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One section (the medium) enters the valve and the other section of the valve is for the medium to leave the valve. Like all check valves, spring loaded check valves do not require external control to operate.
We offer PVC spring check valves of different standards (DIN/ANSI/JIS/) in sizes from 20 to 80 mm, with EPDM seals. The normal working temperature of the valve is not more than 45°C and it can work under 150psi pressure.
Uses and features of Spring Check Valve
Protects equipment from backflow damage
Provide pressure relief for system safety
Prevents backflow from causing media contamination
Interrupts flow without human intervention
Powered by flow and differential pressure under spring pressure
Advantages of Spring-loaded check valve
Rapid interruption of flow
Provides positive sealing at pressures below the valve rupture pressure
No need to operate or startup under gravity or backflow pressure
Swing check valves are limited in the direction of installation. Swing check valves can only be installed in horizontal applications, limiting the direction in which swing check valves can be installed. Spring check valves can be installed in any direction of flow. Spring check valves help minimize the water hammer effect, which is exacerbated by swing check valves. Any water hammer effect present in the piping system is likely to be amplified by swing check valves.