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
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