Application of Shanghai Fengshen Fluid Controllers in Cold Chain and Refrigeration
A wide range of Shanghai Fengshen fluid controllers are extensively applied across the entire cold chain spectrum, including refrigerated transport, cold storage warehousing, and processing operations. They are designed to meet the industry's core requirements for low-temperature stability, precise temperature control, and leak prevention. By accurately controlling fluid pressure and flow, they ensure efficient operation of cold chain systems, safeguarding the freshness and safety of goods.
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Core products and their applications are as follows:
1. Pressure Controllers
Suitable for managing pressure in cold chain refrigeration systems, with core applications:
• Refrigerated Transport: Monitor the high and low pressure in the refrigeration systems of refrigerated trucks and containers. Automatically cut off compressor power upon detecting out-of-range conditions to prevent equipment damage and maintain stable temperature during transit.
• Cold Storage Warehousing: Maintain stable pressure in cold storage refrigeration units. Designed for low-temperature operation, they prevent pressure fluctuations that can impact cooling efficiency, ensuring consistent temperature within the storage facility.
2. Flow Switches
Applied in cold chain refrigerant and water circulation systems, serving key roles:
• Refrigerant Circulation Monitoring: Monitor refrigerant flow. They trigger corrective action when deviations exceed setpoints, adapting to the requirements of refrigerated transport and cold storage to ensure effective cooling performance.
• Water Circulation Protection: Monitor coolant water flow velocity to prevent dry running or insufficient heat exchange. Suitable for cold storage refrigeration units, they help ensure long-term equipment operation.
3. Solenoid Valves (SV, NSV Series)
Control the on/off flow of refrigerant in cold chain systems, suitable for low-temperature conditions:
• Refrigerated Transport: Control the opening and closing of refrigerant lines to achieve precise temperature management. Waterproof and vibration-resistant, they are designed for the bumps of transportation and low-temperature environments.
• Cold Storage Control: Work in conjunction with refrigeration units to control refrigerant flow. Specific models can prevent condensate backflow, helping to avoid equipment malfunctions.
4. Differential Pressure Controllers
Suitable for monitoring oil pressure and water circuit differential pressure in cold chain refrigeration systems, with core applications:
• Compressor Oil Pressure Protection: Monitor lubricating oil pressure, featuring a low-pressure delay shutdown to prevent compressor wear. Designed for the demands of continuous low-temperature operation in cold chain applications.
• Water Circuit Pressure Stabilization: Stabilize the water system differential pressure in cold storage facilities, maintaining a constant flow rate. This enhances heat exchange efficiency and contributes to energy savings.
5. Condensing Pressure Regulating Valves & Temperature/Water Flow Regulating Valves
Facilitate precise regulation of temperature and pressure in cold chain systems, ensuring operational stability:
• Condensing Pressure Regulating Valve: Regulates the condensing pressure of the refrigeration system, adapting to outdoor high and low-temperature variations to ensure stable cooling for both transport and storage.
• Temperature/Water Flow Regulating Valve: Precisely controls the water temperature and flow rate in the refrigeration system. This improves cooling efficiency and helps maintain the freshness of goods throughout the cold chain.
6. Thermostatic Expansion Valves & Liquid Injection Valves
As core refrigeration components for the cold chain, they regulate refrigerant flow to precisely control chilling and freezing temperatures. Designed for the low-temperature, high-vibration conditions typical of cold chain logistics, they enhance system energy efficiency and prevent refrigerant waste.
7. Overall Application Advantages and Scenario Coverage
Fengshen controllers for the cold chain are characterized by their low-temperature endurance, vibration resistance, and corrosion resistance, making them suitable for the complex conditions of transport vibrations and cold storage environments. They are widely used in scenarios such as refrigerated trucks, containers, various types of cold storage facilities, and cold chain processing workshops. Covering core functions like temperature control, pressure/flow monitoring, and equipment protection, they contribute to the stable and efficient operation of cold chain systems, ensuring the safety of goods throughout the supply chain.
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