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Nil-Cor® Polysulfone Resin Ball Valve, Flanged Ball Valve, Glass Fiber Reinforced, Sizes 1-4 (410 Series)

Nil-Cor® Polysulfone Resin Ball Valve, Flanged Ball Valve, Glass Fiber Reinforced (410 Series) features a one-piece body, eliminating the leak path inherent in a body joint. These non-threaded ball valves are for corrosive chemical service used in construction of pressurized piping systems.

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Product Features & Benefits

  • ONE-PIECE BODY: The one-piece valve body is made of a solid construction of glass fiber and polysulfone resin.
  • FDA APPROVED: The polysulfone resin is approved by the FDA for food contact.
  • DURABLE AND LIGHT WEIGHT: Excellent alternative to high alloy valves. Nil-Cor ball valves are 50% - 80% lower cost and 1/3 the weight. Saves money on piping supports and makes Nil-Cor ball valves ideal for use on plastic and FRP flanged piping systems.
  • CORROSION RESISTANT, SAFE AND RELIABLE: All Nil-Cor ball valves feature lightweight, corrosion resistant bodies, no wetted metallic components and a lock-out as standard equipment.
  • UNIQUE COLOR CODING: All valves have unique color coding for easy field identification.
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Technical Details

Materials of Construction

  • Body: Solid construction of fiberglass and polysulfone resin. 
  • Gland: Hastelloy-C with integral locking plate. 
  • Stem: Hastelloy-C metal insert with molded fiberglass/polysulfone composite on all wetted surfaces.    
  • Gland Bolts: Hastelloy-C 
  • Stem Packing: Chevron style PTFE. 
  • Thrust Washer: Glass and carbon-filled PTFE.  
  • Insert: Solid construction of fiberglass and polysulfone resin. 
  • Seals: PTFE-coated FKM elastomer O-ring. 
  • Ball: Solid construction of fiberglass and polysulfone resin.  
  • Seats: Self-Relieving Virgin PTFE.  Glass-filled and CavityFiller seats available. 
  • Operators: Composite (1”-4”).  All handles have locking provision. Gears available on all sizes.    

Size Range

  • Available in sizes 1” TO 4” (ANSI B16.5 Class 150 Flange Drilling; DIN10 PN10, PN16 and JIS 10K)
  • Valve face to face dimensions meet ANSI B16.10

Service Temperature

  • (-)50°F to 300°F
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Pressure Rating

  • to pressures of 275 PSIG


  • Oil Refinery
  • Power Industry
  • Paper and Pulp
  • Chemical
  • Mining
  • Water and Wastewater
  • Hydrogen
  • Natural Gas Distribution
  • Lithium
  • Steel Processing
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This resource is intended as a guideline to be used with all available information to determine suitability of material selection. We suggest thorough research which should include known applications when determining material. The information contained herein is provided only as a guide for the use of ANDRONACO INDUSTRIES products.

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