Professional Industrial Valves Manufacturer

Lift check valve installation and maintenance

by:Mech     2020-05-29
Lift check valve installation and maintenance of 1, the valve must be blocked on both ends of the channel, in dry and ventilated indoor. If long-term storage, should often check the rust protection. 2, before installing the Industrial Valves should be cleaned, and eliminate the defects caused by/in transit. 3, the installation must be carefully check the valve on the mark and nameplate is in line with the use requirement. 4, vertical elevating disc check valve should be installed in vertical pipe runs. Level 5, elevating disc check valve should be installed in horizontal pipe runs. 6, do not make the check valve in the line to bear weight, large check valve shall be independent support, make it not influenced by the pressure caused by the piping. 7, install the check valve, should pay special attention to flow direction of medium, should make medium and normal flow direction of arrow on valve body direction is consistent, otherwise it will be truncated normal flow of the medium. Bottom valve should be installed at the bottom of the pump suction pipe. 8, the general formula lift check valve should be installed in horizontal pipe road, vertical lift check valve and bottom valve is generally installed in a vertical tube road, and the medium flows from bottom to top. 9, the check valve is closed, will be in the middle water hammer pressure tube, will lead to serious damage to valves and piping or equipment, especially for big or high pressure pipe lines, reason should be the height of the check valve selection is attention.
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