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The Rain Bird XCZ075PRF is a 3/4" pre-assembled kit with Low Flow in-line valve and Pressure Regulating Filter.
This compact, factory assembled two-piece kit combines the 3/4" Low Flow Valve with the 3/4" Pressure Regulating Filter to save installation time. The Low Flow Valve is the only valve on the market that can effectively handle low flows (below 3 gpm (0,19 l/s)) without weeping. The Pressure Regulating Filter is a 200 mesh (75 micron) manual filter that includes a 30 psi (2,1 bars) pressure regulator.
Pressure Loss Chart
In order to supply 30 psi (2,1 bars) outlet pressure, additional pressure is needed at the inlet since there is some pressure loss from water flowing through the kit. The amount of pressure loss depends on the flowrate. The charts below list the minimum inlet pressure required to supply 30 psi (2,1 bars) of outlet pressure.