DFH20/7 Mine intrinsically safe electric ball valve

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Posting date : Mar 11, 2014

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MINERAL PRODUCTS | Mineral fu

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27-

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DFH20/7 Mine intrinsically safe electric ball valve DFH20/7 mine intrinsically safe electric ball valve is suitable for the occasion, with gas and coal dust explosive dangerous gas with ZP - 127 - z automatic sprinkler dust device for mine used host. DFH20/7 mine intrinsically safe electric ball valve is a kind of by the sphere rotation and new electric valves open and close waterway. Technical parameters: DFH20/7 mine intrinsically safe explosion-proof electric ball valve type: Mine intrinsically safe explosion-proof marks for ExibI; The rated working voltage: 12 VDC; The rated working current: 150 ma or less; The highest input voltage Ui: 12.9 VDC; Ii: the maximum input current 400 ma: Maximum internal inductance Li: 0.3 mH; Maximum internal capacitance Ci: OuF; DFH20/7 mine intrinsically safe electric ball valve opening or closing time: 10 s ~ 15s. Scope of supply pressure: 0.2 MPa ~ 7 MPa; Water supply temperature range: O ℃ ~ 60 ℃; Ball valve size: 20 mm; DFH20/7 mine intrinsically safe electric ball valve power supply voltage fluctuation adaptability