Valve manufacturers, valve, valve Everbright (View) provided by Valve Co., Ltd. Shandong China Everbright. 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. Safety valves are widely used in various industries of the national economy, as a safety accessory spring boilers and pressure vessels and piping safety valve, according to the national "Pressure Vessel Safety Technology Supervision" requirement, "safety valve is usually at least a year should check once. " But the valve manufacturer, current petrochemical, chemical and other enterprises means more than one year of continuous operation, even two or three years to achieve parity once a year is difficult; some devices are continuous operation, no maintenance period; in addition, running faulty safety valve on the unit need not stop to remove and replace it difficult to achieve. For this reason the safety valve, safety valve developed fast switching device that can achieve the purpose of stopping the machine quickly replace the safety valve. According to the State Bureau of Quality Supervision Boiler and Pressure Vessel Inspection and Supervision Bureau issued "steam boiler safety technology supervision order states:" The boiler safety valve at least once a year should check ";" Electric Power Industry Boiler and Pressure monitoring procedures "container ((DL612-1996 ) 9.1.13) states: "After the boiler safety valve installation and overhaul is completed and reconditioned should check the pressure relief valve from the seat," (and clearly states that "procedures to monitor the range: f) the thermodynamic system pressure vessel: high, low pressure heaters, deaerator, and other various types of expansion "; State Power Corporation issued" to prevent major accidents electricity production of 25 key requirements, "states:" all kinds of pressure vessel safety valve should regularly check and emissions test. " These provisions are very clear on power plant safety valve regular checks. This type valve in the pipe should generally be installed horizontally.