Shandong valve | safety valve | valve model provided by Everbright Everbright Valve Co., Ltd., Shandong. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) is specialized in the "valve" of the enterprise, the company of "honesty, hard service" concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Manager Ma. Double spring safety valve scope of construction, chemical industry, metallurgy, petroleum, pharmaceutical, food, beverage, and environmental protection. The main parts of the material described A38Y, A43H, A34H type in addition to the three-way valve (material for WCB), the remaining parts of the material were and A47H, A48Y same type spring-loaded safety valve The valve is suitable for operating temperatures of steam ≤350 ℃, equipment and piping water medium. As overpressure protection device, according to the connection flange standard JB / T79-94 series. ① valve discharge pressure and adjust the pressure back seat Weifang double spring safety valve, the valve must be open to all high test Shandong valve action, and therefore After that, only in the test device capacity, or installed on the protected equipment in safety valve that is made possible. The adjustment method is different depending on the structure of the valve. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products!