Pneumatic ball valve installation considerations

, installed in front of the pneumatic valve (1) the ball to line before and after prepared. Before and after the pipe shall be concentric, two flange sealing surface should be parallel. Pipe should be able to withstand the weight of the pneumatic valve, ball or piping must be equipped with appropriate support.
2 sweep blow the pipeline before and after pneumatic valve, oil, remove the pipe welding slag, and all other impurities.
(3) check the pneumatic ball valve symbol identify pneumatic ball valve is in good condition. The pneumatic valve fully open full closed several times to confirm they work.
(4) to remove the ball on the other side of pneumatic valve protection on the connecting flange.
5] check pneumatic valve hole clearance may some dirt, and then wash the pneumatic valve hole. Between pneumatic valve seat and the ball even if only a tiny grain of foreign body may also damage the pneumatic valve seat sealing surface.
and start to install pneumatic ball valve
(1) the pneumatic valve is installed on the pipeline. Any end of the pneumatic valve can be installed at the upstream end. Pneumatic valve can be installed in the tube driven by the handle on any position. But with gear box or pneumatic actuator pneumatic ball valve should be installed upright, is installed in a horizontal pipe, and drive in the pipeline.
2 pneumatic valve between flange and pipe flange gasket fitted according to the requirements of pipeline design.
(3) on the flange bolts shall be symmetrical, successive, evenly tighten.
(4) connect pneumatic pipeline ( Using pneumatic drive) 。
pneumatic valve, ball check
1) after the installation operating drive pneumatic valve opening and closing the ball several times, should be no sluggish acerbity, confirmed that they work.
2 according to the requirements of pipeline design of pipeline between the pneumatic ball valve and the flange joint surface of the sealing performance.