PRODUCT FEATURES General Pump safety relief valve with barb. Adjustable pressure rating from 1000-6000 PSI. Please choose thread size from drop down list. Reviews FEATURED PRODUCTS General Pump GP 12" Hose Reel - Model DHRA50300 $293.60 Add to Cart Giant Pressure Safety Relief Valve $13.83 Choose Options General Pump Thermal Relief Valve $16.35 Choose Options General Pump GP Stack Kit $90.63 Add to Cart