The operating philosophy: sincere, to the letter, innovation, refinement management strategy: people-oriented A28H valve, fine quality management principles: do, we should do our best brand objectives: to build national industry brand, world brand, century-old brand, Shandong, China Everbright valve Ltd. specializes in producing safety valve manufacturer with handle spring safety valve, welcome new and old customers to order our products! Faults and eliminate open when the pressure is not specified. Valve Co., Ltd. Shandong Everbright tell you A28H with handle spring safety valve, the cause of this situation is the constant pressure allowed. Or should readjust the position of the hammer spring compression; valves and valve seat stick. Should regularly deflate valve for manual or drain test; leveraged safety valve is stuck or hammer lever is moved. Should readjust the position of the hammer and lever moves freely. Import and export pipeline safety valve (1) and the boiler or pressure vessel safety valve between the connecting pipe and fittings through-hole, and its cross-sectional area of ??not less than the cross-sectional area of ??the valve imported; if you share a few safety valve inlet pipe, the import and the cross-sectional flow area of ??the pipe is not less than the cross-sectional area of ??the inlet valve. (2) the use of a spring-loaded safety valve threaded connection, to connect with a short pipe with threaded pipe and simplified and short inter-header to be welded connections. Safety valve springs with handles | safety valve | valve model provided by Everbright Everbright Valve Co., Ltd., Shandong. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) is a specialist in the "valve" of the company. Since its inception, we adhere to the "good faith, sound management" approach, the courage to participate in healthy competition in the market, so that the "Everbright" brand has a good reputation. We adhere to the "service first, customers first" principle, so that the valve Everbright won the trust of customers in the congregation ball, and establish a good corporate image. Special Note: This information is for reference pictures and information, please contact us to obtain the most accurate information, thank you!