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3525VQ High-speed, high-pressure vane pump

Key words:Hydraulic tools

Category:

VQ series high-speed and high-pressure vane pumps

E-mail:

xjylhmc@163.com

Tel:

+86-13968563323

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Related Products

Details

Specification

 

Series

Displacement code of the shaft-end pump

Displacement code of the cover-end pump

3525VQ

21、25、30、32、35、38、45

10、12、14、15、17、19、21、25

 

 

Model Code

 

Img

 

Installation and Use

 

1. During installation, the concentricity tolerance between the pump shaft and the motor must be less than 0.10 mm (TIR), the maximum allowable angular error must be less than 0.2 degrees, and a flexible coupling must be used; the pump shaft must not bear radial and axial loads; the bracket must be strong and rigid, and able to fully absorb vibration.
2. Set the suction pressure of the pump inlet: The recommended inlet pressure is 0 to 35 Kpa.
3. The oil should be kept clean, and the pipes and oil tank must be thoroughly cleaned; the cleanliness of the oil should be within the NSA12 range.
4. Normal pump operation (under rated conditions) is based on the use of SAE10W oil (or equivalent viscosity) within the range of 38℃ to 82℃.
5. Before starting the pump, check the inlet, outlet, and direction of rotation. After fixing the pump, manually rotate the pump shaft smoothly and flexibly. During the first start-up, if the pump does not pump immediately, air should be discharged from the pump's delivery pipeline.
6. For the first use, the pump body and oil suction pipe should be filled with oil, and the pump should not be operated without oil.
7. Do not start the pump when the outlet pressure is lower than the inlet pressure. This will cause operating noise and blade instability.
8. Cold start conditions: When operating SAE10W oil within the range of 860 to 40 cSt, the speed and pressure should be limited to 50% or less of their respective rated values until the system warms up. When the fluid viscosity is greater than 860 cSt, extreme care must be taken when starting the equipment, and attention should be paid to heating the entire system, including remote cylinders and motors.
9. At high temperatures, the viscosity should not be lower than 13 cSt, and the temperature should not exceed 99℃, because the expected life of the card air bag and elastomer will be reduced.

 

Installation connection dimensions

 

 

◎ Keyway shaft

 

Model

Shaft cooling

A

B

C

D

E

F Key
Width × Length

3525VQ

1

73.2

9.5

11.1

31.75/31.72

35.25/35.10

7.94×40

86

86.4

9.5

11.1

34.90/34.87

38.4/38.15

7.94×54

 

◎ Serration shaft

 

Model

Shaft cooling

A

 B

C

D

E

Serration data

Quantity
Number of teeth

Pitch

Major diameter
Minor diameter

Root width
Minor diameter

Matching
12/24

3525VQ

11

58.7

9.5

11.1

6.35

35.1

14

31.7/31.67

26.99/26.64

26.99/26.64

  

 

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Tel: +86-13968563323 / 13958514945

 

Add :

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Email : xjylhmc@163.com  / lindawu@chinayongling.com

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