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- NPV - Model SER200 - Bidirectional ...
NPV - Model SER200 -Bidirectional Valve
Perimeter seating guarantees bi-directional bubble tight shutoff. Elastomer seat is mechanically retained between body halves preventing movement or separation from the body, unlike standard o-ring seated valves. Full port cavity free body design prevents de-watering of pulp stock and is ideal in slurries, powders, plastics and other solids handling applications.
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- Precision machined body halves serve as scrapper blades, which extend the life of the packing system
- Two-piece body design simplifies repair/replacement of gate, packing, seat ring and topworks assembly
- Non-rinse stem design eliminates potential safety hazard caused by rising stem valves and performs better in high vibration areas
- All NPV/DUCO Valve body castings are of 317SS (CG8M)
- All external valve components-stanchions, bolting, bridge, stem, clevis, packing follower – are stainless steel construction which eliminates external corrosion
- Precision machining of the stuffing box and the live-loaded packing in conjunction with an additional Viton O-ring provides for a very dependable and adjustable packing system
- Two piece body design allows for option to use the standard perimeter seat or replaceable cartridge seats depending on requirements of application