Freon expansion valve alarm fixed safety monitoring of expansion valves in refrigeration systems - SKA/FLA-BJQ
• Detected gas: Freon (refrigerant, R22/R134a/R410A optional)
• Measuring range: 0～1000ppm
• Resolution: 1ppm
• Alarm point: 500ppm (customizable)
• Accuracy: ±3%FS
• Response time: T90 ≤30s
• Zero drift: ≤±2%FS/year
Product Introduction
Freon expansion valve alarm fixed safety monitoring of expansion valves in refrigeration systems - Product Overview
A Freon expansion valve alarm is an online gas detection device used for fixed safety monitoring of expansion valves in refrigeration systems. Search keywords: Freon expansion valve alarm, fixed safety monitoring of expansion valves in refrigeration systems, Freon alarm. The alarm is fixedly installed in the expansion valve area and can continuously detect Freon concentration. When the concentration exceeds the set threshold, it emits audible and visual alarms, and can optionally be equipped with relay output to link with exhaust ventilation or shut off refrigeration equipment. In fixed safety monitoring of expansion valves in refrigeration systems, the Freon expansion valve alarm can reflect on-site gas risks in real time and help staff respond promptly.
Freon expansion valve alarm fixed safety monitoring of expansion valves in refrigeration systems - Working Principle
Freon expansion valve alarms usually use semiconductor sensors or infrared sensors to output electrical signals by detecting Freon concentration and calculate gas concentration. In fixed safety monitoring of expansion valves in refrigeration systems, Freon expansion valve alarms convert detection signals into 4-20mA, RS485, or Modbus outputs, which can be connected to PLC, DCS, and gas alarm control systems. The alarm is fixedly installed near the expansion valve or on a wall and has moisture-proof and explosion-proof functions, with protection ratings up to IP65 or IP66.
Freon expansion valve alarm fixed safety monitoring of expansion valves in refrigeration systems - Application Scenarios
Freon expansion valve alarms are widely used in expansion valves, evaporator inlets, liquid distributors, and pipeline connection areas of refrigeration systems. In fixed safety monitoring of expansion valves in refrigeration systems, Freon expansion valve alarms can be fixedly installed near expansion valves, pipeline connections, and personnel inspection routes. The alarm can be linked with exhaust fans, shut-off valves, and fire protection systems to achieve automatic handling. For large refrigeration systems, Freon expansion valve alarms can also form a multi-point monitoring network and upload data uniformly to the control room.
Freon expansion valve alarm fixed safety monitoring of expansion valves in refrigeration systems - Technical Advantages
Freon expansion valve alarms offer advantages such as fast response, good stability, and strong anti-interference capability. In fixed safety monitoring of expansion valves in refrigeration systems, Freon expansion valve alarms use industrial-grade sensors and explosion-proof housings, making them suitable for long-term operation. The alarm supports audible and visual alarms, remote output, and fault self-diagnosis, and is easy to maintain. When selecting a Freon expansion valve alarm, attention should be paid to detection range, accuracy, response time, explosion-proof rating, and output signal to ensure it meets the fixed safety monitoring requirements of expansion valves in refrigeration systems.
Main Application Areas
- Refrigeration Systems — Fixed safety monitoring of expansion valves to detect Freon leaks and prevent refrigerant loss.
- Cold Storage Rooms — Continuous Freon detection in cold storage facilities to ensure personnel safety and product integrity.
- Industrial HVAC — Monitoring refrigerant leaks in large-scale HVAC systems to maintain operational efficiency and safety.
- Food Processing Plants — Freon leak detection in refrigeration units used for food preservation and processing.
- Chemical and Pharmaceutical Storage — Safety monitoring of refrigerant gases in temperature-controlled storage environments.
Keywords：freon alarm, expansion valve alarm, refrigerant leak detector, freon gas detector, refrigeration safety alarm, R22 leak detector, R134a alarm, R410A detector
