Boiler safety valve is an important safety accessories pressure vessels and other equipment under pressure. Safety valve (also known as pressure relief valve) is based on the pressure relief valve to automatically open and close the system operating pressure (temperature), usually installed in equipment pipeline protection system security or closed system. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Displacement Theory: equal flow path cross-sectional area and flow area valve ideal nozzle displacement calculation. Displacement factor: the actual and theoretical displacement displacement ratio. Rated discharge coefficient: discharge coefficient and reduce the coefficient (0.9) of the product. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production valve manufacturers, welcomed the new and old customers to order our products! The general form of the structure into the safety valve spring safety valve and lever valve, pulse valve Shandong valve, where the most common spring-loaded safety valve; press connection into threaded flange valve and relief valve. Generally not large diameter valve spring Weiqi A21H threaded valve, commonly used in DN15mm-DN80mm among more than 150mm are generally known as large diameter valve. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Valve valve manufacturers _ _ Everbright Everbright valve manufacturer provided by Valve Co., Ltd., Shandong. Valve Co., Ltd. Shandong China Everbright (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!