DUCO Bidirectional Perimeter Seated Full Port Cavity Free Design

Features and Benefits

1. Perimeter seating guarantees bi-directional bubble tight shutoff

2. Elastomer seat is mechanically retained between body halves preventing movement or separation from the body, unlike standard o-ring seated valves

3. Full port cavity free body design prevents de-watering of pulp stock and is ideal in slurries, powders, plastics and other solids handling applications

4. Precision machined body halves serve as scrapper blades, which extend the life of the packing system

5. Two-piece body design simplifies repair/replacement of gate, packing, seat ring and topworks assembly

6. Non-rise stem design eliminates potential safety hazard caused by rising stem valves and performs better in high vibration areas

7. All NPV/DUCO Valve body castings are of 317SS (CG8M)

8. All external valve components­stanchions, bolting, bridge, stem, clevis, packing follower- are stainless steel construction which eliminates external corrosion

9. Precision machining of the stuffing box with the live-loaded packing in conjunction with an additional Viton


All Pulp Stock Applications, Cement Powder and Waste Treatment Slurries, Lime Slurry, Fly Ash, Powders, Solids, Cement Powder and Waste Treatment Slurries, Refined Black Liquor, Black Liquor & Stock, Refiners for Paper Machines


Animal Food Processing, Cement, Mining, Plastics, Power, Pulp & Paper, Water & Waste Water