Duck mouth the installation of the pneumatic valve (3)

straight aerodynamic lift check valve should be installed in a horizontal pipe, vertical lift check pneumatic valve and hand movement valve is usually installed on the vertical lines on the road, the media a bottom-up process.
swing check limit, inappropriate position of the installation of the pneumatic valve is generally installed in a horizontal line, but can also be used in vertical pipe or tilt control on the path of installation.
check pneumatic valve should pay special attention to the medium flow direction, to make full use of the normal flow direction of the media and on the pneumatic direction arrow on valve body, or it will cut off the normal flow of the medium. The bottom spirit to move valve should be installed in the bottom of the pump suction pipe.
check pneumatic valve is closed, the water hammer pressure in pipeline could lead to serious pneumatic valves, piping or equipment damage, is big pipe or high pressure pipes, in particular, this should be the cause of those who use pneumatic valve attaches great importance to. Straight aerodynamic lift check valve should be installed in a horizontal pipe, vertical lift check pneumatic valve and hand movement valve is usually installed on the vertical lines on the road, the media a bottom-up process.
duck mouth the advantages and disadvantages of pneumatic valve
advantages: low cost, the duck mouth pneumatic valve, such as proper rubber than metal pneumatic valve, easy installation, flexible installation, can repair more material used in the life.
faults: rubber body field operation does not apply to spill over a long period of time, with high quality rubber aging unable to avoid.
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