NPV Unidirectional Valve Full Flanged, Large Diameter 18″-48″

Features and Benefits

1. Unidirectional valve design provides for full guiding of gate throughout the cycle which prevents any gate distortion even in the event of a back pressure

2. Full guiding of the gate within the valve casting eliminates excessive gate movement, extending the cycle life of the packing gland

3. Unidirectional valve with metal seat meets Class 3 shutoff in liquid service in preferred direction

4. Unidirectional valve with elastomer seat meets bubble-tight shutoff requirements in liquid service in preferred direction

5. All manual valves are equipped with a stainless steel lockout bar. All automated valves are equipped with a stainless steel mechanical lockout and bar

6. NPV Cylinders can be mounted at time of valve assembly, or by design easily retrofitted in the field

7. Valve is manufactured of Stainless Steel components that prevent damage from corrosion, both internal and external

8. Full flanged unidirectional valves are available from 18”- 48” diameter, metal and elastomer seated. Larger diameters available upon request

NOTE: All Unidirectional valves must have pressure behind the gate upon closing for proper sealing