(1) the Industrial Valves in the storage, transport, because sealing components of work pressure to reduce, will cause the screw, nut. Caused leak condition, in order to better prevent and applications try to tighten a screw before

(2) the application of the high temperature liquid such as steam, for sealing components of work pressure decreases, twist the screw also produces slack when it is heated, causing leakage, and thus should be tighten slack screws

(3) banned under pressurized conditions tighten the work, or you will destroy sealing components. Should stay within the piping work pressure returned to normal situation after tighten work

(4) must be tight position, should make its case, to maintain a certain level symmetry structure reinforcement vigor, or it will destroy sealing components, or make a handle to a huge increase in the power switch of the torque.

the pipeline engineering construction, such as frozen jie, sprinkler, immediate measures should be taken to the preventive measures and countermeasures of

after the road project construction, all valves on the pipeline route should be open, and eliminate the residual waste

common problem when installation

1) from the discharge valve discharge pipe, the should return to the atmospheric pressure such as working pressure again after put seven out of the fluid in the pipeline. Especially the application risk liquid pipeline route ( Side effects, birth, death vaporization liquid, etc. ) More should pay attention to the characteristics of the liquid, adopt measures to prevent

line dismantling after the installation, should be moved around the same kind and is a new upgrade of filler, vulcanization rubber sealing components and high pressure valves, and determine each docking position is damage

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