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ZHEJIANG J-VALVES FLUID EQUIPMENT CO., LTD
Address : No.1188, Yongding Rd, Yongqiang Hi-tech Park, Wenzhou,Zhejiang, P.R. China 325024
Tel:  + 0086.577.56692520 
       +86 13600648865
Fax: +0086 577 56692524
Email: sales@trunnionvalve.com

FAQ

  • Q How to choose a trunnion ball valve or a floating ball valve

    A
    1. Floating ball valve
              The ball of the ball valve is floating. Under the action of the medium pressure, the ball can produce a certain displacement and press tightly on the sealing surface of the outlet end to ensure that the outlet end is sealed. The floating ball valve has a simple structure and good sealing performance, but the load of the sphere bearing the working medium is all transmitted to the outlet sealing ring, so it is necessary to consider whether the sealing ring material can withstand the working load of the sphere medium. This structure is widely used in medium and low pressure ball valves.
    2. Trunnion mounted ball valve
             The ball of the ball valve is trunnioned and does not move when pressed. All trunnion ball valves are equipped with a floating valve seat. After being pressured by the medium, the valve seat moves to make the sealing ring tightly press on the ball to ensure sealing. Bearings are usually installed on the upper and lower shafts of the sphere, and the operating torque is small, which is suitable for high pressure and large diameter valves.

  • Q Trunnion Mounted Ball Valve Necessary conditions for inquiry

    A
    1. Need to provide trunnion ball valve size
    2. Need to provide trunnion ball valve connection
    3. Need to provide the nominal pressure of the trunnion ball valve
    4. The body material of the trunnion ball valve needs to be provided
    5. Need to provide trunnion ball valve sealing style
    6. Need to provide trunnion ball valve operation mode
    The more comprehensive the information provided, the faster we will give a quotation.

  • Q Trunnion Mounted Ball Valve Scope of application

    A It is used to cut off or connect the medium in the pipeline. Different materials are used. It can be used to transport water, steam, oil, nitric acid, acetic acid, oxidizing media, urea, etc., and is widely used in petroleum refining and long-distance pipelines. , Chemical, paper, pharmaceutical, water conservancy, power, municipal, steel and other fields

  • Q Trunnion Mounted Ball Valve specifications

    A
    Applicable pressure: Class150～Class2500, PN16～PN420, JIS 10K～JIS 63K
    Applicable temperature: -196～350℃,
    Applicable size: 2"~56"
    Applied standard: API 6D, API 608, DIN 3357, EN 13709, BS 5351, JIS 2071

  • Q Trunnion Mounted Ball Valve the main materials

    A The main materials are: carbon steel, alloy steel, stainless steel, cast iron, titanium alloy, Monel alloy, bronze, aluminum alloy, lead alloy, high temperature steel, low temperature steel

  • Q Trunnion Mounted ball valve operation mode selection

    A
    1. Pneumatic operation
    2. Electric operation
    3. Hydraulic operation
    4. Pneumatic and hydraulic operation
    5. Electro-hydraulic operation
    6. Gear operation
    7. Handle operation

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