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One Piece Aluminum Butterfly Valve with Stainless Steel Disc

One Piece Aluminum Butterfly Valve with Stainless Steel Disc

Part Number 4-480-3501
Used on 125/150# Flange
Material Aluminum
Seal White Buna
Size 4"
Optional Pkg/Box Qty 5
Weight Lb 7.2500


  • Butterfly valves are commonly used on dry bulk tankers to control the flow of product; designed to be placed between 2 ASME/ANSI 125 or 150 lb. flanges.


  • Handles are high strength 713 aluminum, with a retrogressive re-aging process which creates as stronger handle than the cast iron handle which are commonly used in the industry.
  • Stainless discs are standard for superior wear resistance
  • Flange gaskets are not required; the valves elastomer seat also doubles as the flange gasket.


  • Aluminum body with stainless steel disc
  • Polymer bushings
  • FDA approved Buna-N (Nitrile) seals and seats,-20
  • Stainless steel spring, stem and locking lever pin
  • Aluminum handle and throttling plate


  • Handle kits are sold separately, choose aluminum or iron
  • Replacement disc s and seals are available




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