VQ Series High Speed And Pressure Intra-Vane Pumps

VQ series high speed and pressure intra-vane pumps meet the vehicle. These pumps have high pressure. Large capacity, compact size, low noise level and longer service life features, their main technical data have reached to the advanced level of the same product in the world. They are widely used in hydraulic systems for machine-tools , presses, die casting machine, engineering, plastic injection moulding and other machineries

Model Code

**VQ * -* -* ** *

Series

Geometric Displacement code Of single pump or shaft End pump of double pump

Geometric displacement code of cover end pump of double pump

Shaft type
1- Standard
86-Heavy duty
11 151 174 splined

outlet position(viewed form cover end of pump)
-*P2outlet position of double pump
*-P1 outlet position of double pump

Rotation (Viewed from shaft)
L-left hand,omit for right hand

VQ Series Single Pumps

Series Displacement Code Geometric displacement mL/r V series Weight(kg)
Max. speed(rpm)

Max pressure(MPa)
20VQ 2 7 2700 14 12
3 11.7 21
4 15
5 18
6 19
7 22
8 27
9 30
10 33
11 36
12 40 16
14 45 14
25VQ 10 33 2700 21 14.8
12 40
14 45
17 55 2500
19 60
21 67
35VQ 21 67 2500 21 22.7
25 81
30 97
35 112 2400
38 121
45VQ 42 138 2200 17.5 34
45 147
50 162
57 180
60 193
66 208
75 237 14

VQ Series Double Pumps

Series Displacement code of shaft end pump Displacement code of cover end pump
2520VQ 10、12、14、17、19、21 2、3、4、5、6、7、8、9、10、11、12、14
2525VQ 10、12、14、17、19、21 10、12、14、17、19、21
3520VQ 21、25、30、35、38 2、3、4、5、6、7、8、9、10、11、12、14
3525VQ 21、25、30、35、38 10、12、14、17、19、21
4520VQ 42、45、50、57、60、66、75 2、3、4、5、6、7、8、9、10、11、12、14
4525VQ 42、45、50、57、60、66、75 10、12、14、17、19、21
4535VQ 42、45、50、57、60、66、75 21、25、30、35、38

VQ Series Single Pump Installation Dimension (mm)

Series Q L M N R S W T V
20VQ 156 133 63.5 101.6 55.4 76.2 175 146 14.2
25VQ 162 121 38 101.6 63.5 76.2 175 146 14.2
35VQ 185 125 38 127 69.9 82.6 213 181 17.5
45VQ 216 153 43 127 82.6 93.7 213 181 17.5

Series H E J A B D P P1 K F
20VQ 132 13 47.5 22.2 35.7 69.9 38.1 19 3/8≦-16UNC-2B〜19 1/2≦-13UNC-2B〜21
25VQ 118 13 69.9 35.7 26.2 52.4 38.1 25.4 1/2≦-13UNC-2B〜22.3 3/8≦-16UNC-2B〜19
35VQ 140 16 77.8 42.9 30.2 58.7 50.8 31.8 1/2≦-13UNC-2B〜23.8 7/16≦-14UNC-2B〜22.3
45VQ 159 16 106.4 61.9 35.7 69.9 76.2 38.1 5/8≦-11UNC-2B〜22.3 1/2≦-13UNC-2B〜23.8

Inlet port is set to be C position

V Series Double Pump Installation Dimension (mm)

Inlet port is to be C position.
Position A*,B*,C*or d*at 45<is P2 outlet except series 2525VQ and 4535VQ.

Series A B C P1 E F G P J P2 L
2520VQ 50.8 26.2 12.7 25.4 52.4 101.6 9.53 63.5 88.9 19.1 14.2
2525VQ 50.8 26.2 12.7 25.4 52.4 101.6 9.53 63.5 88.9 25.4 14.2
3520VQ 62 30.1 15.9 31.7 58.7 127 9.53 76.2 106.3 19.1 17.5
3525VQ 62 30.1 15.9 31.7 58.7 127 9.53 76.2 106.3 25.4 17.5
4520VQ 69.9 35.7 15.9 38.1 69.9 127 12.7 88.9 120.6 19.1 17.5
4525VQ 69.9 35.7 15.9 38.1 69.9 127 12.7 88.9 120.6 25.4 17.5
4535VQ 77.8 35.7 15.9 38.1 69.9 127 12.7 101.6 130.2 31.7 17.5

Series M N O Q R S T U X Y Z
2520VQ 76.2 88.1 101.6 38.1 76.2 250 85.3 146.1 174.7 22.2 47.6
2525VQ 76.2 97.5 101.6 38.1 76.2 263 85.3 146.1 174.7 26.2 52.4
3520VQ 76.2 99.6 114.3 38.1 82.6 273.3 84 181 213 22.2 47.6
3525VQ 74.7 109.5 114.3 38.1 82.6 287.3 88.9 181 213 26.2 52.4
4520VQ 76.2 102 119.4 42.9 93.7 303.5 88.9 181 213 22.2 47.6
4525VQ 74.7 136 119.4 42.9 93.7 325 102.4 181 213 26.2 52.4
4535VQ 101.6 148.3 133.3 42.9 93.7 353 102.4 181 213 30.2 58.7

Series a b c
252*VQ 1/2≦-13UNC-2B〜23.8 3/8≦-16UNC-2B〜19.05 3/8≦-16UNC-2B〜19.05
352*VQ 5/8≦-11UNC-2B〜28.5 7/16≦-14UNC-2B〜22.2 3/8≦-16UNC-2B〜19.05
452*VQ 5/8≦-11UNC-2B〜31.75 1/2≦-13UNC-2B〜23.8 3/8≦-16UNC-2B〜19.05
4535*VQ 5/8≦-11UNC-2B〜31.75 1/2≦-13UNC-2B〜23.8 7/16≦-14UNC-2B〜22.3

VQ Series Pump Shaft Type

Series Shaft Type A B D E F(key)Width〜Length
20VQ 1 59 9.53 22.23 24.5/24.4 4.75〜32
25VQ
2520VQ
1 59 9.53 22.23 24.5/24.4 4.75〜32
25VQ
252*VQ
86 78 9.53 25.37 28.3/28.1 6.36〜50.8
35VQ
352*VQ
1 73.2 9.53 31.75 35.36/35.10 7.94〜38.1
86 86 9.53 34.75 38.6/38.3 7.94〜54
45VQ
45**VQ
1 62 12.7 31.75 35.36/35.10 7.9〜28.5
86 87.4 12.7 38.07 42.4/42.1 9.53〜50.8

Series Shaft Type A B E Spline Data
20VQ 151 41.1 9.53 27.8 A
25VQ
2520VQ
11 44.5 9.53 27.8 A
252*VQ 174 59.9 9.53 29.2 B
35VQ
352*VQ
11 58.7 9.53 35.1 C
45VQ
45**VQ
11 61.9 12.7 39.6 C

Spline Data

Number of Teeth

Pitch

Major Diameter Form Diameter Minor Diameter Suitable Fit
A 13 16/32 22.17
22.15
19.03 18.63
18.35
Major Diameter Fit
B 14 12/24 31.22
31.11
27.48 27.0
26.7
Side Fit
C 14 12/24 31.7
31.67
27.2 26.99
26.64
Major Diameter Fit

 

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