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Butterfly Valves

butterfly valve is a valve used for flow regulation in large pipe diameters in which the disc takes the form of a disk. Operation is similar to that of a ball valve. A plate or disc is positioned in the center of the pipe. The disc has a rod passing through it that is connected to an actuator on the outside of the valve. Rotating the actuator turns the disc either parallel or perpendicular to the flow. Unlike a ball valve, the disc is always present within the flow, therefore a pressure drop is always induced in the flow, regardless of valve position.

What are the Advantages of Butterfly Valves?

  • Can Transfer Mud with Negligible Fluid Deposit
  • Good Seal at Low Pressure
  • Require Less Structural Assistance
  • Lighter Than a Ball Valve
  • Reliable and Affordable
  • Very Precise

BVL Lug Body Butterfly Valve

BVL Lug Body Butterfly Valve

  • Available in Buna-N (standard), EPDM, and Viton® Configurations
  • Fully-Lined Elastomer Seat Provides Complete Isolation of the Process Media
  • 2” Through 24” Body Sizes Available in Class 150 Ratings 
  • Lug Body Design Includes ISO 5211 Mounting Pad for Manual & Automated Operators
  • Threaded Lug Through Holes Allow Valve to be Easily Bolted
  • Elastomer U-Cup Seal Packing Glad Provides Superior Leakage Protection
  • Tested and Inspected to Meet Strict ISO 9001 System Standards

 BVW Wafer Body Butterfly Valve

  • Available in Buna-N (standard), EPDM, and Viton® Configurations
  • Fully-Lined Elastomer Seat Provides Complete Isolation of the Process Media
  • 2” Through 24” Body Sizes Available in Class 150 Ratings 
  • Wafer Body Design Includes ISO 5211 Mounting Pad for Manual & Automated Operators
  • Internal Support Hardware (Discs, braces, and brackets) are Manufactured of Corrosion-Resistant Stainless Steel
  • Fiber-Reinforced Plastic Shaft Bushing Provides Superior Leakage Protection
  • Tested and Inspected to Meet Strict ISO 9001 System Standards

Complete Engineering Data

For complete engineering data, please download our Butterfly Valves brochure at the following links:

U.S. Valve offers different kinds of butterfly valves. Contact us today to learn more!

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