G Series Screw Pump
Product name: G series screw pumpProduct category: screw pump
Ⅰ Product OverviewSingle screw is a new kind of pump following return mesh volumetric working principle,Website:, whose main components are eccentric screw (rotor) and fixed lining (stator).Due to the special geometry of those two components, a separate seal chamber is formed respectively, and the medium uniformly push and flow in axial direction, while internal flow rate is low, volume stays unchanged, pressure keeps stable, thus, there generates no vortex and agitation. The output pressure of pump at each stage is 0.6MPa, pump lift 60m (clear water), self-absorption height usually 6m, and applicable medium below 80℃ (up to 150℃ in case of special requirements).As the stator is manufactured by a variety of elastic materials, thus, the pump has some features that common pumps incompetent to while delivering high viscosity fluids and medium containing hard suspended particles or fiber, with its flow in direct proportion to rotate speed.Adopt coupling direct transmission, or use such devices as adjustable-speed motor, V-belt and gear box for speed change.Such pump has fewer parts, compact structure, small volume and easy maintenance, while the rotor and stator are its quick-wear parts, with simple structure and convenient for assembly and disassembly
Ⅱ Technical ParametersFlow: 0-150m3/h;Lift: 60-120m;Power: 0.75-37kw;Rotate speed: 500-960r/min;Diameter: 20-135MM;Temperature: -15-200℃.
Ⅲ Model Meaning
Product parameters
Performance parameters at fixed rotate speed
Model
Flow(m3/h)
Pressure(Mpa)
Allowable maximum RPM (r/min)
Motor power(kw)
Net positive suction head(m)
Import flange diameter (mm)
Export flange diameter(mm)
Allowable particle size(mm)
Allowable fiber length (mm)
G20-1
0.8
0.6
960
0.75
4
25
25
1.5
25
G20-2
1.2
1.5
G25-1
2
0.6
960
1.5
40
32
2
30
G25-2
1.2
2.2
G30-1
5
0.6
960
2.2
50
40
2.5
35
G30-2
1.2
3
G35-1
8
0.6
960
3
65
50
3
40
G35-2
1.2
4
G40-1
12
0.6
960
4
80
65
3.8
45
G40-2
1.2
5.5
G50-1
14
0.6
720
5.5
4.5
100
80
5
50
G50-2
1.2
7.5
G60-1
22
0.6
720
11
5
125
100
6
60
G60-2
1.2
15
G70-1
38
0.6
720
11
150
125
8
70
G70-2
1.2
18.5
G85-1
56
0.6
630
15
150
150
10
80
G85-2
1.2
30
G105-1
100
0.6
500
30
200
200
15
110
G105-2
1.2
55
G135-1
150
0.6
400
45
250
250
20
150
G135-2
1.2
90
Performance parameters of single-stage, gear/electro-magnetic speed-adjustable motor plus with gear or stepless speed change motor plus with gear
Model
Pressure 0.3Mpa
Pressure 0.6Mpa
Adjustable RPM
RPM(r/min)
Flow(m3/h)
Motor power(kw)
RPM(r/min)
Flow(m3/h)
Motor power(kw)
RPM(r/min)
Flow(m3/h)
Motor power(kw)
G20-1
960
0.96
0.75-6 stage
960
0.8
0.75-6 stage
125～1250
0.1～1.5
1.1
720
0.8
0.55-8 stage
720
0.5
0.75-8 stage
510
0.4
0.55-4 stage/gear box
510
0.3
0.75-4 stage/gear box
G25-1
960
2.4
0.75-6 stage
960
2
1.5-6 stage
125～1250
0.1～3
1.5
720
1.5
0.55-8 stage
720
1.27
1.1-8 stage
510
1.08
0.55-4 stage/gear box
510
0.9
1.1-4 stage/gear box
G30-1
960
3.6
1.5-6 stage
960
3
2.2-6 stage
125～1250
0.2～4
2.2
720
2.28
1.1-8 stage
720
1.9
1.5-8 stage
510
1.63
1.1-4 stage/gear box
510
1.35
1.5-4 stage/gear box
G35-1
720
4.8
2.2-8 stage
720
4.04
3-8 stage
125～890
0.3～5
3
510
3.36
1.5-4 stage/gear box
510
2.8
2.2-4 stage/gear box
380
1.92
1.1-4 stage/gear box
380
1.60
1.5-4 stage/gear box
G40-1
510
6.8
2.2-4 stage/gear box
510
5.6
3-4 stage/gear box
125～890
0.3～10
4
380
5.1
1.5-4 stage/gear box
380
4
2.2-4 stage/gear box
252
2.65
1.1-6 stage/gear box
252
2.2
1.5-6 stage/gear box
G50-1
510
13.8
4-4 stage/gear box
510
11.5
5.5-4 stage/gear box
80～750
1～18
5.5
380
10.2
4-4 stage/gear box
380
7.5
5.5-4 stage/gear box
252
5.6
3-6 stage/gear box
252
4.4
5.5-6 stage/gear box
G60-1
510
20.8
7.5-4 stage/gear box
510
16
11-4 stage/gear box
63～630
1～20
11
380
15.6
7.5-4 stage/gear box
380
12
11-4 stage/gear box
252
7.8
5.5-6 stage/gear box
252
6
7.5-6 stage/gear box
G70-1
510
26
11-4 stage/gear box
510
20
11-4 stage/gear box
56～560
1～22
11
380
17
7.5-4 stage/gear box
380
13
11-4 stage/gear box
252
9.1
7.5-6 stage/gear box
252
7
7.5-6 stage/gear box
G85-1
380
32
11-4 stage/gear box
380
25
15-4 stage/gear box
37～370
2～24
15
252
21
7.5-6 stage/gear box
252
16
11-6 stage/gear box
189
11
5.5-8 stage/gear box
189
8
11-8 stage/gear box
G105-1
380
80
15-4 stage/gear box
380
65
22-4 stage/gear box
29～290
3～50
22
252
44
15-6 stage/gear box
252
34
22-6 stage/gear box
189
29
11-8 stage/gear box
189
22
15-8 stage/gear box
G135-1
380
132
37-4 stage/gear box
380
120
45-4 stage/gear box
18～180
3～56
45
252
95
30-6 stage/gear box
252
80
37-6 stage/gear box
189
65
18.5-6 stage/gear box
189
53
30-8 stage/gear box
Performance parameters of double-stage, gear/electro-magnetic speed-adjustable motor plus with gear or stepless speed change motor plus with gear
Model
Pressure 0.8Mpa
Pressure 1.2Mpa
Adjustable RPM
RPM(r/min)
Flow(m3/h)
Motor power(kw)
RPM(r/min)
Flow(m3/h)
Motor power(kw)
RPM(r/min)
Flow(m3/h)
Motor power(kw)
G20-2
960
0.96
1.5-6 stage
960
0.8
1.5-6 stage
125～1250
0.1～1.5
1.5
720
0.8
1.1-8 stage
720
0.5
1.5-8 stage
510
0.4
1.1-4 stage/gear box
510
0.3
1.1-4 stage/gear box
G25-2
960
2.4
1.5-6 stage
960
2
2.2-6 stage
125～1250
0.1～3
2.2
720
1.5
1.1-8 stage
720
1.27
1.5-8 stage
510
1.08
1.1-4 stage/gear box
510
0.9
1.5-4 stage/gear box
G30-2
960
3.6
3-6 stage
960
3
3-6 stage
125～1250
0.2～4
3
720
2.28
1.5-8 stage
720
1.9
2.2-8 stage
510
1.63
1.5-4 stage/gear box
510
1.35
2.2-4 stage/gear box
G35-2
720
4.8
3-8 stage
720
4.04
4-8 stage
125～890
0.3～5
4
510
3.36
2.2-4 stage/gear box
510
2.8
3-4 stage/gear box
380
1.92
1.5-4 stage/gear box
380
1.60
2.2-4 stage/gear box
G40-2
510
6.8
4-4 stage/gear box
510
5.6
5.5-4 stage/gear box
125～890
0.3～10
5.5
380
5.1
3-4 stage/gear box
380
4
4-4 stage/gear box
252
2.65
2.2-6 stage/gear box
252
2.2
3-6 stage/gear box
G50-2
510
13.8
5.5-4 stage/gear box
510
11.5
7.5-4 stage/gear box
80～750
1～18
7.5
380
10.2
4-4 stage/gear box
380
7.5
5.5-4 stage/gear box
252
5.6
3-6 stage/gear box
252
4.4
5.5-6 stage/gear box
G60-2
510
20.8
15-4 stage/gear box
510
16
15-4 stage/gear box
63～630
1～20
15
380
15.6
11-4 stage/gear box
380
12
15-4 stage/gear box
252
7.8
7.5-6 stage/gear box
252
6
11-6 stage/gear box
G70-2
510
26
15-4 stage/gear box
510
20
18.5-4 stage/gear box
56～560
1～22
18.5
380
17
11-4 stage/gear box
380
13
15-4 stage/gear box
252
9.1
11-6 stage/gear box
252
7
11-6 stage/gear box
G85-2
380
32
18.5-4 stage/gear box
380
25
22-4 stage/gear box
37～370
2～24
22
252
21
15-6 stage/gear box
252
16
18.5-6 stage/gear box
189
11
15-8 stage/gear box
189
8
15-8 stage/gear box
G105-2
380
80
30-4 stage/gear box
380
65
37-4 stage/gear box
29～290
3～50
37
252
44
30-6 stage/gear box
252
34
30-6 stage/gear box
189
29
22-8 stage/gear box
189
22
22-8 stage/gear box
G135-2
380
132
55-4 stage/gear box
380
120
75-4 stage/gear box
18～180
3～56
75
252
95
55-6 stage/gear box
252
80
75-6 stage/gear box
189
65
37-8 stage/gear box
189
53
45-8 stage/gear box
Performance parameters of single-stage and double-stage CWS working pump
Pump model
Flow(m3/h)
Working pressure(Mpa)
RPM (r/min)
Gear reduction supporting adjustable-speed motor (kw)
G30-2
～1
1.2
30～300
YCT160/4A-2.2
G35-2
～2
1.2
30～300
YCT160/4A-2.2
G40-2
～3
1.2
30～280
YCT160/4A-3
G50-1
～4.5
0.6
28～280
YCT180/4A-4
G50-2
～4.5
1.2
28～280
YCT200/4A-5.5
G60-1
～6.5
0.6
25～250
YCT200/4A-5.5
G60-2
～6.5
1.2
25～250
YCT200/4B-7.5
G70-1
～8
0.6
25～250
YCT200/4B-7.5
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