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NEWS

  • 06 2019-06

    Installation and maintenance of electric butterfly valve

    1. When installing the valve, clean the valve cavity and sealing surface in advance. No dirt is allowed to attach and affect the sealing performance. Clean the sealing surface and add lubricating oil to the screw rod regularly. 2. Electric...
  • 06 2019-06

    Three major elements of valve selection

    One, consider from the aspect of output force In order to make the regulating valve work normally, the equipped actuator should be able to produce enough output force to overcome all kinds of resistance, to ensure the high sealing and valve...
  • 06 2019-06

    Pneumatic valve in the process of transport attention

    Due to the pneumatic valve in transit, often damage phenomenon, so pay attention to the following points, in order to avoid similar situation again. 1. Both sides of pneumatic valve should be set with lightweight blocking plate. 2. Medium a...
  • 06 2019-06

    Installation and maintenance of electric ball valve

    The installation and maintenance of electric ball valve are mainly as follows: 1. Only by removing the pressure before and after the ball valve can the ball valve be disassembled and decomposed. 2. Bolts must be tightened symmetrically, ste...
  • 06 2019-06

    How to select butterfly valve

    Introduction to butterfly valve: 1, butterfly valve with simple structure, small volume, light weight, material consumption, small installation size, quick switch, 90 reciprocating rotation, small driving torque and other characteristics, u...