One Piece Aluminum Butterfly Valve with Iron Disc

One Piece Aluminum Butterfly Valve with Iron Disc

Part Number 4-480-1500
Used on 125/150# Flange
Material Aluminum
Seal Black Buna
Size 4"
Weight Lb 6.2800


  • Butterfly valves are commonly used on dry bulk tankers to control the flow of product


  • 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.
  • Iron 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 iron disc
  • Polymer bushings
  • FDA approved Buna-N (Nitrile) seals and seats,-20°F to 275°F (-29° to 135°C)
  • Stainless steel spring, stem and locking lever pin
  • Aluminum handle and throttling plate


  • Handle kits are sold separately, choose aluminum or iron
  • Replacement discs and seats are available

Safety notes




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