Check construction, installation, points of pneumatic valve (1)

check pneumatic valve construction and installation point
) , installation position and height, must conform to the requirements for the design of the inlet and outlet direction, pay attention to the medium flow direction should be the direction of arrow pneumatic valve, connection should be firmly connected.
) , when installing a visual inspection must be conducted before the pneumatic valve, pneumatic valve plate should be consistent with existing national standards 'symbol of general pneumatic valve' the rules of the GB. Pressure is greater than for the job. MPa more, on the role of ZhuGanGuan close the pneumatic valve, before installation should be the strength of the performance testing and strict, qualified rear must use. For strength test, the test pressure. Times the rated pressure, duration of not less than min, pneumatic valve housing, the packing should be no leakage as qualified. Leak test. Times of the rated pressure test; During the test in accordance with the provisions of the GB.
) Do not check the pipeline pneumatic valve under a pneumatic valve ( Aetv one-way pneumatic valve) Weight: should support independence, so that the effect of the pressure piping. Keywords:
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