NPV Knotter Rejects/Sand Cleaner Valve Features and Benefits 1. The Series 365 is designed specifically for handling knotter rejects and sand cleaners where high abrasion resistance and bubble-tight shutoff is a necessity 2. Gate, seat cartridge & gate guides are 420 Stainless Steel, heat treated and hardened (RC60) to withstand the highly abrasive media 3. […]
NPV BIDIRECTIONAL VALVE, MODIFIED FOR HEAVY STOCK FEATURES AND BENEFITS 1. The Series 175 is a modified version of the Series 100 and or 150 2. Modifications include: -Additional lugs are welded into the body between the 4 & 8 o’clock positions to better hold the gate in place during cycling of valve -Additional machining […]
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. […]
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 diaphram 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. […]
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 body castings prevent accumulation of solids and trash which would prohibit the valve from […]
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. Electropolished gate with beveled edge port prevent buildup and allow for breaking through green and white liquor scaling 3. Precision machining of body halves and close tolerances to […]
DUCO Scavenger Valve – Recycle Mill/Heavy Trash Applications Features and Benefits 1. DUCO Scavenger design removes cavities/pockets thus eliminating problems caused from accumulation of solids that can prevent proper cycling of valve 2. Hardened gate, hardened seat cartridge, and hardened back up guide prolong life of valves in heavy solid and heavy trash applications 3. […]
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. Precision machined body castings prevent accumulation of solids and trash which would prohibit the valve from fully […]
DUCO Bidirectional Perimeter Seated Valve with Cone Deflector Features and Benefits 1. Addition of Cone Deflector protects and extends the integrity of the perimeter seat in heavy solids, slurries and abrasive applications 2. Depending on abrasiveness of the application we offer two options. A 317SS cone which is machined into the body, for low to […]
DUCO Bidirectional Perimeter Seated Full Port Cavity Free Design Features and Benefits 1. Perimeter seating guarantees bidirectional 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 dewatering of pulp stock and is ideal […]
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 […]
NPV UNIDIRECTIONAL VALVE 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. […]
