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The Rain Bird XCZLF100PRF is an Unassembled kit that includes a 1" Low Flow in-line valve, a 1" to 3/4" reducing bushing and a 3/4" pressure regulating filter.
This complete kit includes a 1"Low Flow Valve, the only valve on the market that can effectively handle low flows (below 3 gpm (0,19 l/s)) without weeping. Also included are a reducing bushing, a 3/4" pressure regulating filter and instructions.
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.