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Weatherproof Loud Speaking Telephone(KNSP-08)Industry waterproof phoneINTRODUCTIONApplication:1.metro2.highway call box3.power plant, steel plant4.Refineries5.mines6.Dockside7.other hazardous environment which has the demand of damp proof , fireproof... More
1. Low noise, due to the helical suction and discharge, the blower air flow in and out according to the direction of spiral line, all these prevent the pulse noise and vibration. Whats more, by using the Impedance complex muffler, the noise of our... More
