ZJ series Roots vacuum pump


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A professional enterprise integrating vacuum technology development, vacuum equipment manufacturing and vacuum application equipment design.

Classification:

Product details:

Overview:

  ZJ series Roots vacuum pump is a volumetric vacuum pump, also known as mechanical booster pump. It is one of the main pumping equipments for medium and high vacuum. Its working principle is similar to that of Roots blower. It uses two 8-shaped shapes. The rotation in the pump casing is synchronized to complete the suction and exhaust.

  For the chemical industry, pharmaceutical industry and other industries need to remove a large amount of water vapor and solvent technology, our company has improved the sealing structure of ZJ series Roots vacuum pump pump chamber and bearing cavity, greatly reducing the oil emulsification phenomenon in the bearing cavity and gear cavity. The ZJ series Roots vacuum pump is more suitable for mixing a large amount of water vapor and solvent with a water ring vacuum pump.

 

Zhuocheng Pump Industry

 

Main feature:

  ♦ There is a large pumping speed in the pressure range of the limit width (1~1x10Pa).

  ♦ The pump chamber is oil-free, avoiding oil vapor contamination of the vacuum system.

  ♦The vibration is small and the noise is small.

  ♦ The mechanical friction loss is small, so the driving power is small.

  ♦ Easy to maintain and repair, low cost and long life.

  ♦ Can remove condensable gases.

  ♦ Cannot be used alone, the foreline pump must be configured. It is not allowed to start at atmospheric pressure until the foreline pump draws the Roots pump inlet pressure to the allowable inlet pressure. The foreline pump is generally a water ring type vacuum pump, an oil ring type vacuum pump, an oil seal type mechanical pump, and the like.

  ♦ Improved the characteristics of water vapor removal and organic solvent, and solved the problem of emulsification of bearing chamber oil.

 

Roots vacuum pump main technical performance specifications:

 

Model

ZJ-15

ZJ-30

ZJ-70

ZJ-150

ZJ-300

ZJ-600

ZJ-1200

ZJ-2500

Pumping speed(L/S)

15

30

70

150

300

600

1200

2500

Ultimate pressure(Pa)

5 x 10-2

5 x 10-2

5 x 10-2

5 x 10-2

5 x 10~2

5 x 10-2

5x10-2

5X10'2

Maximum allowable pressure difference(Pa)

8000

8000

8000

6000

4500

4500

3000

3000

Rotating speed(r/min)

1390

2770

2870

2970

1450

2900

1450

2900

Caliber(mm)

Import

50

50

80

100

150

150

300

300

Export

40

40

50

100

150

150

300

300

Weight(Kg)

70

70

100

215

480

503

1580

1640

With motor power(KW)

0.55

0.75

1.5

3

4

5.5

11

22

  Note: The ultimate pressure values listed in the above table are the ultimate pressure measured when the Roots vacuum pump is equipped with a rotary vane vacuum pump or a slide vacuum pump with a suitable pumping rate as the foreline pump, such as a water ring vacuum pump or an oil ring vacuum pump. For the foreline pump, the ultimate pressure will be higher than this value. For the specific parameters, please refer to the Roots Liquid Ring Vacuum Unit.

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