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  • pressure indicator SDU

pressure indicator SDU

SDU universal pressure indicator (SDU-M) & ndash; a signaling device that responds to pressure changes by closing / opening a contact group. Produced according to TU 4371-016-00226827-98 The signaling device is designed for round-the-clock operation in installations with gas, water and foam media, including as part of gas fire extinguishing modules based on freons and carbon dioxide (CO2). The signaling device is produced in a climatic version О2 in accordance with GOST 15150-69 for operation at temperatures from minus 50 to plus 55 ° C with a gas medium and at temperatures from plus 1 to plus 55 ° C with a water and foam medium. Designed for indoor use, but can be used outdoors, provided it is installed in places protected from solar radiation and atmospheric precipitation. Pressure indicator SDU technical data Large operational capacity, not less than 1000 operation cycles. Round-the-clock operation. The housing and the insert of the signaling device have a corrosion-resistant coating. Electrical contacts, wiring elements are in a closed case and protected from dust and moisture. The signaling device is resistant to environmental influences with a relative humidity of up to 98% at a temperature of 35 ° C. The warranty period for the alarm is 24 months. The monitored environment is water, freon, liquid carbon dioxide, technical ethyl bromide, foaming agent solution Measurement range alarm trigger pressure 0.02 ... 0.06MPa Power supply, power consumption 30V at 4A direct current; 250V AC 3A Mounting connection size & frac12; inch Overall dimensions, mm 45x55x50 Weight, kg 0.087 Service life not less than 10 years

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