DDC-JQ electro-vacuum charging valve is a safety valve for vacuum, pump. It is mounted at the intake nozzle of vacuum pump, synchronously opened and closed with the vacuum pump. In case that vacuum pump stops working or power supply is suddenly broken off, valve will be cosed automatically to keep the vacuum system vacuum and the air charged into the cavity of vacuum pump, thus to prevent pump oil from reverse flow that can pollute the vacuum system. Applicable medium can be pure air and noncorrosive gases.
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DDC-JQ不锈钢电磁真空带充气阀,铸钢电磁真空带充气阀,卫生级电磁真空带充气阀主要技术性能 Main Technical Performance
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适用范围:Applicability
105~10-2Pa
阀门漏率:Valve Leak Rate
≤6.7×10-3Pa.L/S.
适用温度:Applicability
-30~+50℃
线围温升:Coil Temperature Rise
≤65℃
开闭时间:Open-close Time
≤3S
电源电压:Mains Voltage
220V/50Hz
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DDC-JQ不锈钢电磁真空带充气阀,铸钢电磁真空带充气阀,卫生级电磁真空带充气阀主要零件材料 Materials of Main Parts
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阀体、阀盖、阀板:碳钢或铝合金 密封圈:钉腈橡胶
Body, bonnet and disc: carbon steel or aluminium alloy Seal ring: NBR
CONSTRUCTION FIGHTS(mm)
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DDC-JQ外形及连接尺寸(mm)(JB919) Overall and Connection Dimensions(mm)
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