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Positive Displacement Pump

GF Sanitary Single screw pump

The single screw pump is an internal meshing closed screw pump. As the rotor type positive displacement pump(the Archimedes' screw pump), a single screw rotates in a cylindrical cavity, thereby moving the material along the screw's spindle. It has strong adaptability to the medium,which can transport various flowable medium , as well as highly viscous, fibrous, medium containing hard suspended or solid particles.
Details

Summary

The single screw pump is an internal meshing closed screw pump. As the rotor type positive displacement pump(the Archimedes' screw pump), a single screw rotates in a cylindrical cavity, thereby moving the material along the screw's spindle. It has strong adaptability to the medium,which can transport various flowable medium , as well as highly viscous, fibrous, medium containing hard suspended or solid particles.

Construction

1

Pump Shaft

8

Driving Shaft

15

Pin

2

Bearing Cover

9

Suction Casing

16

End Sleeve

3

Bearing

10

UniversalJoint

17

Retainer

4

Bearing Housing

11

Screw

18

Clamp

5

Bearing

12

Stator

19

Rubber Sleeve

6

Seal Gland

13

Discharge Casing

20

Tie Rod

7

Shaft Seal

14

Driving Shaft



Advantage

Comparison of the screw pump and other pumps:

1. screw pump does not need to install a valve, stable flow and pressure pulsation when compared with the centrifugal pump,

2. The screw pump has strong self-priming ability and strong suction height: 5m when compared with the general pump

3. the screw pump can transport various mixed impurities containing gas, solid particles (Max.50mm) or fibers without destroying it , and can also transport various corrosive substances when compared with the diaphragm pump

4. the screw pump can transport high-viscosity substances£¬ maximum viscosity of 200,000cps and water containing rate of 50% depend on materiality when compared with the gear oil pump

5. screw pump can be used for pharmaceutical filling and metering when compared with the plunger pump, diaphragm pump and gear pump

6. Others, bearings are placed externally, fluids are not contaminated.flow direction can be changed and reversed running. Sealing is set on suction side, maintenance is easy.

GF Sanitary Single screw pump

Product details

Product Name:

Sanitary food Single screw pump

Driver:

Electric Motor or Diesel Engine

Capacity:

0.8-150m3/h

Maximum head/ Pressure:

120m(0.6~1.2Mpa)

Casing material:

Stainless Steel

Screw material:

SS304 / SS316

Stator material:

Food gradeNBR / Silicon Gel. /EPDM

Seal way:

Mechanical seal

Motor type:

YX3 Series motor / Gear box and YX3 series motor / Explosion proof motor/ Diesel Engine

Max.permissible fluid temperature:

120¡ãC

Type of connection:

Flange / Clamp

Other type :

Cast iron material type

Suitable Medium£º

1.High solid content (diameter of the biggest particle is 50mm) or no solid content Medium with allviscosity (1mPas-3,0O0,00OmPas)

2.Medium that is easy to be generated and swelled Shearing sensitive medium

3.Medium with erosion

4.Medium with/without self lubrication Erosive medium (PH=O~14)

5.Adhesive medium

6. Toxicity hazard medium

Note: when use the clamp way, the flow rate and pressure will be some different. Please confirm before order placed.

Applications

As a rotor pump, the flow rate can be adjusted by changing the speed according to the requirements by reducer. The following ranges and industries are widely used:

1.Environmental protection:

industrial sewage, domestic sewage, sludge anddirty water containing solid particles and short fibers,
especially suitable for oil-water separators, plate and frame filter presses and other equipment

2.Shipbuilding industry :

wheel bottom cleaning, oily water, oil residue, oily sewage and other media

3. Petroleum industry:

crude oil, crude oil and water mixtures, coal field gas and water mixtures, injecting polymers into formations, etc., reducinga lot of cost

4. Medicine and daily chemicals:

viscous pastes, emulsions, and various ointments and cosmetics

5. Food canning industry:

viscous starch, cooking oil, honey, syrup, fruit pulp, butter, minced fish and minced meat and its leftovers

6. Brewing industry:

alcohol viscous slurries, thick liquor tanks, grain product residues, various sauces, slurries and mucus containing massive solids, etc.;

7. Construction industry:

spraying and conveying of cement mortar, lime mortar, paint and other pastes;

8. Mining industry:

the groundwater and sludge water containing solid particles in the mine are discharged to the ground;

9. Chemical industry:

various suspensions, oils, various colloids, various adhesives:

10. Printing and paper industry:

conveying high viscosity ink, PVC polymer plastic paste for wallpaper and pulp and short fiber pulp of various concentrations.

11. Industrial boilers, power plants:

coal-water slurry.

Specification data

Model

Inlet

Outlet

Rated flow

Pressure

Speed

Motor

mm

mm

GPM

m3/h

MPA

PSI

RPM

KW

HP

G20-1

25

25

3.5

0.8

0.6

87

960

0.75

1

G20-2

25

25

3.5

0.8

1.2

174

960

1.5

2

G25-1

32

25

8.8

2

0.6

87

960

1.5

2

G25-2

32

25

8.8

2

1.2

174

960

2.2

3

G30-1

50

40

22

5

0.6

87

960

2.2

3

G30-2

50

40

22

5

1.2

174

960

3

4

G35-1

65

50

35

8

0.6

87

960

3

4

G35-2

65

50

35

8

1.2

174

960

4

5

G40-1

80

65

53

12

0.6

87

960

4

5

G40-2

80

65

53

12

1.2

174

960

5.5

7

G50-1

100

80

88

20

0.6

87

960

5.5

7

G50-2

100

80

88

20

1.2

174

960

7.5

10

G60-1

125

100

132

30

0.6

87

960

11

15

G60-2

125

100

132

30

1.2

174

960

15

20

G70-1

150

125

198

45

0.6

87

720

11

15

G70-2

150

125

198

45

1.2

174

720

15

20

G85-1

150

150

242

55

0.6

87

720

15

20

G85-2

150

150

242

55

1.2

174

500

18.5

25

G105-1

200

150

352

80

0.6

87

400

22

29

G105-2

200

150

352

80

1.2

174

380

30

40

G135-1

250

200

660

150

0.6

87

380

37

49

G135-2

250

200

660

150

1.2

174

380

75

100


Case of GF Sanitary Single screw pump

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