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 safety valve inlet pipe and, the flow cross-sectional area of ??not less than the inlet pipe cross-sectional area of ??the inlet valve. (2) the use of a spring-loaded safety valve with handle spring safety valve threaded connection, to connect with a short pipe with threaded pipe and simplified and short inter-header to be welded connections. A28H spring safety valve Valve Co., Ltd. specializes in the supply Shandong Everbright A28H spring full-Kai valve products for the whole Kai spring safety valve A28H latest pictures and parameters A28H with handle spring safety valve, if you need to know Please telephone contact Valve Co., Ltd. and Shandong Everbright! Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers call to order! 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, welcome new and old customers to order our products! A28H safety valves, safety valves, valve type Everbright Everbright Limited provided by Shandong valve. 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!