Step up your pump protection with the CAT Pumps 4SF unloader valve — engineered for high-pressure, high-flow pressure washer systems running up to 3,000 PSI. When the trigger gun closes, the 4SF instantly bypasses flow to safeguard your pump seals and prevent damaging pressure spikes, keeping your equipment in the field longer.
Specifications
Maximum flow: 6 GPM
Maximum pressure: 3,000 PSI
Maximum temperature: 160°F
3/8" MPT inlet and outlet
3/8" FPT bypass port
Designed for CAT Pumps pressure washer systems
Applications
The go-to unloader for professional contractors running CAT pump-equipped pressure washers in commercial cleaning, fleet washing, building wash-downs, and industrial applications. Built to handle the demands of high-cycle operations without missing a beat.
