3G Series Three Screw Pump

3G Series Three Screw Pump

3G Series Three Screw Pump

Application
It applies to deliver clean and non-corrosive medium which has lubricating troperty at temperature beow ≤150℃、with the viscosity of 5-760cSt,The pump's working pressure range from 0.6MPa to 2.5MPa and flow capacity range from 0.6-123m3/h.
Feature
(1)Medium is delivered in axial direction continuously without agitation and pulsation.
(2)Small vibration and low noise
(3)High pressure and high efficiency
(4)Simple structure,easy disassembly and assembly
(5)Small volume and lighe weight
(6)Slight wear and long life of the pump
Structure:The pumps are sealed generally by mechanical seal and driven by the motor through the claw coupling.
Material: The driving and driven screw 16MnCrS5,40Cr,45,38CrMoALA

Pump casing:HT200,QT450-10,ZCuSn10Pl,ZG270-500
Example of pump model  

Eg:3G25×4-46
3G:three screw pump
25:out-side dizmeter of the driving screw25mm
4:potch number of the screw
46:46° pitch angle of the screw
R:hezvy fuel oil
r:light fuel oil
W:high temperature heated oil
N:high visc oil
A:code of design improvement
S:double suction
According to the application modes three screw pump is divided into five series

Series

Main application

Performancescope

Capacity m3/h

Pre MPa

3G

Lub oil visc3-20oE;temp≤80℃

0.6-570

2.5

3GR

Heavy feul lil visc3-50oE;temp≤120℃

0.6-570

2.5

3GR

Light feul oil visc1.2-5oE;temp≤120℃

0.6-570

1.6

3GW

High temp feul heated oil;temp≤150℃

0.6-363

1.6

3GN

High visc oil 100oE;temp≤80℃

0.6-636

2.5

Performance Parameters

Model

Exhaust
Pressure
MPa

Capacity Q

Speed
r/min

(NPSH)r
m

Efficiency
η %

Motor

m3/h

L/min

Power
kw

Model

25×4-46

1.0

0.8

13

1450

4

62

0.75

Y802-4

2.5

0.6

10

60.6

1.5

Y90L-4

1.0

2.0

33

2900

4.5

59.4

1.5

Y90S-2

2.5

1.6

26

69

3

Y100L-2

30×4-46

1.0

1.6

26

1450

4.5

63.5

1.1

Y90S-4

2.5

1.2

20

61

2.2

Y100L1-4

1.0

3.6

60

2900

5

60

2.2

Y90L-2

2.5

3.2

53

69

4

Y112M-2

36×4-46

1.0

2.8

46

1450

4.5

66

2.2

Y100L1-4

2.5

2.4

40

66.5

4

Y112M-4

1.0

6.5

108

2900

5

60.5

4

Y112M-2

2.5

6

100

72

7.5

Y132S2-2

42×4-46

1.0

4.8

80

1450

5

62

4

Y112M-4

2.5

4.2

70

73

5.5

Y132S1-4

1.0

10.5

175

2900

5.5

61

5.5

Y132S1-2

2.5

10

166

72

15

Y160M2-2

45×4-46

1.0

6.3

106

1450

5

70

3

Y100L2-4

2.5

5.9

99

74

7.5

Y132M-4

1.0

13.5

225

2900

5.5

60

7.5

Y132S2-2

2.5

13

217

75

15

Y160M2-2

60×4-46

1.0

15.5

255

1450

5

71.3

11

Y160M-4

2.5

14.5

245

74

15

Y160L-4

1.0

32

533

2900

5.5

63

18.5

Y160L-2

2.5

31.5

525

77

37

Y200L2-2

70×2-46

0.6

24

400

1450

5

71

7.5

Y132M-4

1.0

23.5

390

75

11

Y160M-4

1.6

22.5

370

76

15

Y160L-4

70×4-46

1.0

24.5

408

1450

5

72.5

18.5

Y180M-4

2.5

23.5

392

79

30

Y200L-4

80×2-46

0.6

36.5

608

1450

5

72

11

Y160M-4

1.0

35

594

75.5

18.5

Y180M-4

1.6

34.5

575

76.5

22

Y180L-4

80×4-46

1.0

37

617

1450

5.5

72

30

Y200L-4

2.5

35

590

78.1

45

Y225M-4

100×2-46

0.6

72.5

1208

1450

5

73

22

Y180L-4

1.0

71

1183

77

37

Y225S-4

1.6

60.5

1158

79

45

Y225M-4

100×4-46

1.0

72.5

1208

1450

5.5

73

55

Y250M-4

2.5

70

1165

78.5

75

Y280S-4

S100×3-27

0.6

72

1196

1450

6

62

22

Y180L-4

1.6

70

1160

72

55

Y250M-4

2.5

69

1145

74

75

Y280S-4

S120×3-27

0.8

123

2055

1450

6

74.5

55

Y250M-4

1.5

120

2010

76

90

Y280M-4

2.5

115

1920

78.5

132

Y315M-4

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