Check Settings required 1 introduction of pipe; 2 sealed on the inlet pipe of the water heater or water equipment; 3 on the water pump outlet pipe; 4 share a pipeline in and out of the water tank, water tower, high water section of the pool. Note: a section of pipeline backflow, need not be in check. Check valve type selection should be according to the installation site of the check valve, following the closure of the valve before the water pressure, the sealing performance and closed water hammer caused by factors determine the size, shall meet the following requirements: 1 before valve hydraulic small parts, appropriate chooses swing, ball and spindle type check valve. 2 close airtight performance requirements after tight spot, appropriate chooses close spring check valves. 3 closed water hammer of the undercut area, appropriate chooses sound check quick closing Industrial Valves or slow close check Industrial Valves with damping device. 4 check valve to break off or valve core, should be under the action of gravity and spring force to shut down. The following parts of the water supply pipe should be set exhaust 1 intermittent use of water supply pipe network, the automatic exhaust valve shall be set up and the highest point at the ends of pipe. 2 feed water, have obvious ups and downs accumulation of air pipe section of pipeline network has been set in the peak point of the this automatic valve or valve manually exhaust 3 air pressure water supply equipment, when automatic fill gas pressure tank is used, the the highest point of the water distribution network should be set up automatic exhaust valve.
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