Safety valves and boiler drum, between the tanks - like shutoff valve shall be installed, or access to steam extraction pipe. Between the valve and the pressure vessel - like not installed shutoff valve or other extraction tube; for costumes toxicity level is extremely high, high, moderate hazardous, flammable, corrosive, viscous medium or precious media pressure vessel, through the use of pressure vessel technology unit heads responsible for approval, and to develop reliable preventive measures before between the valve and the pressure vessel fitted with a shutoff valve. During normal operation of the valve type pressure vessels, shut-off valve must be kept fully open, add seals or locks. As of structure and path valves, safety relief valve shall be without prejudice to the. Safety valve inlet and outlet piping (1) connecting pipe and fittings through-hole valve brand safety valve and the boiler or pressure vessel between the cross-sectional area of ??not less than the cross-sectional area of ??the valve imported; if a few safety valve inlet conduit share a time and, flow area is not less than the inlet pipe cross-sectional area of ??the inlet valve. (2) using a spring-loaded safety valve screwed to the short tube connected to the threaded high temperature and pressure valves, while the short pipe and simplified, philatelic box to use welded connections. The operating philosophy: sincere, to the letter, innovation, refinement management strategy: people-oriented, fine management quality: do, we should do our best brand objectives: to build national industry brands, world brand, a hundred years brand Valve Co., Ltd. Shandong Everbright professional production valve manufacturers, welcomed the new and old customers to order our products! Valve type, valve, safety valve A28H Everbright (view) Ltd. by Shandong Everbright valve. "Valve" preferred Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com), the company is located: Cravens District Weifang City, Shandong Province, Bao Tong Street North Makers Industrial Park, over the years, the group valves to provide customers with the best quality service, contact People: Manager Ma. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Everbright valve expect to be your long-term partner!