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This 1 inch pressure vacuum breaker is used to protect against health hazard and non-hazard backsiphonage of toxic or non-toxic liquids in industrial plants
Heavy-duty stainless-steel spring helps ensure flush retraction every time
then open the inlet ball valve the rest of the way
Two-piece construction
5 BAR at 68° F (20° C)
Mid-West Instrument 845-2 (2 Valve Backflow Test Kit) sprinkler This 1 inch pressure vacuumMid West Instrument 845 2 (2 Valve Backflow Test Kit) Functions and Applications: This Model 845 2 (2) valve kit provides the capability for testing all brands of reduced pressure principle, pressure vacuum breaker and double check valve backflow prevention assemblies. RANGE: 0 15 PSID 0 100 KPA Specifications Gauge Type Diaphragm Differential Pressure Dial Size & Range (4 1 2") 0 15 PSID 0 100 KPA Differential Pressure Accuracy . 2 P. S. I. D.
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