Maintain an outlet valve should be no resistance, to avoid the phenomenon of backpressure valve, if installed drainage tube having an inner diameter greater than the diameter of the outlet valve, safety valve exclude the mouth should be noted that the antifreeze Weifang A40Y-C valve, for containing flammable or toxic, poisonous media Weifang container valve, discharge pipe should be through a safe location outdoors or proper disposal facilities A40Y-C valve, drain pipe allowed the installation of any valve. 2, the newly installed safety valve should be accompanied by a product certificate, to be recalibrated before installation, be sealed and issued the check valve. Operating items found signs of a leak valve should be replaced or serviced. Prohibit the use of increased load (eg adjusting screw on the lever or safety valve lever to add a heavy and so over-tighten the spring-loaded safety valve) methods to eliminate leaks. Regularly check the operation of the valve leaks, jamming and spring rust and other irregularities, and to observe the adjustment screw cover and adjusting ring set screw lock nut is loose, if a problem should promptly take appropriate measures. Weifang A40Y-C valve valve models _ _ China Everbright Limited safety valve provided by Shandong Everbright valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) strong, credible, Shandong Weifang ball industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Everbright valve into the brilliant and you work for a better future!