Internal by-pass unloaders, these unloaders feature a bolt on design with internal by-pass system. Adjustable pressure releases pressue in pump head when in by-pass, protecting from over preassuriation. Eliminates by-pass hose and fittings. Built-in ch
4/B - RC, XT & XM Series Unloader Valve
| Model | Max PSI | Max GPM | Inlet | Outlet | Size | Pump Series | By-Pass | Injector |
|---|---|---|---|---|---|---|---|---|
| AR20888 | 2600 | 0 | 1/2" F | 3/8" M | 1.8 | RC, XT, XM | Aluminum | Fixed |
| AR21037 | 2600 | 42038 | 1/2" F | 3/8" M | 2 | RC, XT, XM | Brass | Fixed |
| AR21038 | 2600 | 42067 | 1/2" F | 3/8" M | 2.2 | RC, XT, XM | Brass | Fixed |
4/B - RC, XT & XM Series Unloader Valve
| Model | Max PSI | Max GPM | Inlet | Outlet | Size | Pump Series | By-Pass | Injector |
|---|---|---|---|---|---|---|---|---|
| AR20890 | 2600 | 42038 | 1/2" F | 3/8" M | 2 | RC, XT, XM | Aluminum | Adjustable |
| AR21039 | 2600 | 42038 | 1/2" F | 3/8" M | 2 | RC, XT, XM | Brass | Adjustable |
| AR21040 | 2600 | 42067 | 1/2" F | 3/8" M | 2.2 | RC, XT, XM | Brass | Adjustable |
RR Series Unloader Valve
| Model | Max PSI | Max GPM | Inlet | Outlet | Size | Pump Series | By-Pass | Injector |
|---|---|---|---|---|---|---|---|---|
| AR24669 | 3600 | 5.5 | 3/8" F | 3/8" M | - | RR | - | - |
RR, XM, & RK Series Unloader Valve and By-Pass
| Model | Max PSI | Max GPM | Inlet | Outlet | Size | Pump Series | By-Pass | Injector |
|---|---|---|---|---|---|---|---|---|
| AR22206 | 4000 | 5 | 1/2” M | 3/8”M NPT | 2 | RR, XM, RK | Brass | Fixed |
RR, XM, & RK Series Unloader Valve and By-Pass
| Model | Max PSI | Max GPM | Inlet | Outlet | Size | Pump Series | By-Pass | Injector |
|---|---|---|---|---|---|---|---|---|
| AR22287 | 4000 | 5 | 1/2” F | 3/8” M | 2 | RR, XM, RK | Brass | Adjustable |
XW Series Unloader Valve and By-Pass
| Model | Max PSI | Max GPM | Inlet | Outlet | Size | Pump Series | By-Pass | Injector |
|---|---|---|---|---|---|---|---|---|
| AR20759 | 3650 | 9 | 3/4" F | 3/8" M | 3 | XW | Brass | Fixed |
