3250 Series Back Pressure Check Valves are designed for use in liquid, gas or vapor service for such items as bulk storage tanks where flow is desired in only one direction. The 3250 Series has female NPT connections on the inlet side and female NPT connections on the outlet side. These valves can also be used as a vacuum breaker or low-pressure relief device.
*Basic options Carbon Steel Bodies, Stainless Internal. Other Materials are available. Available by different Pressure Classes. All dimensions are listed in inches. Dimensions shown are for standard design. Valves are custom-engineered and dimensions provided above are for reference only. Dimensions are subject to change without notice.