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商品名稱：電磁真空帶充氣閥
產(chǎn)品型號(hào)：DDC-JQ
DDC-JQ型－電磁真空帶充氣閥
DDC-JQ型電磁真空帶充氣閥是機(jī)械真空泵安全閥，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。當(dāng)泵停止工作或電源突然中斷時(shí)，閥門自動(dòng)關(guān)閉。使真空系統(tǒng)保持真空并將大氣充入泵腔內(nèi)，從而避免泵油逆向流動(dòng)而污染真空系統(tǒng)。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、閥蓋、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 |
DN |
h |
B |
H |
D |
Do |
D1 |
n-d |
Machineal pump |
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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