| | | | ■ | DDC-JQ三精真空电磁阀,永嘉县真空电磁阀,温州市真空电磁阀是机械真空泵安全阀，安装于机械真空泵的进气口，并与泵同步开启和关闭。当泵停止工作或电源突然中断时，阀门自动关闭。使真空系统保持真空并将大气充入泵腔内，从而避免泵油逆向流动而污染真空系统。适用介质为纯净空气和非腐蚀性气体。 |
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| ■ | DDC-JQ型电磁真空带充气阀
Electro-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. |
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| ■ | DDC-JQ三精真空电磁阀,永嘉县真空电磁阀,温州市真空电磁阀主要技术性能
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三精真空电磁阀,永嘉县真空电磁阀,温州市真空电磁阀主要零件材料
Materials of Main Parts | | | | | ■
■ | 阀体、阀盖、阀板：碳钢或铝合金
密封圈：腈橡胶
Body, bonnet and disc: carbon steel or aluminium alloy
Seal ring: NBR |
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| CONSTRUCTION FIGHTS(mm) |
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| ■ | 外形及连接尺寸(mm)(JB919)
Overall and Connection Dimensions(mm) |
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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 |
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相关技术文章：
阀门的重要性
阀门业遭遇技术瓶颈 技术创新是关键
机械工业部标准阀门型号编制方法 （JB308-75）
相关真空阀门系列：
| | | GDC-J电磁高真空挡板阀 | | DDC-JQ型电磁真空带充气 | | 真空管道连接件 | | GM高真空压力隔膜阀 | | DDC-JQ电磁真空带充气阀 | | DYC-JQ电磁真空压差阀 | | CC超高真空插板阀 | | CCD 电动超高真空插板阀 | | CCQ型－气动超高真空插板阀 | | GUD系列电动真空球阀 | | GDC-5 电磁高真空挡板阀 | | DDC-JQ型-电磁真空带充 | | GDQ气动高真空挡板阀 | | GI高真空蝶阀 | | GID电动高真空蝶阀 | | GIQ气动高真空蝶阀 | | GU手动真空球阀 | | GUD电动真空球阀 | | GUQ气动真空球阀 | | GUD系列电动真空球阀 | | GD高真空挡板阀 |
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