Suttner ST280 unloader valve for a pressure washer pump. It is the trapped pressure type and will fit a wide range of high pressure pumps. 250 Bar / 3625 PSI @ 30 LPM.
Tecomec VHP70 unloader valve for a high pressure pump. It is the trapped pressure type, has an AISI 303 stainless steel body and will fit a wide range of high pressure pumps. 620 Bar / 8992 PSI @ 80 LPM.
