Safety valve, safety valve with radiator springs, Everbright valve (Certified Merchant) Ltd provided by Shandong Everbright valve. 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. Valve installation and maintenance should note the following construction, installation points 1), the installation location, height, and export orientation must meet the design requirements, note the direction of media flow valve should be consistent with the direction of the arrow mark, the connection should be firmly tight. 2), must be visually checked before the valve is installed valve manufacturers, valve plate should comply with the provisions of the current national standard GB 12220 "Universal Valve logo." For working pressure greater than 1.0 MPa and the role played off valve on the main pipe valve, should be the strength and rigorous performance tests A40Y-C spring safety valve prior to installation, passing behind the prospective use. Strength test, the test pressure is 1.5 times the nominal duration of not less than 5min, the valve housing, packing should be no leakage as qualified. Tightness test, the test pressure for the nominal pressure of 1.1 times; the test duration in line with the requirements of GB 50243 1. All kinds of safety valve should be installed vertically. Operational matters one should always be kept clean safety valve to prevent the valve springs are full of grease stalks dirt or corrosion, prevent gas safety valve discharge pipe is clogged oil or other foreign matter; always check the seal is intact Shandong valve to prevent safety valve lever hammer loose or moved against the spring-loaded safety valve adjustment screw is free to twist. Second, the safety valve after cleaning, you must re-commissioning. Third, the class should be used to clean light oil safety valve. Fourth, after the beginning of the operational phase of commissioning, should be carefully observed the operation of the safety valve.