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ESDP Dry Screw Vacuum Pump

This dry screw vacuum pump (SDV) adopts a unique screw rotor profile, which makes low exhausting temperature and process stability, and can save 30% energy. This series does not use oil and water. It is suitable for various fields of vacuum technology, and also maintain the most excellent vacuum efficiency and durability. It is operated in a variable compression mode and water vapor-liquid mixing process, ideal for drying, solvent recovery, chemical, pharmaceutical, plastic and other vacuum processes.
Availability:

Advantages and Characteristics of ESDP Dry Screw Vacuum Pump:

1. Inhalation efficiency (up 15%).

2. Improvement of exhaust efficiency (2-stage variable, continuously variable frequency).

3. Limit pressure: 1*10-2Torr (Torr).

4. Exhaust temperature is reduced by 50%.

5. Reduce power consumption by 30%.

6. Do not use oil and water, will not cause oil and water pollution.

7. Low power consumption, low noise, low vibration, good dynamic balance, no inertial force and high-speed operation.

8. Simple design and structure, easy maintenance, low maintenance cost and long service life.

9. Wide application range and high vacuum performance.

10. Long service life, polytetrafluoroethylene, nickel and Hastelloy coatings on gas contact parts (special materials can be selected to solve corrosion problems in some processes).

11. Various sealing methods such as lip seal and mechanical seal can meet different process applications.

12. Rare lubrication method is adopted before and after to improve bearing durability.




Application:

● Petrochemical industry, used for extracting condensable gas, or toxic gas, or corrosive gas, or gas containing dust.

●Chemical industry, used for vacuum distillation and solvent extraction and recovery, such as acetone, polyol and others.

●Semiconductor synthesis and liquid crystal production

● Food industry; like spice, essence concentration, food packaging and etc.

●Industrial exhaust; Centralized vacuum processing system

●Mixing technology of extruder and exhaust of Plate

●The process of debuffing mixed resin; Used in fatty acid production to eliminate water pollution and blockage in ejectors.




Technical Parameters of ESDP Dry Screw Vacuum Pump:

Model No.

Suction Volume

Ultimate Pressure

Motor Power

Speed

Inlet Diameter

Outlet Diameter

Liquid Flow

Noise

Weight

M³/h

Pa

KW

rpm

mm

mm

L/min

dB

Kg

ESDP-320

260

1.33

7.5

2900

65

50

10

80

320

ESDP-430

360

1.33

11

2900

65

50

12

80

380

ESDP-650

540

1.33

15

2900

80

65

12

80

580

ESDP-900

750

1.33

18.5

2900

100

65

20

80

680

ESDP-1500

1400

1.33

37

2900

125

80

30

82

950

For more detailed information, please contact us.




Vacuum pump accessories :


Imported bearing


screw pump rotor in manufacturing(variable pitch)


Semi-finished shell of screw pump

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