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Home>Products>Sumitomo Gear Pump>Marine Qt4322-20-4f Industrial Sumitomo Gear Pump

  • Marine Qt4322-20-4f Industrial Sumitomo Gear Pump

Marine Qt4322-20-4f Industrial Sumitomo Gear Pump

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Product Description

Features:

1 Low noise, the maximum noise is less than 65db(A).

 2 long life.

3 Good anti-pollution. 

4 The pressure pulsation is small.

5 strong self-absorption. 

6 Widely used in various hydraulic systems.


Contact Us:

We are an independent hydraulic company that stocks new genuine Bosch Rexroth Pump & motors. We stock Atos, Yuken, Uchida and Nachi Piston Pump. To ensure the highest-quality hydraulic pump and motor repair or remanufactured unit, We stay up-to-date with the latest diagnostic and assembly and test equipment. 

If you have any problems please contact us by emailing a675991295@163.com


QT2222-4-4-A
QT2222-4-5-A
QT2222-4-6.3-A
QT2222-5-4F
QT2222-5-5-A
QT2222-6.3-4F
QT2222-6.3-6.3-A
QT2222-8-4F
QT2222-8-6.3F
QT2222-8-8-A
QT2323-4-4-A
QT2323-5-5-A
QT2323-6.3-6.3-A
QT2323-6.3-6.3MN-S1162-A
QT2323-8-8-A
QT2323-9-9MN-S1160-A
QT3222-10-4F
QT3222-10-5F
QT3222-10-6.3F
QT3222-10-8F
QT3222-12.5-4F
QT3222-12.5-5F
QT3222-12.5-6.3F
QT3222-12.5-8F
QT3222-16-4F
QT3222-16-5F
QT3222-16-6.3F
QT3222-16-8F
QT3223-10-4F
QT3223-10-5F
QT3223-10-6.3F
QT3223-10-8F
QT3223-12.5-4F
QT3223-12.5-5F
QT3223-12.5-6.3F
QT3223-12.5-8F
QT3223-16-4F
QT3223-16-5F
QT3223-16-6.3F
QT3223-16-8F
QT4123-40-4F
QT4123-40-5F
QT4123-40-6.3F
QT4123-40-8F
QT4123-50-4F
QT4123-50-5F
QT4123-50-6.3F
QT4123-50-8F
QT4123-63-4F
QT4123-63-5F
QT4123-63-6.3F
QT4123-63-8F
QT4222-20-4F
QT4222-20-5F
QT4222-20-6.3F
QT4222-20-8F
QT4222-25-4F
QT4222-25-5F
QT4222-25-6.3F
QT4222-25-8F
QT4222-31.5-4F
QT4222-31.5-5F
QT4222-31.5-6.3F
QT4222-31.5-8F
QT4222-25-6.3F-S1010-A
QT4222-25-6.3-S1010-A
QT4223-20-4F
QT4223-20-5F
QT4223-20-6.3F
QT4223-20-8F
QT4223-25-4F
QT4223-25-5F
QT4223-25-6.3F
QT4223-25-8F
QT4223-31.5-4F
QT4223-31.5-5F
QT4223-31.5-6.3F
QT4223-31.5-8F
QT4223-31.5-6.3-A
QT4232-20-10F
QT4232-20-12.5F
QT4232-20-16F
QT4232-25-10F
QT4232-25-12.5F
QT4232-25-16F
QT4232-31.5-10F
QT4232-31.5-12.5F
QT4232-31.5-16F
QT4233-20-10F
QT4233-20-12.5F
QT4233-20-16F
QT4233-25-10F
QT4233-25-12.5F
QT4233-25-16F
QT4233-31.5-10F
QT4233-31.5-12.5F
QT4233-31.5-16F
QT4242-25-20F
QT4242-31.5-20F
QT4242-31.5-25F
QT4242-31.5-31.5-S1010A
QT4243-31.5-20F-A 
QT4322-20-4F
QT4322-20-5F
QT4322-20-6.3F
QT4322-20-8F
QT4322-25-4F
QT4322-25-5F
QT4322-25-6.3F
QT4322-25-8F
QT4323-31.5-5F
QT4323-31.5-6.3F
QT4323-31.5-8F


Description:

1. Double internal gear pump QT hydraulic oil: Please use hydraulic oil with viscosity grade equivalent to ISOVG4668 above 70kg/cm. High pressure recommended anti-wear hydraulic oil with ISOVG4668 viscosity class. Use anti-combustible hydraulic oil (water glycol, phosphate ester, W/O emulsion, etc.), consult our company, use hydraulic fluid must be clean, prevent foreign matter or water from mixing, hydraulic oil discoloration layered, white air bubbles If mixed, the working fluid has deteriorated and the working hydraulic oil must be replaced.

2. QT viscosity and oil temperature of dual internal gear pump: The recommended working viscosity is 20 to 500 cSt (mm/s) and the operating temperature is 0 to 60℃.

3. QT oil filter for dual internal gear pump: 150 μm oil filter on the suction side, 25 μm oil filter on the oil discharge side, and use of magnetic oil filters, etc., to increase service life.

4. Installation of double-internal gear pump QT pump: The suction port of the pump is set to suck oil on the side. The connection between the drive shaft of the pump and the motor shaft adopts elastic coupling or chain coupling. The eccentricity error is not more than 0.05mm. The pump drive shaft can not bear any radial vertical force, and the lateral drive modes such as belts, chains and gears are prohibited. The coupling can be freely assembled on the pump drive shaft.

5, Double internal gear pump QT with the connection tubing: All tubing connected to the pump port are flanged. The suction side diameter should be within 1.5m/s and the negative pressure should not exceed -0.3kgf/cm. It should be selected as short as possible.

6. Double-internal gear pump QT start: Before starting the pump, lubricate the sliding surface and the pump body is filled with working oil. When the pump is started, the pump must be depressurized, and the pump must be started and stopped repeatedly to exhaust the air in the pump body and the suction pipe.

7. Definition of double-internal gear pump QT steering: always viewed from the shaft end, the standard steering is clockwise.

8. The definition of the maximum pressure of the QT of the double internal gear pump is that the maximum pressure is 1/3 of one cycle and the continuous time is controlled within 20 seconds.



Product Categories
Hydraulic Piston Pump Hydraulic Gear Pump Hydraulic Vane Pump
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