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SER600

NPV Series 600 Pneumatic Air Cylinder Features and Benefits 1. All cylinders manufactured by NPV mount directly to our valves eliminating need for an adapter plate. All gates are machined to adapt to manual or automated operation 2. Cylinder barrels are manufactured of a lightweight, high-strength, corrosion-resistant composite material, designed specifically for adverse environments 3. […]

SER700

3″ Transmitter Isolation Valve Features and Benefits 1. For positive isolation of all transmitters to facilitate repair, calibration or replacement. 2. Valve port is precision machined to the transmitter diaphragm dimensions, providing for a most accurate reading 3. Special flange design with offset bolt pattern allows valve to be bolted directly to the tank 4. […]

SER375

HD/MD Reject Chamber Valve Round by Square Flanged Features and Benefits 1. The NPV HD/MD Reject Chamber Valve is designed specifically to handle the wire, staples, glass and sand typically found in recycle paper mill reject systems 2. Cavity free, precision machined, special body casting prevents accumulation of solids and trash which would prohibit the […]

SER400

O-Port Thru Gate Valve for Heavy Slurry and Scaling Applications Features and Benefits 1. NPV O-Port design is generally used in heavy slurry and scaling applications 2. Special Electro Polished gate with machine beveled edge is standard in severe services such as phosphoric acid, green liquor and white liquor applications 3. Precision machining of body […]

SER300

DUCO Scavenger Valve Recycle Mill-Heavy Trash Applications Features and Benefits 1. DUCO Scavenger design removes cavities/pockets thus eliminating problems caused by the accumulation of solids that can prevent proper cycling of the valve 2. Hardened gate, hardened seat cartridge, and hardened back up guide prolong the life of valves in heavy solid and heavy trash […]

SER350

HD/MD Reject Chamber Valve Round by Round Flanged Features and Benefits 1. The NPV HD/MD Reject Chamber Valve is designed specifically to handle the wire, staples, glass and sand typically found in recycle paper mill reject systems 2. Cavity free, precision machined, special body casting prevents accumulation of solids and trash which would prohibit the […]

SER250

DUCO Bidirectional Perimeter Seated Valve with Cone Deflector Features and Benefits 1. Perimeter seating guarantees bi-directional bubble tight shutoff. Cavity free body design prevents de-watering of pulp stock and is ideal in slurries, powders, plastics and other solids handling applications 2. Addition of Cone Deflector protects and extends the integrity of the perimeter seat in […]

SER200

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 […]

SER150

NPV Unidirectional¬†Valve Full Flanged, Large Diameter 18″-48″ Features and Benefits 1. NPV 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 […]

SER100

NPV Series 100 Features and Benefits 1. NPV Unidirectional valve design provides for full guiding of gate throughout the cycle which prevents any gate distortion even in the event of a back 2. Full guiding of the gate within the valve casting eliminates excessive gate movement, extending the cycle life of the packing gland 3. […]