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Product Category：SAFETY VALVE
Product Name：FMQH series Switching safety valve /changeover valve(with chain)
Product Tag：switching safety valve,changeover valve
Update Date：2021/9/1 10:40:56
The safety switching device consists of a switching valve and two safety valves. The safety valve can be replaced or repaired, and the safety valve can be checked without stopping the operation of the equipment, and the double-switching valve group linkage control can be adopted as required.
Pressure level: Class150~600, PN16~PN100
Applicable medium: gas, liquid, steam
Temperature range: -196°C~570°C
◆ Three-way flow path design, one station is equipped with two identical safety valves, one of which is online for overpressure protection, and the other is used as a backup for maintenance.
◆ Fast switching without device shutdown, providing continuous overpressure protection, avoiding the costly loss caused by emergency shutdown and maintenance.
◆ The flow resistance is small to ensure that the safety valve has sufficient discharge capacity.
◆ The operation of the reversing system is safe, simple and fast.
◆ Below each safety valve, a relief valve is installed to safely and effectively discharge the medium before the safety valve to be disassembled.
◆ For high-pound class (≥600 lb), the quick-switching device is equipped with a balance valve, so the operation is light and convenient.
◆ Wide applicable temperature range (low temperature to high temperature).
◆ The seal is reliable, and it still maintains good airtightness even after repeated actions.
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