With the use of different requirements, there are enclosed and not enclosed. Closed discharge medium that does not leak valve manufacturer in Weifang, all along the export regulations of the discharge A27H spring inching valve vendors, generally used for toxic and corrosive media. Enclosed are not generally used for non-toxic or non-corrosive media. Valve Co., Ltd. specializes in producing Shandong Everbright safety valve safety valve manufacturer, welcome new and old customers to order our products! Safety valve according to the working temperature is generally divided 1. room temperature relief valve is installed only on the temperature in heating, air conditioning or water system's safety valve 110 ℃. 2. High temperature relief valve is a safety valve means specifically used in the solar system and the mold temperature of 180 ℃ temperature systems. Valve Co., Ltd. Shandong Everbright valve manufacturer specializing in the production, welcome new and old customers to order our products! Whether the pressure relief valve can be adjusted according to classification A27H inching valve spring offer, can be divided into fixed and adjustable relief valve and adjustable valve 1. Fixed non-adjustable pressure relief valve is factory set, can not be changed when using safe valve actuation, commonly used in central air conditioning, boiler boiler, solar energy systems. 2. adjustable pressure relief valve off can vary in a range of needs of users can be set, commonly used in applications often need to change the system to protect the pressure, but the prices are generally relatively high. Safety valve | valve manufacturers Everbright | A27H safety valve provided by Valve Co., Ltd. Shandong China Everbright. "Valve" preferred Valve Co., Ltd. Shandong China Everbright (www.sdgdfm.com), the company is located: Cravens District, Weifang City, Shandong Province Bao Tong Street North Makers Industrial Park, over the years, the group valves to provide customers with the best quality service, contact People: Manager Ma. Welcome to the new and old customers call, letter, visit the guide, business negotiations. Everbright valve expect to be your long-term partner!