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RPZValveprice

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RPZvalvehow it works

Relief Valve Complete Internals Repair Kit, 8" and 10" used with RK8-375RVCI. Kit Contains O-Ring, Upper Plunger, Upper Plunger, Diaphragm, Lower Plunger, Seal Ring, Seal Retainer, Washer, Bolt, Relief Valve Spring, Relief Valve Seat, O-Ring, Relief Valve Seat, and O-Ring, Relief Valve.

Difference between RPZ and backflow preventer

Complete Relief Valve Repair Kit, 8" and 10" used with RK8-375. Kit Contains O-Ring, Upper Plunger, Diaphragm, Seal Ring, Relief Valve Spring, O-Ring, Relief Valve Seat, and O-Ring, Relief Valve.

The 375 Reduced Pressure Principle Backflow Assembly is utilized where a potential high health hazard exists and is ideal for use when lead-free valves are required protecting against both backsiphonage and backpressure of contaminated water into the potable water supply. The 375 includes an epoxy-coated inside and out ductile iron valve body eliminating exposure to corrosion. With multiple options for NRS, OS&Y, and Butterfly shut-off valves, the 375 utilizes the Zurn Wilkins low headloss Compound Check and offers the lowest lifecycle costs on the market.

RPZvalvefor sprinkler system

The spill-resistant type vacuum breaker (SVB) is essentially a next-generation PVB. This assembly evolved because of the spillage encountered with the PVB. The function of the SVB is to eliminate the water spillage of the PVB.

Relief Valve Cover Repair Kit 8" and 10" used with RK8-RV-COVER. Kit contains Bolt, Cover (x6), Cover, and Sensing Tube Fitting.

The pressure vacuum breaker requires that both the check valve and air inlet act independently, but the components of the SVB are not required to be independent of each other. During operation (flow), the diaphragm at the bottom of the valve chamber allows the poppet to close before the internal check valve opens, preventing most of the spillage that normally occurs with a PVB. In this way, the air inlet can be closed as the check is closed again, eliminating the spill (see Figure 603.3.6).

603.3.6 Spill-Resistant Pressure Vacuum Breaker (SVB). A pressure-type vacuum breaker backflow prevention assembly consists of one check valve force-loaded closed and an air inlet vent valve force-loaded open to atmosphere, positioned downstream of the check valve, and located between and including two tightly closing shutoff valves and test cocks.