150LB WCB Wafer Triple Eccentric Butterfly Valve

A 150LB WCB Wafer Triple Eccentric Butterfly Valve is an industrial valve designed for reliable flow control and shut-off in various applications, such as water, oil, gas, and chemical processing.

Offset Mechanism: The shaft is offset from the centerline of the pipe (first offset). The shaft is offset from the centerline of the disc (second offset). The sealing surface’s conical axis is offset from the shaft axis (third offset), creating an elliptical sealing profile. This reduces friction between the disc and seat, minimizing wear and ensuring tight sealing.

  • Size: 2”-24”/DN50-DN600
  • Pressure Rating: ASME 150LB-600LB, PN16-63
  • Warranty: 18 Month
  • Brand Name: ZFA Valve
  • Service: OEM
  • Product Detail

    Product Detail

    Size & Pressure Rating & Standard
    Size DN50-DN600
    Pressure Rating ASME 150LB-600LB, PN16-63
    Face to Face STD API 609, ISO 5752
    Connection STD ASME B16.5
    Upper Flange STD ISO 5211
       
    Material
    Body Carbon Steel(WCB A216), Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529)
    Disc Carbon Steel(WCB A216),  Stainless Steel(SS304/SS316/SS304L/SS316L) , Duplex Stainless Steel(2507/1.4529)
    Stem/Shaft SS416, SS431, SS304, SS316, Duplex Stainless Steel, Monel
    Seat 2Cr13, STL
    Packing Flexible Graphite, Fluoroplastics
    Actuator Hand Lever, Gear Box, Electric Actuator, Pneumatic Actuator

     

    Product Display

    WCB wafer three offset butterfly valves-zfa
    wafer triple eccentric butterfly valves-zfa
    150lb wafer three offset butterfly valves-zfa

    Product Advantage

    Zero Leakage: The triple eccentric design ensures bubble-tight shut-off, ideal for critical applications requiring no leakage, such as gas or chemical processing.
    Low Friction and Wear: The offset geometry minimizes contact between the disc and seat during operation, reducing wear and extending valve life.
    Compact and Lightweight: The wafer design requires less space and weight compared to flanged or lug valves, making it easier to install in tight spaces.
    Cost-Effective: Wafer-style valves are generally less expensive than other connection types due to their simpler construction and reduced material use.
    High Durability: Made from WCB (cast carbon steel), the valve offers excellent mechanical strength and resistance to corrosion and high temperatures (up to +427°C with metal seats).
    Versatile Applications: Suitable for a wide range of media, including water, oil, gas, steam, and chemicals, across industries like oil and gas, power, and water treatment.
    Low Torque Operation: The triple eccentric design reduces the torque needed to operate the valve, allowing for smaller, more cost-effective actuators.
    Fire-Safe Design: Often compliant with API 607 or API 6FA, making it suitable for fire-prone environments like petrochemical plants.
    High-Temperature/Pressure Capability: Metal-to-metal seats handle high temperatures and pressures, unlike soft-seated valves, enhancing reliability in demanding conditions.
    Ease of Maintenance: The reduced wear on sealing surfaces and robust construction result in lower maintenance needs and longer intervals between servicing.

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