Boleimu Valves

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Double Offset High Performance Wafer Type Butterfly Valve

Short Description:

  • Nominal Size: NPS 2"~NPS 60"
  • Pressure Class: ANSI Class 150-300LB, JIS 10K, 20K
  • Operating Temperature: -40℃~+180℃
  • Design Standard: API 609
  • End Connection: Wafer
  • Operation: Handwheel, Worm Gear, Pneumatic Piston, Electric, Hydraulic Actuator
  • Body / Bonnet Material: WCB, CF8/CF8M, LCB/LCC, A890 4A, A890 5A, A890 6A and Monel
  • Test Standard: API 598
  • Product Detail

    Product Tags

    Product Description

    1. Double Eccentric High Performance Wafer Type Butterfly Valve adopts double eccentric structure, thin wafer type clamped and fixed by pipeline flanges on both sides.

    2. Disc separates from seat quickly at the instant of opening, reducing sealing surface friction and wear and extending service life.

    3. Metal to metal or metal soft combined sealing optional, covering wider temperature and pressure range.

    4. Suitable for water, steam and compressed air media, available for single end installation removal and maintenance.

    Features & Benefits

    1. Double eccentric design reduces sealing surface friction, longer service life than concentric butterfly valve.

    2. Thin wafer type with short face to face dimension to save installation space.

    3. Sealing type can be switched between metal seal and composite soft seal according to working conditions.

    4. Higher temperature and pressure capability than ordinary concentric butterfly valve.

    5. Moderate operating torque compatible with various automated actuators.

    6. Suitable for process media such as water, steam and compressed air, for frequent on off and modulating service.


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