CF8 Wafer High Performance Butterfly Valve with Support

made from ASTM A351 CF8 stainless steel (equivalent to 304 stainless steel), is designed for efficient flow control in demanding industrial applications. Suitable for air, water, oil, mild acids, hydrocarbons, and other media compatible with CF8 and seat materials. Used in industries like water treatment, chemical processing, HVAC, oil and gas, and food and beverage. Not suitable for end-of-line service or pipeline pigging.


  • Size: 2”-72”/DN50-DN1800
  • Pressure Rating: Class125B/Class150B/Class250B
  • Warranty: 18 Month
  • Brand Name: ZFA Valve
  • Service: OEM
  • Product Detail

    Product Detail

    Size & Pressure Rating & Standard
    Size DN40-DN1800
    Pressure Rating Class125B,Class150B,Class250B
    Face to Face STD AWWA C504
    Connection STD ANSI/AWWA A21.11/C111 Flanged ANSI Class 125
    Upper Flange STD ISO 5211
       
    Material
    Body Carbon Steel, Stainless steel
    Disc Carbon Steel,Stainless Steel
    Stem/Shaft SS416, SS431,SS
    Seat Stainless steel with welding
    Bushing PTFE,Bronze
    O Ring NBR, EPDM
    Actuator Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator

    Product Display

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    high performance butterfly valve 4inch WCB

    Product Advantage

    High performance (Double-Offset /Eccentric) Design: The shaft is offset from the disc centerline and pipe centerline, reducing seat wear and friction during operation. This ensures a tight seal, minimizes leakage, and enhances longevity.

    Sealing: Equipped with resilient seats, typically RPTFE (reinforced Teflon) for enhanced temperature resistance (up to ~200°C) or EPDM/NBR for general applications. Some models offer replaceable seats for easy maintenance.

    Bi-Directional Sealing: Provides reliable sealing under full pressure in both flow directions, ideal for preventing backflow.

    High Flow Capacity: The streamlined disc design ensures large flow capacity with low pressure drop, optimizing fluid control.

    Actuator Support: Worm gear, pneumatic or electric actuators are commonly supported, ensuring precise control. Electric models maintain position on power loss, while spring-return pneumatic models fail closed.

    AWWA C504 Double Offset Butterfly Valve

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