the mold temperature control machine that best suits your production process. Choosing Hengde's mold temperature control machines means choosing efficiency, stability, and reliability. Let's work together to help your enterprise reach new heights in production.   Choose Hengde, Choose Perfect Mold Temperature Controller!

In industrial production and many other fields, chillers play a crucial role. They can precisely control the temperature and ensure the stable operation of equipment. However, with a wide variety of chiller manufacturers in the market, how can you make the right choice?   1. Product Quality is the Core A high quality industrial chiller should possess efficient cooling capacity, stable operation performance, and a long service life. This requires manufacturers to select high - quality components during the production process. Key components such as compressors, condensers, and evaporators directly affect the overall performance of the chiller. Checking whether the manufacturer has a complete quality inspection system, with every step from raw material receipt to finished product delivery being strictly controlled, is an important criterion for measuring product quality.   2. Rich Industry Experience is Crucial A manufacturer with many years of industry experience is often more proficient in handling various complex cooling requirements. Through long - term practice, they have accumulated a large amount of technical data and practical cases, and can provide personalized solutions according to the special requirements of different customers. For example, in different industries such as electronic chip manufacturing, chemical reactions, and medical equipment cooling, they have targeted chiller design and application experience.   3. Strong Technical R & D Strength With the continuous progress of science and technology, refrigeration technology is also constantly innovating. Manufacturers with a strong R & D team can keep up with industry trends and continuously introduce more energy - efficient, environmentally friendly, and intelligent chiller products. For instance, developing new refrigerant application technologies to improve cooling efficiency while reducing the impact on the environment; or adopting intelligent control systems to achieve functions such as remote monitoring and fault early warning, which is convenient for users to operate and maintain.   4. Complete After - sales Service System The purchase of a industrial chiller is just the beginning. Subsequent maintenance and technical support are equally important. A responsible manufacturer will provide responsive after - sales service. When the equipment fails, professional technicians can be quickly dispatched for repair, reducing downtime and minimizing the losses of customers. At the same time, regular equipment inspections and maintenance guidance services are also provided to extend the service life of the equipment.     Hengde Company: A Trustworthy Chiller Manufacturer Among numerous chiller manufacturers, Hengde Company stands out. Hengde Company has many years of experience in chiller R & D, production, and sales, and has established a good reputation in the industry. 1. Superior Product Quality: Hengde Company strictly controls the production process and selects components from internationally renowned brands to ensure that each chiller can operate stably and efficiently. Its products have passed a number of international quality certifications and perform outstandingly in terms of cooling effect and stability.   2. Rich Industry Application Experience: Hengde Company's chillers are widely used in multiple industries, such as laser processing, injection molding, and food processing. In response to the special needs of different industries, Hengde Company can provide customized solutions to meet the personalized requirements of customers. Such as die casting chiller, rubber processing chiller, marine chillers and etc.   3. Powerful Technical R & D Team: Hengde Company attaches great importance to technological innovation and continuously increases R & D investment. It has a R & D team composed of senior refrigeration experts and technicians. They are committed to developing new refrigeration technologies and products to enhance the performance and competitiveness of products.   4. Complete After - sales Service: Hengde Company has established a national after - sales service network to provide 24 - hour online support for customers. Whether it is equipment installation and debugging, operation training, or fault repair, Hengde Company's after - sales service team can respond quickly and provide customers with comprehensive service guarantees.     When choosing a chiller manufacturer, comprehensively considering factors such as product quality, industry experience, technical R & D strength, and after - sales service can help you make a wise choice. With its advantages in all aspects, Hengde Company is undoubtedly a reliable partner. If you are troubled by choosing a chiller manufacturer, you may as well learn about Hengde Company. I believe it will bring you a satisfactory answer.   Choose Hengde，Choose Perfect Industrial Chillers！

As a leading enterprise in the field of industrial temperature control, Hengde Company has focused on the research and development, production and sales of mold temperature controllers for many years. With its advanced technology, exquisite craftsmanship and strict quality control, Hengde mold temperature controller has been widely used in many industrial fields such as cast film calendering with precise temperature control, efficient performance and reliable stability, providing a strong guarantee for enterprises to improve product quality and production efficiency.   In the cast film calendering process, the mold temperature controller (commonly called temperature control unit or TCU) plays a vital role in maintaining the precise and constant temperature of the rollers (calender) and other components involved in the process. Cast film calendering mold temperature controller, also known as cast film calendering oil heater or cast film calendering electric heating oil furnace, is a special mold temperature controller for cast film plastic thermoforming. Cast film calendering mold temperature controller is designed for PET cast film, PVC cast film, PP cast film, EVA cast film, multi-layer co-extrusion cast film production line, roller temperature control. It controls the temperature of the mold or roller to ensure that the cast film has a stable temperature environment during the thermoforming process, thereby improving product quality and production efficiency. Proper temperature control is essential to ensure the quality, thickness and surface finish of the cast film.     Role of Mold Temperature Controller in Cast Film Calendering: 1. Temperature Regulation: The mold temperature controller ensures that the calender rollers are maintained at the desired temperature, which is crucial for achieving uniform film thickness and surface properties.It prevents overheating or undercooling, which can lead to defects such as uneven surfaces, poor adhesion, or inconsistent film properties.   2. Material Flow and Cooling: The molten polymer is extruded onto the calender rollers, where it is shaped and cooled. The temperature controller ensures that the rollers are at the optimal temperature to facilitate proper material flow and cooling rates.Controlled cooling prevents warping, shrinkage, or other dimensional instabilities in the final film product.   3. Surface Finish: The temperature of the rollers directly affects the surface finish of the film. A well-controlled temperature ensures a smooth, glossy, or matte finish, depending on the desired product specifications.   Key Features of a Mold Temperature Controller in Calendering: Precision Control: Ability to maintain temperatures within a tight tolerance range (±1°C or better). Heating and Cooling Capabilities: Equipped with both heating and cooling systems to adjust temperatures as needed. Flow Rate Control: Ensures proper circulation of the heat transfer fluid (e.g., water, oil) through the rollers. User Interface: Digital controls and displays for easy monitoring and adjustment of temperature settings. Safety Features: Overheating protection, alarms, and emergency shutdown systems. Temperature range: room temperature to 300°C, meeting the different temperature requirements in the production process of cast film. Temperature control accuracy: pid±1℃, ensuring the accuracy and stability of temperature control. Output selection: contactor/solid-state relay/thyristor, select the appropriate output mode according to production needs. Power selection: 6-360KW (power can be customized) to meet the needs of production lines of different scales.   Applications in Cast Film Calendering: Polymer Films: Used in the production of PVC, PET, PP, PE, and other polymer films. Packaging Materials: For food packaging, industrial films, and laminates. Decorative Films: For surfaces, wallpapers, and automotive interiors.   When a plastic film manufacturer was producing cast polypropylene (CPP) film, the original temperature control equipment was not accurate enough, resulting in uneven film thickness, surface streaks and other quality problems, and a high defective rate. After the company introduced the Hengde mold temperature controller, the mold temperature controller accurately controlled the temperature of the extruder, die head and calender roller. The temperature fluctuation of the extruder barrel was controlled within ±1℃, the temperature deviation of each area of ​​the die head did not exceed ±0.5℃, and the surface temperature uniformity of the calender roller was significantly improved. After a period of production practice, the thickness deviation of the film was reduced from the original ±5% to within ±2%, the surface quality was significantly improved, the defective rate was reduced from 10% to less than 3%, and the market competitiveness of the product was greatly improved.    In summary, the mold temperature controller is a vital component in the cast film calendering process, ensuring precise temperature management for optimal film production. Proper selection and operation of the temperature control system are key to achieving high-quality film products.   Choose Hengde，Choose Perfect Mold Temperature Controller！

Hengde Company, a renowned enterprise with years of in - depth experience in the temperature control equipment field, has developed and produced explosion - proof mold temperature controllers that play a crucial role in multiple industries. These products are backed by advanced technology and reliable quality. Here are some common scenarios where explosion-proof mold temperature controllers are utilized:   Chemical Industry Reaction Kettle Temperature Control: In chemical production, various chemical reactions occur in reaction kettles, involving flammable and explosive chemicals, such as hydrocarbon reactions in petrochemicals and nitration reactions in fine chemicals. Hengde's explosion - proof mold temperature controllers adopt multiple explosion-proof technologies and feature a highly precise temperature control system. They can accurately control the temperature of the reaction kettle, ensuring that the reaction proceeds within a safe temperature range and preventing explosions caused by temperature runaway. In addition, mold temperature controllers are also used in material drying, distillation, and rectification processes in the chemical industry.   Many large - scale chemical enterprises have significantly enhanced production safety and reaction efficiency after adopting Hengde's explosion - proof mold temperature controllers.A large - scale petrochemical enterprise commented: "Since the introduction of Hengde's explosion - proof mold temperature controller, the temperature control accuracy of our reaction kettles has reached an unprecedented level. The potential safety hazards in the production process have been greatly reduced, and both production output and product quality have improved significantly. We truly feel at ease with Hengde's products."   Pharmaceutical Industry Drug Synthesis: Drug synthesis reactions have strict temperature requirements, and some of the chemical raw materials or intermediates used in the synthesis process are flammable and explosive, such as some compounds containing nitro and amino groups. With its in - depth understanding of pharmaceutical processes, Hengde Company's explosion - proof mold temperature controllers can accurately control the temperature, ensuring the smooth progress of the synthesis reaction and production safety. Many well - known pharmaceutical companies have chosen Hengde's products to provide stable and reliable temperature control support for drug research and production.   Rubber Industry Rubber Vulcanization: The rubber vulcanization process requires precise control of temperature and time to ensure the performance of rubber products. The vulcanization workshop contains a large amount of rubber raw materials and additives, some of which are flammable and explosive. Hengde's explosion - proof mold temperature controllers can safely provide the required heat during the vulcanization process, ensuring the vulcanization effect. Many rubber production enterprises have reported that the product defect rate has decreased significantly after using Hengde's explosion - proof mold temperature controllers. A rubber tire manufacturing enterprise feedback: "After using Hengde's explosion - proof mold temperature controller for rubber vulcanization, the product defect rate has dropped from the original 8% to 3%, greatly improving our production efficiency, and the product quality has become more stable." Rubber Mixing: In the rubber mixing process, to evenly disperse various compounding agents in the rubber, the temperature of the mixing equipment needs to be controlled. During the mixing process, potential hazards such as static electricity may occur. Hengde's explosion - proof mold temperature controllers are equipped with professional static elimination devices, which can effectively avoid fire or explosion accidents caused by static electricity and ensure the continuity of production.   New Energy Industry Lithium - ion Battery Production: In the processes of lithium - ion battery anode and cathode material preparation and battery assembly, flammable and explosive organic solvents and chemicals are used. For example, in the production of lithium - ion battery anode materials, Hengde's explosion - proof oil - circulation mold temperature controllers can provide precise temperature control, ensuring that the chemical reactions in the reaction kettles occur at a safe temperature and improving the performance of the anode materials, helping new energy enterprises enhance their product competitiveness.   A new energy battery production enterprise commented: "Hengde's explosion - proof oil - circulation mold temperature controller has been of great help to our lithium - ion battery anode material production. The product performance has been significantly improved, making our products more competitive in the market."   Other Industries Printing and Dyeing Industry: In the processes of dye processing and fabric heating, some dyes and organic solvents are flammable and explosive. Hengde's explosion - proof mold temperature controllers are used to control the temperature, which can improve the dyeing quality and production efficiency while avoiding safety accidents, bringing a more stable production environment to printing and dyeing enterprises.   Electronics Industry: In the production of some electronic products, such as chip manufacturing and circuit board soldering, the processes need to be carried out at specific temperatures, and the production environment may contain flammable and explosive gases or dust. Hengde's explosion - proof mold temperature controllers can provide stable temperature control, ensuring the safety of the production process and product quality, and are favored by many electronic manufacturing enterprises.   Laboratories with Special Requirements: Laboratories such as petrochemical laboratories and explosive research laboratories may handle flammable and explosive samples or conduct related experiments. Hengde's explosion - proof mold temperature controllers can be used to control the temperature of experimental equipment, ensuring the safe progress of experiments and providing safe and reliable temperature control solutions for scientific researchers.   When you are looking for a reliable explosion-proof mold temperature controller, Hengde Company is undoubtedly your best choice. With years of industry experience, advanced technology, reliable quality, and a good reputation among numerous customers, Hengde stands out in the field of explosion-proof mold temperature controllers. Choosing Hengde means choosing safety, efficiency, and quality. Hengde will escort your production and scientific research work.   Choose Hengde，Choose Perfect Mold Temperature Controller!

In the current market environment, with the continuous expansion of the chiller/refrigerator market, numerous small and micro chiller manufacturers have emerged. However, some of these manufacturers are limited by their scale and R & D and production capabilities, resulting in poor overall quality of the chillers they produce. These chillers often fail to meet the actual needs of enterprises, manifested in issues such as insufficient cooling capacity, frequent equipment malfunctions, high maintenance costs, and lack of after - sales support.   For enterprises making their first chiller purchase, it is crucial to clarify their procurement goals and understand the industry situation. They should strive to obtain chillers with high cost - effectiveness at the lowest possible budget. Based on years of experience in serving customers, Hengde offers the following strategies for enterprises in the industry to control chiller procurement costs.   I. Look Beyond Price: Focus on Cost - Effectiveness Cost - effectiveness is also a key consideration in the procurement of industrial equipment. Although price to some extent reflects product quality, a high price does not necessarily mean high value. When enterprises purchase chillers, they need to carefully review the price plans and component configuration lists provided by suppliers. Take the chiller compressor as an example. In addition to paying attention to its configuration and industry ranking, the overall supporting scheme of the entire unit should be comprehensively considered. Even if the compressor has excellent configuration, if inferior materials are used for the water pump and condenser, the overall scheme may seem high - end and expensive, but in actual use, it may still cause many problems. Therefore, enterprises should make professional selections based on their actual needs and pursue the maximum cost - effectiveness.   II. Attach Importance to the Selection of Key Components such as Compressors As the core component of a chiller unit, the compressor's performance directly affects the operation of the unit. Improper selection may lead to problems such as unstable cooling and excessive noise, seriously disrupting enterprise production. Some chiller manufacturers use inferior or refurbished products for key components like compressors to reduce costs. This not only reduces the unit's efficiency but also significantly increases energy consumption. Hengde brand chillers always adhere to the principle of quality first. They use high - quality imported brand compressors such as Bitzer, Panasonic, and Hanbell, and are equipped with electronic control systems from well - known brands like Siemens, ensuring the quality of core components from the source.   III. Customize Procurement Plans Based on the Enterprise's Actual Situation Currently, chillers are developing towards personalization and non - standardization. Enterprises should select chillers based on environmental factors such as climate, temperature, humidity, and dust in the region where they are located. For example, when purchasing in arid regions, local special climate conditions need to be fully considered. In addition, the operating environment is also an important consideration. For chillers operating in a humid environment, products with stainless - steel shells can be preferentially selected; for scenarios with special working medium requirements, evaporators and condensers with anti - corrosion functions should be used. Through customized selection, enterprises can obtain chiller equipment that best meets their needs.   In conclusion, when enterprises purchase chillers, they should comprehensively consider multiple factors such as cost - effectiveness, the quality of core components, regional environment, and usage scenarios. Hengde suggests that enterprises fully compare the plans of different suppliers during the procurement process, make decisions based on their actual situation, and actively communicate with industry experts to obtain the optimal industrial chiller solution.   Choose Hengde, Choose Perfect Chillers!

Mold temperature controller, that is, mold temperature control machine, plays a vital role in the production process of plastic products. It ensures the fluidity and cooling speed of plastic materials during the molding process by accurately adjusting the temperature of the mold, thereby improving the quality and production efficiency of the product. Whether it is injection molding, extrusion or blow molding, mold temperature controllers are widely used in the manufacture of various plastic products, and their application fields are wide and diverse. The following are the application industries of mold temperature controllers for plastic product production:   1. Injection molding: Mold temperature controllers can accurately control the mold temperature and are used for temperature control of various plastic injection molds. In injection molding, the mold temperature controller maintains a constant temperature of the mold to prevent surface defects, shrinkage and deformation of the product, ensure uniform flow and rapid solidification of the plastic in the mold, improve the surface quality of the product, and reduce the scrap rate. In the extrusion and blow molding process, the mold temperature controller also ensures the dimensional stability and surface finish of the product through precise temperature control.   2. Die casting: In the die casting process, the mold temperature controller is used to control the temperature of the die casting mold to ensure that the plastic material can smoothly fill the mold under high pressure. Through precise temperature control, the precision and consistency of die-cast products can be improved.   3. Rubber products: Mold temperature controllers are equally important in the production of rubber products. Such as rubber tires and rollers. They are used to control the temperature of rubber materials during processing to ensure the plasticity and fluidity of rubber. Through mold temperature controllers, the production process of rubber products can be optimized, and product quality and production efficiency can be improved.   4. Chemical reactors: In the production process of some chemical products, the temperature in the reactor needs to be precisely controlled. The mold temperature controller can provide a stable temperature environment to ensure the smooth progress of chemical reactions.   5. Biopharmaceutical field: Although this is not a direct plastic product production, the application of high and low temperature cycle temperature control integrated machine in the field of biopharmaceuticals also demonstrates the wide applicability of temperature control technology. This equipment provides precise temperature control in the process of drug research and development and production, ensuring the quality and output of drugs.   6. PVC sheet roller temperature control: In the production of PVC sheets, mold temperature controllers are used as oil heaters to accurately control the temperature of rollers to ensure the uniformity and quality of PVC sheets.   In general, mold temperature controllers play an irreplaceable role in the production of plastic products. From injection molding, die casting to the production of rubber products, to the chemical and biopharmaceutical fields, they are widely used and important. Through precise temperature control, mold temperature controllers can optimize production processes, improve product quality and production efficiency.   Hengde Electrical Equipment Co., Ltd. (www.hengdechiller.com) has rich experience in the research and development and manufacturing of mold temperature controllers. The high-quality mold temperature controllers it produces have the following advantages: Accurate temperature control: using PID temperature controller, touch storage, automatic calculation, the accuracy can be controlled within ±1℃, and the energy saving effect is significant. Efficient heating system: two sets of electric heating tubes are configured internally, which can be used separately or in combination, with rapid heating and cooling and stable temperature. High-quality material selection: the electric heater is made of stainless steel to ensure the durability and safety of the equipment. Complete safety protection: equipped with comprehensive safety protection and fault indication system to ensure the reliable operation of the equipment.   Choose Hengde, Choose Perfect Mold Temperature Controllers!

When it comes to purchasing an industrial chiller, one of the most important decisions you'll face is whether to go with an air cooled chiller or a water cooled chiller. Both options offer effective cooling solutions, but each comes with its own set of advantages and limitations depending on your specific needs, operational environment, and budget. In this blog, we’ll break down the differences between these two types of chillers and help you determine which one is best suited for your business.   What Are Air Cooled and Water Cooled Chillers? Before diving into the pros and cons, it’s important to understand the basic differences between air cooled and water cooled chillers. Air Cooled Chillers: These chillers use the surrounding air to dissipate heat. The condenser is equipped with fans that blow air through the condenser coils to cool down the refrigerant. Water Cooled Chillers: These units use water to absorb and carry away heat from the refrigerant. A cooling tower, often placed outside the building, circulates water to absorb heat and releases it into the atmosphere.   1. Installation and Space Considerations Air Cooled Chillers are generally easier and quicker to install. Since they rely on air for cooling, there's no need for external cooling towers or additional water treatment systems. This makes them an ideal choice for businesses that may have limited space or those that need a more flexible, less complex installation process. They are perfect for smaller facilities or those located in areas where space is limited. On the other hand, Water Cooled Chillers require additional infrastructure, including a cooling tower and water circulation systems. This means they take up more space and may require more time and cost to install. They are typically used in larger operations or facilities with more space available for the required systems.   2. Energy Efficiency When it comes to energy consumption, Water Cooled Chillers generally perform better in larger applications or facilities that require consistent and reliable cooling. They are more energy-efficient in the long run because they tend to operate at a lower temperature, which can reduce overall energy usage. Water’s higher thermal conductivity allows it to absorb more heat, making these chillers better suited for high-capacity cooling needs. However, Air Cooled Chillers can be a more cost-effective solution for smaller systems or applications with less demanding cooling requirements. While they might consume more energy than their water cooled counterparts under heavy loads, they are typically sufficient for moderate cooling needs and may result in lower initial installation costs.   3. Maintenance and Operation Costs Air Cooled Chillers are generally easier to maintain because they do not have the additional components of a cooling tower or water circulation systems. Maintenance tends to be simpler, with fewer parts to inspect and clean. However, because they rely on outdoor air for cooling, they can accumulate dirt and debris, which might require more frequent cleaning of the condenser coils. Water Cooled Chillers require more regular maintenance, especially for the cooling tower, water pumps, and pipes. Additionally, you need to keep an eye on water quality, as scaling, corrosion, and bacteria growth can develop in the system if not treated properly. While maintenance costs can be higher, the overall lifespan and efficiency of water cooled systems can make them more cost-effective in larger, industrial applications.   4. Environmental Impact and Noise Air Cooled Chillers tend to be more environmentally friendly in terms of water consumption since they don’t rely on large amounts of water for cooling. However, they can generate more noise due to the fans used to circulate air through the condenser. This can be a concern in noise-sensitive areas or in places where sound regulations are strict. Water Cooled Chillers, on the other hand, tend to operate more quietly, but they require a constant supply of water, which can be a concern in regions with water shortages or strict water usage regulations. Moreover, the energy consumption of water cooled chillers can indirectly contribute to environmental impact, especially in regions where electricity comes from non-renewable sources.   5. Best Use Cases Air Cooled Chillers are a great choice for: Small to medium-sized operations. Facilities with limited space or where water use is a concern. Locations where installation speed and simplicity are critical. Situations where quieter operation is less important.   Water Cooled Chillers are ideal for: Large industrial applications or facilities with high cooling demands. Locations with ample water supply and space for cooling towers. Operations looking for long-term energy efficiency and higher cooling capacity. Businesses that require quieter operation and can handle the maintenance demands.   Choose an air cooled chiller if you’re operating in a smaller facility, have limited space, or need a simpler, lower-cost solution. Opt for a water cooled chiller if you need more energy efficiency, have the space for additional infrastructure, and are running a large-scale operation with heavy, continuous cooling requirements. At the end of the day, both types of chillers can provide reliable and efficient cooling solutions—it's all about choosing the one that best aligns with your business needs and operational goals.   Hope this helps guide you in your decision-making process! If you need more details or personalized advice, feel free to contact us at Hengde company for expert recommendations on the best chiller systems for your business.