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. Generally not large diameter valve spring Weiqi A21F threaded valve, commonly used in DN15mm-DN80mm among more than 150mm are generally known as large diameter valve. Valve Co., Ltd. specializes in producing Shandong Everbright safety valve safety valve manufacturer, welcome new and old customers to order our products! Discharge pressure: the valve inlet pressure reaches a predetermined height when open. Limit the discharge pressure of the need to obey the requirements of the relevant standards or norms of the country. Over pressure: the pressure difference between the discharge opening pressure, the opening pressure is usually expressed as a percentage. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Safety valve opening and closing pieces by the external force is normally closed state, when the media pressure equipment or piping inside the valve rises above a predetermined value, Shandong, by the media outside the system to prevent the discharge piping or equipment exceeds the value of the medium pressure special valves. Safety valves are automatic valves, mainly for boilers, pressure vessels and piping, control pressure does not exceed the value of personal safety and equipment operation plays an important protective role. Weifang valve manufacturers | Everbright Valve Model | safety valve provided by Shandong China Everbright Limited valve. Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com) Shandong Weifang, ball leader, over the years, the company is implementing the scientific management, innovation and development, the principle of honesty and trustworthiness, and satisfy customer needs. Everbright valve leadership with the staff warmly welcome all inquiries negotiations to create a better future for China Everbright valve.