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  • Eagle Eyes China Inspection Company (China): Eagle Eyes (CHINA) Quality Inspection Co.,Ltd. is a professional Third Party China Inspection company, offering...
  • Swing Arc Valve - China

    price: 1600.00 Dollar US$

    FREE-VALVE brand swing arc valves are designed for ash handling system.

    They use a spherical-shape dome and an inflatable-seal to ensure a 100% airtight seal.

    swing arc valve is unique in its ability to open and close with a tight pressure seal in environment where abrasive material are passing.

    Dome valve can achieve operating reliability in severe applications .

    Features 1 - The dome is actuated through a quarter-circle arc via a rotary actuator or linear double-acting cylinder and linkage mechanism.

    2 - Tight sealing performance as Inflatable seal self-compensates for wear as the valve is used.

    The inflatable seal provides continuous wear compensation.

    3 - The inflatable-seal is only inflated when the valve is fully closed.

    This avoids shearing or jamming of particles between the seal and dome, and hence increases system reliability.

    4 - Quick-exhaust valves are used to ensure rapid opening and closing of the valve.

    5 - During operation, the valve provides a full-bore and unrestricted flow of material, which does not impact on the dome.

    This prolong service life of the valve.

    Also, the valve is “self-cleaning”.

    6 - Easy to maintenance and replacement, what you should do is change the inflatable-seal.

    7 - Different valve body materials are optional depending on customer need.

    Technical Specification:

    1) Size Range: NPS4~NPS16, DN50~DN400

    2) Pressure Range: Class 150 /PN6 /PN10

    3) Applicable Temperature: 0~80℃

    4) Connection Type: Flange 5) Sealing material: Inflatable seats /Hard seats 6) Pressure test: GB/T13927, API598

    7) Face to Face: GB/T12221, ASME B16.10

    8) Valve body : GB/T12224, ASME B16.34

    9)Operating Type: Pneumatic

    Application: FREE-VALVE brand Pneumatic swing arc valves are suitable for abrasive material with abrasive particles, such as power plants, ash, mineral processing, food industry, biomass, steel industry, material handling, pharmacy etc .


    Company Contact:


    • Phone: 86-371-55019379

    • Address: No.76 Cuizhu Road, High-Tech Development Zone, Zhengzhou City, Henan, China , Zhengzhou , Henan , China

    • Email: Email


    Published date: February 27, 2024

    • Business Description: Zhengzhou Free Fluid Control Technology Co.,Ltd is leading designer and supplier of high-quality industrial valves, for industries ranging from Coal Washing Plant ,Power Plant ,Alumina Refinery, Steel Plant,Petro-Chemical, WasteWater,Potable Water among others for global markets.

      We provide comprehensive “Fluid Control Solutions” for customers.

      Our Products:

      - Pneumatic Ceramic Rotating Gate Valve

      - Inflatable Seat Dome Valve

      - Stainless Steel Ceramic Lined Ball Valve

      - Pneumatic Full Ceramic Lined Double Disc Gate Valve

      - Stainless Steel Ceramic Lined Butterfly Valve

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