Safety valve is a valve family special branch A21F threaded valve spring Weiqi, its specificity is because unlike other valve safety valve for only acts as a switch, more importantly protect the safety equipment . With the rapid development of China's economic construction safety valve in the project with a pressure control device works more and more. Valve Co., Ltd. specializes in producing Shandong Everbright Weifang valve safety valve manufacturer, welcome new and old customers to order our products! Boiler safety valve is an important safety accessories pressure vessels and other equipment under pressure. Safety valve (also known as pressure relief valve) is automatically open and close depending on the pressure system working pressure (temperature), usually installed in equipment pipeline protection system security or closed system. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Weiqi threaded valve springs, valve, valve type Everbright Everbright Limited provided by Shandong 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!