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2X型旋片真空泵
应用：
Applications:
▲ 可单独使用，也可作为前级泵。
can be used alone, and also can be used as prepump.
▲ 可用于真空冶炼、真空焊接、真空浇注、真空干燥、化工制药、电真空器件等工业。
Can be use in the indusries such as vacuum metallurgy, vacuum welding, vacuum casting, vacuum drying, chemical and pharmaceutical, electric vacuum devices.
▲ 可在环境温度5℃-40℃范围内和进口压强小于1330Pa的条件下，允许长时间连续工作。
Long continuous work is enabled under the conditions of environmental temperature 5℃-40℃ and inlet pressure less then 1330 Pa.
▲ 不能抽除含氧过高、有毒的、有爆炸性的、有腐蚀性的、对泵油起化学反应的、含有颗粒尘埃的气体，也不能用作传输泵使用。
Can not be used to extract high oxygen, toxic, explosive, corrosive, chemical reaction responding to pump oil and dust contained gases or used as delivery pump.
▲ 在6650Pa到大气压的进口压强下连续工作时间，不得超过3min
The time of continuous work under the inlet pressure of 6650Pa to high atmospheric pressure can be no more than 3 minutes.
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型号Model
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2X—4C
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2X—8
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2X—15
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2X—30A
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2X—70A
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备注 Remarks
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抽气速率Pumping speed L/s
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4
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8
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15
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30
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70
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极限压力Ultimate pressure ≤Pa
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气镇关Without gas ballast
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≤ 6×10-2
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用座式压缩式水银真空计在泵口测量。
With a Mcleod gauge
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气镇开With gas ballast
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≤6×10-1
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≤1.33
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极限全压强 Ultimate total pressure Pa
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≤1
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~6×10-1
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用热偶计，电阻计等全压强计计量。
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电机功率 Motor power kw
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0.55
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1.1
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2.2
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3
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5.5
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泵温升 Temperature arise ℃
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≤40
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噪声 Lp/Lw dB(A
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≤75
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≤78
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≤80
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≤82
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≤86
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进气口径Diaof inlet mm
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25
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40
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40
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65
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80
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转速 Speed r.p.m
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450
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320
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450
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420
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用油量 Oil capacity L
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1.0
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2.0
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2.8
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2.0
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4.2
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外型尺寸Overall dimensions cm(L×B×H)
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49×31×41
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79×43×54
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79×53×54
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78×50×56
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91×65×70
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适用电磁阀 Suitable electro-magnetic valve
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DDC-JQ25
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DDC-JQ40
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DDC-JQ65
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DDC-JQ80
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重量Weight kg
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59
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129
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168
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194
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343
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