型号MODEL

2X-4A

2X-8

2X-15

2X-30A

2X-70A

备注

Remarks

抽泣速率 Pumping speed L/S

4

8

15

30

70

极限压力/

关气镇 Without gas

pa

≤6×10-2

用座式缩式水银真空计在泵口测量

Utmost

ballaset

Pressure

开气镇 With gas ballaset

≤6×10-1

≤1.33

With a Mcleod gauge

极限全压强

≤1

~6×10-1

用热偶计，电阻计等全压强计测量

UItimate total pressure Pa

电机功率 Motor power Kw

0.55

1.1

2.2

3

5.5

With the themal couple or Pirani pauge and other

温升 Temperature rise℃

≤40

total pessure vacuum gauges

噪声 Nosie Lw dB（A）

≤75

≤78

≤80

≤82

≤86

进气口径 Dia of inlet mm

2.5

40

40

65

80

转速 Rotational Speed r.p.m

45

320

450

420

用油量 Oil capacity L

1.0

2.0

2.8

2.0

4.2

外型尺寸 Overall dimensions cm

49×31×41

79×43×54

79×53×54

78×50×56

91×65×70

使用电磁阀 Suitable electro-magnetic valve

DDC-JQ25

DDC-JQ40

DDC-JQ65

DDC-JQ80

重量 Weight Kg

59

129

168

194

343

冷却水量 Cooling waterL/min

-

-

-

＞1

＞2

进出水管孔G3/8″

Inlet and outlet water pipes is G3/8″