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lectro-vacuum Charging Valve
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.
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 |
阀体、阀盖、阀板:碳钢或铝合金
密封圈:丁腈橡胶
Body, bonnet and disc: carbon steel or aluminium alloy
Seal ring: NBR
Model 型号 | DN | h | B | H | D | Do | D1 | n-d | Machineal pump 机械泵匹配参考 |
DDC-JQ16 | 16 | 28 | 48 | 176 | 68 | 42 | 22 | 4-M5 | 2XZ-0.5~1 |
DDC-JQ25 | 25 | 35 | 58 | 199 | 82 | 55 | 29 | 4-M6 | 2XZ-2~4 |
DDC-JQ32 | 32 | 40 | 68 | 222 | 92 | 64 | 36 | 4-M6 | 2XZ-4 |
DDC-JQ40 | 40 | 44 | 80 | 253 | 110 | 70 | 44 | 4-M6 | 2XZ-8 |
DDC-JQ50 | 50 | 56 | 94 | 294 | 124 | 90 | 55 | 4-M8 | 2X-15 |
DDC-JQ65 | 65 | 65 | 115 | 320 | 135 | 105 | 70 | 4-M8 | 2X-30 |
DDC-JQ80 | 80 | 75 | 140 | 367 | 165 | 125 | 85 | 4-M8 | 2X-70 |
品牌 | 其他品牌 |
适用介质 | 气体 |
公称直径 | 16-80mm |
工作压力 | 1.6Mpa |
温度范围 | 低温 |
材质 | 铝合金,碳钢 |
驱动方式 | 电磁 |
执行质量标准 | 国标 |
通道位置 | 二通式 |
零部件及配件 | 阀体 |
连接形式 | 法兰 |
外形 | 中型 |
流动方向 | 单向 |
密封材料 | 橡胶 |
密封形式 | 软密封型 |
产地 | 国产 |
加工定制 | 否 |