Set the safety valve should note the following: (1) there is gas in the container, when the liquid two-phase material safety valve should be installed in the gas phase portion. (2) when the bleed valve for flammable liquids A28H spring safety valve, the outlet valve of the tank should be connected to the accident. When the discharge of the material is a high temperature fuel, its receptacle should be a corresponding protection facilities. (3) general safety valve may be vented, vent should be above the fire place operator 1 meter (m) or more and not towards the 15 meters (m) or less, emitting sparks locations and high-temperature equipment. Indoor equipment, safety containers should lead roof vent and roof above two meters (m) or more. (4) when the inlet valve has cut off valves, isolation valves should be in a normally open safety valve spring, and to be sealed in order to avoid mistakes. Spring safety valve opening, closing operation is medium pressure change and the spring preload to its inlet end of the spool to automatically open and close. When the medium pressure (internal pressure) rises to lift larger than a valve spring preload force in Shandong, the spool against the spring preload automatically open, bleed excess media, internal pressure drop, but also because of spring force, When the internal pressure dropped to a safe value, the valve closes automatically stop the bleed. Safety valve | Shandong valve | Everbright valve (certified merchants) provided by Valve Co., Ltd. Shandong China Everbright. 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!