PN25 Brass Spring Check Valve
Brass body, EPDM seat, female thread to ISO 228
Material and construction
Body: forged brass (CW617N) acc. EN 12165
Holder: brass (CW614N) acc. EN 12164
Spindle: brass (CW614N) acc. EN 12164
Sealing: EPDM
Spring: stainless steel (AlSl 302)
Connections: female thread acc. ISO228
Operating data
Max. operating pressure: PN 25
Opening pressure: appr. 0,02 bar
Max. temperature: 100˚C (no steam, depending on pressure)
Field of application Check valves can be used in central heating systems, HVAC and chilled water systems, where the flow of medium in just one direction is required.
Check valves are axially tracked by a spindle and a spring returns the valve to closed position.
Sealings are designed for high and low pressure.
The arrow on the body has to align with the direction of the flow.
Attention! It is not suitable for use with piston compressors (because of pulsing tension).
Thanks to the improving of the structure and of the shutter seat, the check valve has low pressure drops and is noise free.
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