- used to: prevents water from flowing backwards out of the jet pump and well piping back into the well when the jet pump stops operating.
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material: Body in brass.
Plate in stainless steel.
Washer in NBR.
Spring in stainless steel. - inlet thread type: female threaded insert
- application: cold and hot water -20°C, 100°C.
- certification: threads: ISO228 (equivalent to DIN EN ISO 228 and BS EN ISO 228).
- pressure rating:
- filtration degree: 3/8” through 2”: 1200μm; from 2”1/2 to 4”: 2000μm.
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