45VQ Vane Pumps with High Speed and High Pressure

VQ Series vane pumps with high performance and high pressure which designed for constraction machinery especially for mobile machinery. Features:

1.Designed by intra-vane structure, reduce the vane pressure to rotor, makes stable performance and longer life in high speed and pressure.

2.To adopt folating structure for side plate,will do a compensation for end-face clearance by automatic,makes high speed and high pressure which can up to 21 MPa.

3.The plate is made of dual-metal material, improved the seizure resistance. Complete displacement,composite structure and high pricise spare parts allows convenient maintenance.

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Specifications

Model

Displacement
Code

Geometric
Displacement
mL/r

Antiwear oil or
Phosphate ester fluid

Weight
kg

Max. pressure
MPa

Max. speed
r/min

45VQ

42

134

17.5

2400

34

45

142

2200

50

156

57

180

60

189

66

208

16

75

237

14

 

Note: ①When the working fluid is phosphate ester fluid, it uses special sealing (FPM), Prefix [F-] to the specified model when ordering.

②The outlet pressure must always be higher than the inlet pressure.

Model Code

Installation and Use

1. In installation, the tolerance of concentricity between shaft of pump and motor must be less than 0.10mm(TIR) and the maximum permissible angle error is less than 0.2 degrees by using the flexible coupling; The pump shaft shall not bear the radial and axial load ; The carrier must be firm with good rigidity and can fully absorb vibrations.

2. Set the suction pressure at pump inlet port : Recommended inlet pressure is 0 to 35Kpa.

3. Oil should be kept clean, pipes and tanks must be thoroughly cleaned; The cleanness level of oil should be within NSA12.

4. Nomal pump operation(at rated conditions)is based on the use of SAE10W oil in the 38 ℃ to 82℃ range (or comparable viscosities)

5. Check the inlet, outlet and direction of rotation before starting the pump. Turn the shaft of pump evenly and nimbly by hand after fixing the pump. At the time of first-starting ,if the pump does not immediately prime , air should be bled from the pump delivery line .

6. When first put into use, the pump body and oil suction pipeline should be filled with oil, and the pump shall not be allowed to operate without oil.

7. Do not start the pump when the outlet pressure is lower than the inlet pressure. This will cause work noise and blade instability.

8. Cold start condition:When operating SAE10W oil in the 860 to 40 cSt range, the speed and pressure should be limited to 50% or less of their respective rated values until the system has warmed up. Extreme caution must be used when starting units when fluid viscosity are greater than 860 cSt, Care should be exercised to warm up the entire system, including remote cylinders and motors.

9. At high temperature, viscosities must not be less than 13cSt, Temperatures should not exceed 99 ℃ because the expectancy of cartridge kite and elastomers will decrease

Install Connection Dimensions

Form of shaft

◎Str. Key shaft                                                                                                                                                 ◎Spline shaft

◎Str. Key shaft

 

Model

Cold of shaft

A

B

C

D

E

F Key
width×Length

45VQ

1

62

12.7

14.2

31.75/31.70

35.25/35.10

7.94×28.5

86

87.4

12.7

14.2

38.075/38.05

42.4/42.25

9.54×50.8

 

◎ Spline shaft

 

Model

Cold of shaft

A

B

C

D

E

Spline Data

Number
of Teeh

Pitch

Major
Diameter

Minor
Diameter

Flast root
fit

45VQ

11

61.9

12.7

14.3

9.7

39.6

14

12/24

31.7/31.67

26.99/26.64

Large
diameter fit

Leave a MessageIf you have any questions about our machine, please do not hesitate to contact us.

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