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Silent check valves
Description
1. Silent check valves is a valves which is used especially for eliminating water hammer, when the pump stopped, when the flow rate in a forwards direction of silent check valves is approach to zero, the silient check valves will close ahead of time by using the spring's auxiliary force to avoid the water hammer and eliminated the noise finally.
2. Silent check valves can be installed horizontally or vertically .
3. The disc of silent check valves used the spring loaded, which makes the valves' rapid closing to eliminate the water hammer, there is a good sealing performance, no closing noise.
4. Silent check valves have the characteristics of small volume, light weight, small flow resistance, long long longevity.
valves materials of construction
Body Materials: Cast Iron, Ductile Iron
Sealing ring Materials: NBR
Spring Materials: Inconel 750, stainless steel
Applicable standard
Size Range: 2''~24''(DN50~DN600)
Pressure: PN10, PN16,Class 150, JIS 10K
Standard : ANSI, DIN, JIS
End Connection: flange
Operate: Automatic