http://www.ec21.com/ec-market/gas shut off valve.html http://moboxu.en.ec21.com/Gas_Detector_with_Shut_Off--3668464_3672396.htmlShut off Valve description: Shut-off Automatically When it Alarm Actuation voltage: DC 9V pulse Temperature: -10centigr20091224 http://detector1.en.ec21.com/Gas_Detector_with_Shut_Off--3596872_3596978.htmlShut off valve description: Valve description: Shut-off Automatically When it Alarm 1. Valve body materials: Brass al20091009 http://lin45321.en.ec21.com/Medical_Gas_Shut_off_Valve--3408859_3408994.html Medical Gas Shut-off Valve is used to reduce gas pressure and to shut off gas pipes. Medical Gas Shut--off Valve Medi20090919 http://jeanlyzhang.en.ec21.com/Gas_Detector_with_Shut_off--3114000_3141089.html30S 12, Alarm output: frequent on or off signal, control exhaust fan, electrical magnetic valve signal. 20090227 http://b1986.en.ec21.com/Gas_Detector_with_Shut_off--3056917_3078396.htmltime: 30S 12, Alarm output: frequent on or off signal, control exhaust fan, electrical magnetic valve signal. 20090207 http://xyelectron.en.ec21.com/Gas_Emergency_Shut_Off_Solenoid--1287143_1287144.htmlgas 4) Ambient temperature: -20-60°C 5) Working pressure: 0-1 bar 6) Sealing: NBR 7) Valve body: casting aluminum 20080506 http://acevalve.en.ec21.com/Gas_Shut_Off_Butterfly_Valve--705548_734730.html Characteristics Gas shut off valve is a kind of butterfly valve, and designed to exchange transformer cooler without 20050219 http://gastron.en.ec21.com/Home_Gas_Detector_GVC_2000--1066110_1096650.htmlGas Shut-Off Valve) Operation Temperature -20°C ~ 50°C Operation Humidity 10 ~95 % RH (Non-condensing) Contro20051219 http://kvcvalves.en.ec21.com/Divert_Valve--3695416_3703100.htmlvalves are extensively used in oil and gas, chemical, petrochemical, power station, and other industries. Design Stan20091214 http://anfuel.en.ec21.com/Diesel_CNG_Conversion_Kit--3759791_3760708.htmlgas filling valve and shut-off valve 6 15 4 piece H-pressure clip bolt 6 10 6 piece Charge adjuster assembly &20091230 http://microsecu68.en.ec21.com/SMOKE_Fire_DETECTOR_Carbon_Monoxide--4029937_3421835.htmlGas leakage detector,gas alarm 1. This is one of kitchen secured assistant: the valve shut-off is avaible to connect wi20091228 http://wzmsik.en.ec21.com/Triple_Eccentric_Butterfly_Valve_Triple--3811311_3825782.html Product Introduction Wafer metal sealing butterfly valve is our developing three-eccentric metal sealing butterfly20091229 http://binzier.en.ec21.com/SS_Gate_Valve--343949_2450354.htmlvalves) are linear motion valves in which a flat closure element slides into the flow stream to provide shut-off. Gate 20091216 http://xcyitai.en.ec21.com/Oil_Separator--1726195_2863842.htmlshut-off system of floating valve Solid copper connection Anti-corrosive spurting model Maximum operating pressure: 20091208 http://riello.en.ec21.com/Pneumatic--3970518_3970521.htmlValves, Proportional Control Valves, Proportional Flow Control Valves, Process Valves, Shut-Off Valves, Soft start/ dum20091130 http://gasburner.en.ec21.com/ODS_Pilot_Burner_B880301--2531380_2508696.htmlvalve closes causing the gas supply to the vent-free gas product to be cut off. The appliance shuts down. 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Through drain valve, decrease casing pressure of wellhead to protect BOP stack. 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Close the outlet valve of propane gas tank for keep 20080428 http://zl2005.en.ec21.com/Shut_Off_Valve--1952595_1972523.htmlZL12 series emergency shut off valve are installed on fuel supply lines beneath at grade level to minimize hazards asso20080417 http://duman.en.ec21.com/Double_duty_Valve--1846826_2540907.htmlJust only one valve,but fit to two gas :Natural gas and Propane gas it has four functions: i)adjust temperature . (temp20071227