CHECK VALVES - SPRING LOADED, HIGH PSI Pacific Bay Equipment Sale! from $24.00 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. CHECK VALVES - SPRING LOADED, HIGH PSIHolds pump prime without overloading pump suction. PSI: 1200 Max Temperature: 250°F Cracking Pressure PSI: 1 Machined-Brass Body Stainless Steel Springs Poppet Seal Ranges by thread size If you need help finding the correct size give us a call!