Gas&CO alarm with Shut-off valve

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Gas&CO alarm with Shut-off valve
Posting date : Nov 05, 2008
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85-
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Gas&CO alarm 1.Gas&CO alarm is corresponding to European EN50194 & EN50291 standard .“Electrical devices for detecting inflammable gases for household application. Testing methods and requirements to working characteristics” 2. Gas alarm should be repairable, have long-time stability of gas sensitive sensors, stabile workability in temperature . 3. Gas alarm should be set up for detecting natural gas, LPG gases and CO. 4. Valve parameters should fit to gas alarm. Power supply from Voltage 220V/50 Hz Reserve supply from the battery, for audio and visual alert in case of power cut Automatically change from basic to battery supply Power Consumption from the net -220V, 50 Hz not more -Stand by mode- 3 Max -Emergency mode- 7 max Working conditions Temperature range of environment 0+50C Ambient humidity 80 not more Barometric pressure 79-101 KPa Protection level IPX2D not more Dimensions 150x80x40 Mass of alarm 200 gr Color light white Sensor easy to remove Sensor life-time 5 years Detector life-time 15 years Warm up time 30 sec Responding time 20 sec not more Limits set up from 10 % of the lower explosiveness limits of natural gas, and to 0.01 % from CO concentration in room. Outgoing power on relay for alerting to emergency cutoff valve – 12 V Sound- not less then 85 Db/m2 on 1 m distance. Indicator: green-power, Yellow- error Red: emergency Detector should have two sensors- CO and gas detector Detector should not react on air in-and-out, cooking vapor, etc. Shut-off Valve: 1 working environment natural gas corrosion-proof 2 Maximal working pressure MPa 0,005 3 Working teperature C -10+50 4 Ambient humidity % 30,,,90 5 protection 6 protection level IP65 7 izolation class H(180) 8 Material Copper 9 Type of valve cut off 10 execution normal open 11 return to normal position manual 12 Functioning ( responding) 1 sec 13 power supply from alarm, at emergency alert

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