VALVE, CHECK SS 1/4" FXF Pacific Bay Equipment Sale! 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. Stainless Steel Check ValvesHolds pump prime without overloading pump suction. PSI: 6500 Rated PSI: 5800 Temperature: 195°F 1/4" Female x Female Weight: 2.0 oz. Flow rate: 6.1