Shandong Everbright Valve Co., Ltd. is a company with highly innovative international technology company, Everbright staff has been committed to providing customers with a full range of industrial valve solutions A21F threaded valve spring Weiqi, specializing in industrial valves production, research and development, sales and services. The company actively introduce learning US valve manufacturers, Japan, Germany and other advanced countries in the world valves and actuators of advanced technology, through absorption and improvement in the domestic and international markets to get the customer's trust and respect. 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! Valve manufacturers, valve, valve type Everbright Everbright Limited provided by Shandong valve. 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!