Bolt on Unloaders

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

VRC-B - RC Series Unloader Valve

VRC-B - RC Series Unloader Valve

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR23506 2600 4 3/8" F NPT 3/8" M NPT - RC - Adjustable
AR23504 2600 4 3/8" F NPT 3/8" M NPT - RC - -
AR23505 2600 4 3/8" F NPT 3/8" M NPT - RC - Fixed
Mini-Matic

Mini-Matic

4/B - RC, XT & XM Series Unloader Valve

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20821 2600 42040 1/2" F 3/8" M - RC, XT, XM Aluminum -
AR21036 2600 42040 1/2" F 3/8" M - RC, XT, XM Brass -
Mini-Matic w/ Fixed Injector

Mini-Matic w/ Fixed Injector

4/B - RC, XT & XM Series Unloader Valve

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20888 2600 42038 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
Mini-Matic w/ Adjustable Injector

Mini-Matic w/ Adjustable Injector

4/B - RC, XT & XM Series Unloader Valve

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR21039 2600 42038 1/2" F 3/8" M 2 RC, XT, XM Brass Adjustable
AR20890 2600 42038 1/2" F 3/8" M 2 RC, XT, XM Aluminum Adjustable
AR21040 2600 42067 1/2" F 3/8" M 2.2 RC, XT, XM Brass Adjustable
VRZ

VRZ

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 - -
VRZ w/ Fixed Injector

VRZ w/ Fixed Injector

RR Series Unloader Valve

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR24591 3600 4 3/8" F 3/8" M 2 RR - Fixed
AR24670 3600 5.5 3/8" F 3/8" M 2.2 RR - Fixed
VRZ w/ Adjustable Injector

VRZ w/ Adjustable Injector

RR Series Unloader Valve

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR24671 3600 4 3/8" F 3/8" M 2 RR - Adjustable
AR24672 3600 5.5 3/8" F 3/8" M 2.2 RR - Adjustable
Gymatic 3/B

Gymatic 3/B

RR, XM & RK Series Unloader Valve and By-Pass

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20242 3650 0 1/2” F 3/8” M - RR, XM, RK Brass -
AR20242G 3650 0 GHT & Filter 3/8” M - RR, XM, RK Brass -
AR20480 3650 0 1/2” M NPT 3/8” M NPT - RR, XM, RK Brass -
Gymatic 3/B w/ Fixed Injector

Gymatic 3/B w/ Fixed Injector

RR, XM & RK Series Unloader Valve and By-Pass

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20082 3650 0 1/2” M 3/8” M 2 RR, XM, RK Brass Fixed
AR20081 3650 0 1/2” M 3/8” M 1.8 RR, XM, RK Brass Fixed
Gymatic 3/B w/ Adjustable Injector

Gymatic 3/B w/ Adjustable Injector

RR, XM & RK Series Unloader Valve and By-Pass

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20400 3650 0 1/2” F 3/8” M 2 RR, XM, RK Brass Adjustable
AR20399 3650 0 1/2” M 3/8” M 1.8 RR, XM, RK Brass Adjustable
Gymatic VR35 3/B

Gymatic VR35 3/B

RR, XM, & RK Series Unloader Valve and By-Pass

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20992 4000 5 1/2” F 3/8” M - RR, XM, RK Brass -
AR21669 4000 5 1/2” M 3/8”M NPT - RR, XM, RK Brass -
Gymatic VR35 3/B w/ Fixed Injector

Gymatic VR35 3/B w/ Fixed Injector

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
Gymatic VR35 3/B w/ Adjustable Injector

Gymatic VR35 3/B w/ Adjustable Injector

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
Gymatic XW

Gymatic XW

XW Series Unloader Valve and By-Pass

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20802 3650 9 3/4” F 3/8" M - XW Brass -
AR20758 3650 9 1/2” F 3/8" M - XW Brass -
Gymatic XW w/ Fixed Injector

Gymatic XW w/ Fixed Injector

XW Series Unloader Valve and By-Pass

Model Max PSI Max GPM Inlet Outlet Size Pump Series By-Pass Injector
AR20759 3650 9 1/2” F 3/8" M 3 XW Brass Fixed