Conventional safety valve for securing additional back pressure of the occasion, when the opening pressure adjustment after test (in this case the back pressure is atmospheric pressure) stainless steel valve types, setting its value should be the required opening pressure minus additional backpressure value. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Corporate culture is the soul of wholesale stainless steel valves, is an inexhaustible motive force to promote enterprise development stainless steel valves, its core is the essence and values. Valve drive force auxiliary device by means of a power assist device, in the case where the opening pressure of the safety valve opens forcibly than normal. This safety valve for opening pressure is very close to the working pressure of the occasion Weifang stainless steel valves, or need to be checked periodically opening the relief valve or blow adhesion, medium frozen occasion. It also provides a means to force open the safety valve in case of emergency. Closed high pressure safety valve spring inching inching valve opening height is less than 1/4 the diameter of the flow channel is usually a runner diameter of 1/40 1/20. Action process inching valve is proportional action type, mainly for liquid occasions, sometimes for a small gas emissions occasion. Shandong Everbright Valve Co., Ltd. specializing in the production valve manufacturers, welcomed the new and old customers to order our products! Shandong Everbright valves, Weifang stainless steel valves, stainless steel valves, Ltd. by Shandong Everbright valve. Shandong Everbright Valve Co., Ltd. (www.sdgdfm.com) is a professional "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, customer first" principle, so that the valve Everbright won the trust of all the customers in the ball valve, and establish a good corporate image. Special Note: This information is for reference only pictures and information, please contact us to obtain the most accurate information, thank you!