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Ball Valve In The Use Or Installation Period May Occur Within The Leakage

Ningbo Fenfa Valve Co.,Ltd | Updated: Jun 22, 2017

  Ball valve in the use or installation period may occur within the leakage, due to frequent use of the switch, or not as required installation and other reasons, resulting in the ball valve can not work properly.

  The daily maintenance method of the ball valve

  1. must first identify the ball valve,Ball valve the downstream pipeline has been unloading pressure, in order to disassemble the decomposition operation.

  2. Disassembly and reassembly must be careful to prevent the damaged parts of the sealing surface, especially non-metallic parts, remove the O-ring should use special tools.

  3. Assembling the bolts on the ball valve flange must be symmetrical, step by step, evenly tightened.

  4. Ball valve non-metallic parts should be immediately removed from the cleaning agent, not a long time soaking.

  5. After cleaning to be washed wall cleaning agent volatile (can be used without cleaning detergent cloth) for assembly, but not for a long time to shelve, otherwise it will rust, dust pollution.

  6. New parts of the ball valve before the assembly also need to be cleaned.

  7. Use grease to lubricate.Ball valve Grease should be compatible with ball valve metal materials, rubber parts, plastic parts and working medium. When the working medium is a gas, use special gas such as special 221. Apply a thin layer of grease to the surface of the seal mounting groove, apply a thin layer of grease to the rubber seal, apply a thin layer of grease to the sealing surface and friction surface of the valve stem.

  8. Ball valve assembly should not allow metal debris, fiber, grease (except for the provisions of the use of) dust and other impurities,Ball valve foreign bodies and other pollution, adhesion or stay on the surface of the parts or into the cavity.

Ningbo Fenfa Valve Co.,Ltd