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    Double Ball Air Valve

    DNDN50—DN200
    Nominal pressure (MPa): PN1.0—1.6Mpa
    Medium: Fresh water, sewage, sea water, weak acid,weak base etc
    Temperature: -20℃—120℃
    Body material: cast iron, ductile iron
    Flange connection: DIN PN10.PN16, ANSI150,BS4504


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    Tel: +86-18539246853
    Fax: +86-371-55883235
    E-mail: [email protected]
    Address: ZhengZhou,HeNan,China.

      Air valves are applied on the water pipelines and the equipment to exclude the gas In pipelines, it enhances the efficiency of water transport and protects pipelines from

      transformation and break. When the pipeline is under negative pressure, this valve will solution air automatically to prevent the pipeline breaking. This valve has a big gas

      displacement for double air vents, it owns maintenance valve, close it when repaired then it can be on-line. 

       

      Features:

      1.Can eliminate the gas in the pipe, reduce drag and save energy.

      2.When the pipe is under pressure, the product can automatically inhale air to prevent the pipe from bursting

      3.Floating ball is stainless steel, long service life, safe and reliable.

      Operation of pipeline system, when the pipeline internal pressure or temperature changes and dissolved in the water of the air is released, air valves will be the timely discharge, prevent pipeline in formation of gas and affect the operation of the pipeline system.

      Applied projects:

      Water conservancy construction

      Exhaust valves are used in the independent heating system, central heating system, heating boiler, central air conditioning, floor heating and solar heating system. Because usually have certain air dissolved in water, and air solubility with the rising of temperature decreases, the water in the process of cycle gas gradually separated from the water, and gradually come together to form a big bubble column, even because there is water, so often have gases.

       

      Parameter:

      Double Ball Air Valve

      DN D D1 D2 L b H f Z-d
      50 165 125 99 468 20 388 3 4-19
      60 175 135 118 468 20 388 3 4-19
      65 185 145 118 468 20 388 3 4-19
      80 200 160 132 468 22 388 3 8-19
      100 220 180 156 555 24 472 3 8-19
      125 250 210 184 555 26 472 3 8-19
      150 285 240 211 742 26 550 3 8-23
      200 340 295 266 850 30 620 3

      12-23

       

      Double Ball Air Valve

      Name

      DOUBLEAIR AIR VALVE

      Size

      DN50-DN200

      Pressure

      PN10/PN16

      Applicable Standards

      Face to face dimensionacc

      To BS4504/EN1092-2

      Flange

      RF flange

      Maximum working pressure

      16bar(1.6mpa)

      Maximum working temperature

      -10—80℃

      Body

      cast iron/ductile iron

      Bonnet

      cast iron/ductile iron

      Bolt

      SS304

      Nut

      SS304

      Gasket

      NBR/EPDM

      Ball

      Parameters

      Zimbabwe LPG Project

      Main products:

      API valves and fittings

      Client feedback:

      We received the goods in good condition. They are so nice keep it up.

      Project pictures:

      [gallery size="full" ids="1912,1911,1909"]

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      Inquiry

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