The general form of the structure into the safety valve spring safety valve and lever valve, pulse valve, where the most common spring-loaded safety valve; press connection into threaded flange valve and relief valve. Valve diameter are generally not large, 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 play a security role in the system. When the system pressure exceeds a predetermined value Weifang valve, safety valve open the valve manufacturer, the system is part of the gas / fluid into the atmosphere / pipe outside A21F threaded valve spring Weiqi, the system pressure does not exceed the allowable value, in order to ensure The system does not cause excessive pressure accident occurred. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Weifang valve | safety valve | valve model provided by Everbright Everbright 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!