High Performance Cast Steel 150 lb Wafer Butterfly Valve

Product # 331507.750

Overview

High performance butterfly valves are designed to be double offset. When operating, the offset disc produces a cam-like action, pulling and pushing the disc to and from the seat. This cam-like action reduces seat wear and operating torque and provides bi-directional, zero leakage shutoff throughout the full pressure range. High performance BFV are available in soft, metal & fire-safe seat designs and used in systems that need higher pressure flow control.

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Product Attributes

  • Valve Type Butterfly
  • Version High Performance
  • Body Type Wafer
  • Specification Type ASME
  • Pressure Rating 150 lb
  • Body Material Cast Steel
  • Body Material Spec ASTM A216 WCB
  • Disc Material Stainless Steel
  • Disc Material Spec CF8M
  • Specification API 609

Technical Specifications

  • Size (in) 8
  • Operator Type Gear
  • Bolt Circle Diameter (in) 11.75
  • Center to Top of Stem (in) 9.63
  • Face to Face (in) 2.50
  • Flange Diameter (in) 10.38
  • Number of Bolt Holes 2
  • Size of Bolt Holes (in) 0.81
  • Approx Weight (lbs) 47

Documents

Document Name File Size
Butterfly Valve - Cast Steel, Wafer 331507 Drawing.pdf 633.24 KB
Butterfly Valve Catalog.pdf 190.17 KB

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Dimensional and specification information shown here represents common industrial & commercial standards. Actual dimensions may vary by manufacturer, please contact your local W&O office for specific information.

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