5100psi Rated Pressure (5650psi Max Allowable)

✅ 1-Year Limited Warranty

Gas engine mounting flange (4 to 8hp)

Use the optional ST-61 metering valve for accurate soap flow adjustment

*Notes for choosing correct model

Suttner ST-230 Regulator and Safety Relief Valve 3600psi colour_white 5100psi Rated Pressure (5650psi MaxSuttner ST230 regulator and safety relief valve protects your power washer pump from pressure spikes. Maximum Rated Pressure: 3600psi Rated Flow: 8. 0gpm Rated Temperature 200F Inlet Outlet Bypass: 1 4" NPT Does Not Replace the Unloader Valve. These safety valves are for use as a backup to an unloader or main relief in an open system without a trigger operated spray gun.