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永嘉縣秦工真空閥門有限責(zé)任公司
Yongjia QinGong vacuum valve Co., Ltd.

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真空電磁閥
  ■ DDC-JQ型電磁真空帶充氣閥是機(jī)械真空泵安全閥鹦堕，安裝于機(jī)械真空泵的進(jìn)氣口，并與泵同步開啟和關(guān)閉贱避。當(dāng)泵停止工作或電源突然中斷時(shí)啡洁，閥門自動關(guān)閉。使真空系統(tǒng)保持真空并將大氣充入泵腔內(nèi)疙汁，從而避免泵油逆向流動而污染真空系統(tǒng)蕊肖。適用介質(zhì)為純凈空氣和非腐蝕性氣體。
 
■ DDC-JQ
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.
 
■ 主要技術(shù)性能
Main Technical Performance
 
  ■


■


■
　適用范圍：Applicability 　105～10-2Pa
　閥門漏率：Valve Leak Rate 　≤6.7×10-3Pa.L/S.
　適用溫度：Applicability 　-30～+50℃
　線圍溫升：Coil Temperature Rise 　≤65℃
　開閉時(shí)間：Open-close Time 　≤3S
　電源電壓：Mains Voltage 　220V/50Hz
 
■ 主要零件材料
Materials of Main Parts
 
  ■


■		 閥體语哺、閥蓋逐豆、閥板：碳鋼或鋁合金
密封圈：丁腈橡膠

Body, bonnet and disc: carbon steel or aluminium alloy
Seal ring: NBR
 
CONSTRUCTION FIGHTS(mm)
 
■ 外形及連接尺寸(mm)(JB919)
Overall and Connection Dimensions(mm)
Model
型號
DN
h
B
H
D
Do
D1
n-d
Machineal pump
機(jī)械泵匹配參考
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

永嘉縣秦工真空閥門有限責(zé)任公司

電話：0577-67952199  傳真：0577-67952160  地址：永嘉縣甌北鎮(zhèn)馬岙工業(yè)區(qū)

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