DDC碳钢真空电磁阀、电磁真空带充气阀、防爆真空电磁阀、国标真空充气阀概述

DDC-JQ型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或非腐蚀性气体。

DDC-JQ electromagnetic vacuum belt inflatable valve is a mechanical vacuum pump safety valve, installed in the mechanical vacuum pump inlet, and synchronously open and close with the pump. When the pump stops working or the power supply suddenly interrupts, the valve automatically closes, so that the vacuum system keeps vacuum and fills the air into the pump cavity, thereby avoiding the reverse flow of pump oil and polluting the vacuum system. The applicable medium is pure air or non corrosive gas.

DDC碳钢真空电磁阀、电磁真空带充气阀、防爆真空电磁阀、国标真空充气阀主要技术性能

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

DDC碳钢真空电磁阀、电磁真空带充气阀、防爆真空电磁阀、国标真空充气阀主要零件材料

阀体、阀盖、阀板：碳钢或铝合金 

Body, bonnet, valve plate: carbon steel or aluminum alloy.

密封圈：丁腈橡胶

Sealing ring: nitrile rubber

DDC-JQ型电磁真空带充气阀外形及连接尺寸

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