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DV Double Stage Rotary Vane Vacuum Pump

DV double stage rotary vane vacuum pumps combining with many years of experience in vacuum engineering and the latest international vacuum technology developed to meet requirements of both the industry and the environment. They are being used in all areas of vacuum engineering. They are equally suited for both industrial production and research applications,.They may be used to generate a rough and medium vacuum,also as backing pumps in pump combinations with Roots pumps, diffusion pumps , molecular pumps or high vacuum pumps. The comprehensive range (pumping speeds ranging from 4 to 90 m3/h) allows every customer to select the right pump for his particular needs.
APPLICATION
Semiconductor, solar industry,Vacuum coating, research and development, chemistry and pharmaceuticals, Metallurgy and Furnaces, Car industry, Laser engineering,Space simulation, analytical engineering, environment engineering,cooling and air-conditioning, electronical engineering ,mechanical engineering, Medicine technology, vacuum drying cabinets,chimestry and research labs,freeze drying systems,backing pump for high vacuum pump systems.
ADVANTAGES
High ultimate vacuum
Built-in oil pump , good pressure lubrication .
Exhaust filter to collect oil mist
High water vapor tolerance
Low noise level low vibrations
Compact design
Anti-suckback device
Continuous operation at 13.3mbar
Service -friendly
TECHNICAL SPECIFICATIONS

TYPE 

Unit

DV04

DV08

DV16

DV20

DV30

DV54

DV90

Pump Speed

M3/H

4

8

16

21

30

54

90

L/S

1

2

4

6

8

15

25

Utimate Partial Pressure

Pa

4×10-2

4×10-2

4×10-2

4×10-2

4×10-2

4×10-2

4×10-2

Utimate Total Pressure

Pa

1

1

1

1

1

1

1

Noise Level

dB(A)

65

65

66

68

70

70

72

Inlet 

mm

φ20

KF25/φ30

KF25/φ30

KF40

KF40

KF40

KF50

Oil Filling

L

0.7

1

1.2

2

3

4

5

Voltage

V

380/220

380/220

380/220

380

380

380

380

Power

Kw

0.25

0.37

0.55

0.75

1.1

1.5

2.2

Motor Speed

rpm

1400

1400

1400

1400

1400

1400

1400

N.W/G.W 

Kg

17/18

20/22

22/24

40/50

60/70

75/86

85/98

Dimensions

mm

469x168
X260

514×168
×282

565×168
×282

565×200
×342

650×240
×430

700×240
×430

770×240
×430

DIMENSIONS

TYPE

PIPE

L7

L8

L6

L’6

L12

L’12

DV04

30×20

73

182

240

7.5

88

118

DV08/16

40×25

102

188

270

10

94

134

TYPE

L

L1

L2

L3

l

l1

l2

W

W1

W2

w1

w2

H1

H2

DN

KF

Φd

DV20

565

220

105

64

302

250

85

200

55

66

136

182

315

280

25

40

7

DV30

654

255

175

64

495

455

180

240

75

100

182

232

414

388

25

40

8

DV54

703

315

175

64

495

455

180

240

75

100

182

232

414

388

25

40

8

DV90

773

355

175

64

495

455

180

238

75

100

182

232

414

388

25

50

8