电磁阀图片系列:DDC，DQC真空电磁阀

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真空电磁阀的详细资料：

DDC-JQ电磁真空带充气阀

DDC-JQ电磁真空带充气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。

DDC-JQElectro-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.

电磁真空带充气阀主要技术性能Main Technical Performance

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

电磁真空带充气阀主要零件材料Materials of Main Parts

阀体、阀盖、阀板：碳钢或铝合金密封圈：丁青橡胶

Body, bonnet and disc: carbon steel or aluminium alloy Seal ring: NBR

CONSTRUCTION FIGHTS(mm)

电磁真空带充气阀外形及连接尺寸(mm)(JB919)Overall and Connection Dimensions(mm)

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