Selection principles 1, steam boiler safety valve, generally used in open entire Kai spring safety valve 0490 series; 2, a liquid medium with a safety valve valve wholesale, generally used Weiqi safety valve spring 0485 series; 3, air or other gaseous medium with valve valve type, generally used the entire Kai spring safety valve; 4, LPG tankers or liquefied petroleum gas tanker railroad safety valve valve manufacturers, generally used all Kai built safety valve; 5, export production wells Safety valve, generally used in the pilot valve; Valve Co., Ltd. Shandong China Everbright leader in the valve industry has been committed to the field of valves to provide you with the latest knowledge, best service, the best technical adviser. If you have any questions, you can call us, we will try our best to provide you with quality services. We aspire to be the world's leading manufacturer of valves. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Double spring-loaded safety valve scope of urban construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage, and environmental protection. The main parts material description A38Y, A43H, A34H type in addition to the three-way valve (made of WCB), the remaining parts of the material were and A47H, A48Y same type spring-loaded safety valve This valve is suitable for operating temperatures of steam ≤350 ℃, equipment and pipeline water and other media. As overpressure protection device, according to the standard connection flange JB / T79-94 series. Valve, Shandong Everbright valves, valve brand Ltd provided by Shandong Everbright valve. Shandong Everbright Valve Co., Ltd. (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!