Liquid ammonia valve adopts the lifting valve structure and check valve to prevent media backflow principle, with excellent technical performance, low load loss and high reliability, installation of liquid ammonia tank pipeline, and supporting the use of long-distance gas source, Use gas source control valve open - closed, so that in the pipeline or on the tank leak or even fire, the rapid manual pressure relief gas source, or high temperature ≥ 80 ℃ (fusible alloy) melting, while the automatic pressure relief valve, the valve Quick closure and only leakage, play a security role. Widely used in chemical dangerous goods, gas pipe network system, gas heat plant, gas boiler room and residential home safety facilities. Liquid ammonia valve combines the advantages of stop valve, check valve, solenoid valve and pneumatic valve. It consists of multi-spring pneumatic actuator or floating piston actuator and regulating valve. It receives the signal of regulating instrument and controls the flow of fluid Cut off, on or switch. Has a simple structure, responsive, reliable and so on. Can be widely used in petroleum, chemical, metallurgical and other industrial sectors. Shut off the gas source of the valve requires filtered compressed air, the medium flowing through the valve body should be free of impurities and no particles of gas. Liquid ammonia valve works: 1. Gas inlet by a two-position three-way solenoid valve installed, the use of remote electrical control console valve switch. 2. Gas leakage alarm alarm power, the solenoid valve power exhaust, the valve automatically shut down. 3. Manually control the solenoid valve (press the red clip) exhaust, the valve automatically shut down 4. When the accident occurred, the instantaneous energization of the valve coil, Trigger the valve quickly closed, into the self-locking state. At this point even if the withdrawal of power, the valve is still self-locking state, will not re-open automatically. 5. Valve in the daily work of the normally open state, the solenoid valve coil is in the power state, does not consume electricity. 6, when the staff dealt with the accident, re-open the valve manually, will resumed supply. 7, Electrical protection grade: CEI IP65 / IP67 8, Explosion-proof grade: Eexm Ⅱ T4 / Eexm Ⅱ T5 9, Working voltage and electric power: AC24V or 220V, 50Hz / 14V; AC12V / 8.5W, AC24V / Working temperature: -15 ~ 60 ℃
Ppgi Roofing Sheet,Ppgi Steel Coils,Cold Rolled Ppgi,Ppgi Color Coated Galvanized Steel Coils
Mactec Machinery Co., Ltd. , http://www.hzrollformingmachines.com