Why is the explosion-proof control box of pneumatic aluminum alloy wafer butterfly valve installed upstream of the flow control valve? ◆ Shell structure: The valve body of the fixed butterfly valve can be planned into three types: cast structure, cast structure and all welded structure according to different user needs and actual working conditions. The butterfly valve with all welded structure is mainly suitable for underground use.
、 Technical indicators: drive motor: hysteresis synchronous motor drive Working voltage: 200VAC, needle valve (needle valve) 50Hz/60Hz (AC24V, 110V available) Power consumption: ≤ 5.7VA Valve body pressure: 1.6MPa Allowable pressure difference: ≤ 0.12MPa Applicable medium: cold water Applicable medium temperature of hot water: 2 ℃ - 95 ℃ Applicable ambient temperature: 0 ℃ - 60 ℃ Opening and closing time: about 10 seconds for opening and about 5 seconds for closing Installation and commissioning: carefully read the instructions before installation, cut off relevant power supply of the stop valve and install it by professional technicians.
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