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Our company long term supply Japan original imported SUMITOMO gear pumps. welcome for your inquiry!

Kunshan Keles Automation technology limited company is the agent of Japan SUMITOMO , 

SUMITOMO pump SUMITOMO gear pump

The use of attention to matters

Hydraulic oil

Please use the viscosity grade and ISOVG46 ~ 68 equivalent hydraulic oil. High pressure recommended viscosity grades and ISOVG46 ~ 70kg/cm2 above 68 considerable antiwear hydraulic oil. The use of fire resistant hydraulic oil (water glycol,phosphate, W/O emulsion etc.), please consult the company, the hydraulic oil must be clean, to prevent foreign or mixed with water, hydraulic oil color layering, white bubblemixed working fluid, then metamorphosed, working fluid must be replace.

The viscosity and temperature

The recommended operating viscosity is 20 ~ 500cSt (mm2/s), the working temperature is 0 degrees C degrees C ~ 60.

Oil pressure

Please use the -0.3kgf/cm2 ~ +0.3kgf/cm2 range, (above 0.3kgf/cm2, please use thehigh pressure oil seal).

Oil filter

Oil filter 150 mu m set suction side, oil filter 25 m with the oil discharge side, and the use of magnetic oil filter, and can increase the service life.

Pump installation

Pedestal mounted pump should have sufficient rigidity.

Pump suction port on the side to the suction.

The drive shaft of the pump and motor shaft connected by elastic coupling or chain coupling, eccentric error is not more than 0.05mm, the pump drive shaft can not bearany radial vertical force, lateral belt, chain, gear drive way to prohibit the use of.

Coupling in the pump drive shaft can freely assemble.

Mating tubing

With the pump port matching all tubing are used flange connection.

The suction side diameter according to flow rate less than 1.5m/s, the negative pressure is not more than -0.3kgf/cm2 selection, and as short as possible.

Start

Before starting the pump in the sliding surface of the lubricating oil inside the pump body work, filled with oil.

The pump must make the pump pressure relief starter, repeated start, stop, pump body and the oil suction pipe from the air.

Turning to the definition of

Always viewed from shaft end, standard to clockwise direction.

Define the highest pressure

The highest pressure using accounted for one cycle of 1/3, continuous time control in 20 seconds or less.

QT22-4F 
QT22-5F 
QT22-6.3F 
QT22-8F 
QT23-4F 
QT23-5F 
QT23-6.3F 
QT23-8F 
QT31-20F 
QT31-25F 
QT31-31.5F 
QT32-10F 
QT32-12.5F 
QT32-16F 
QT33-10F 
QT33-12.5F 
QT33-16F 
QT41-40F 
QT41-50F 
QT41-63F 
QT42-20F 
QT42-25F 
QT42-31.5F 
QT43-20F 
QT43-25F 
QT43-31.5F 
QT51-80F 
QT51-100F 
QT51-125F 
QT52-40F 
QT52-50F 
QT52-63F 
QT53-40F 
QT53-50F 
QT53-63F 
QT61-160F 
QT61-200F 
QT61-250F 
QT62-80F 
QT62-100F 
QT62-125F 
QT63-80F 
QT63-100F 

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 
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 
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 
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 
QT4322-31.5-4F 
QT4322-31.5-5F 
QT4322-31.5-6.3F 
QT4322-31.5-8F 
QT4323-20-4F 
QT4323-20-5F 
QT4323-20-6.3F 
QT4323-20-8F 
QT4323-25-4F 
QT4323-25-5F 
QT4323-25-6.3F 
QT4323-25-8F 
QT4323-31.5-4F 
QT4323-31.5-5F 
QT4323-31.5-6.3F 
QT4323-31.5-8F 
QT5133-80-10F 
QT5133-80-12.5F 
QT5133-80-16F 
QT5133-100-10F 
QT5133-100-12.5F 
QT5133-100-16F 
QT5133-125-10F 
QT5133-125-12.5F 
QT5133-125-16F 
QT5143-80-20F 
QT5143-80-25F 
QT5143-80-31.5F 
QT5143-100-20F 
QT5143-100-25F 
QT5143-100-31.5F 
QT5143-125-20F 
QT5143-125-25F 
QT5143-125-31.5F 
QT5223-40-4F 
QT5223-40-5F 
QT5223-40-6.3F 
QT5223-40-8F 
QT5223-50-4F 
QT5223-50-5F 
QT5223-50-6.3F 
QT5223-50-8F 
QT5223-63-4F 
QT5223-63-5F 
QT5223-63-6.3F 
QT5223-63-8F 
QT5242-40-20F 
QT5242-40-25F 
QT5242-40-31.5F 
QT5242-50-20F 
QT5242-50-25F 
QT5242-50-31.5F 
QT5242-63-20F 
QT5242-63-25F 
QT5242-63-31.5F 
QT5243-40-20F 
QT5243-40-25F 
QT5243-40-31.5F 
QT5243-50-20F 
QT5243-50-25F 
QT5243-50-31.5F 
QT5243-63-20F 
QT5243-63-25F 
QT5243-63-31.5F 
QT5333-40-10F 
QT5333-40-12.5F 
QT5333-40-16F 
QT5333-50-10F 
QT5333-50-12.5F 
QT5333-50-16F 
QT5333-63-10F 
QT5333-63-12.5F 
QT5333-63-16F 
QT6123-160-4F 
QT6123-160-5F 
QT6123-160-6.3F 
QT6123-160-8F 
QT6123-200-4F 
QT6123-200-5F 
QT6123-200-6.3F 
QT6123-200-8F 
QT6123-250-4F 
QT6123-250-5F 
QT6123-250-6.3F 
QT6123-250-8F 
QT6143-160-20F 
QT6143-160-25F 
QT6143-160-31.5F 
QT6143-200-20F 
QT6143-200-25F 
QT6143-200-31.5F 
QT6143-250-20F 
QT6143-250-25F 
QT6143-250-31.5F 
QT6153-160-40F 
QT6153-160-50F 
QT6153-160-63F 
QT6153-200-40F 
QT6153-200-50F 
QT6153-200-63F 
QT6153-250-40F 
QT6153-250-50F 
QT6153-250-63F 
QT6222-80-4F 
QT6222-80-5F 
QT6222-80-6.3F 
QT6222-80-8F 
QT6222-100-4F 
QT6222-100-5F 
QT6222-100-6.3F 
QT6222-100-8F 
QT6222-125-4F 
QT6222-125-5F 
QT6222-125-6.3F 
QT6222-125-8F 
QT6253-80-40F 
QT6253-80-50F 
QT6253-80-63F 
QT6253-100-40F 
QT6253-100-50F 
QT6253-100-63F 
QT6253-125-40F 
QT6253-125-50F 
QT6253-125-63F 
QT2222-5-4F 
QT2222-6.3-4F 
QT2222-8-4F 
QT2222-8-6.3F 
QT4242-25-20F 
QT4242-31.5-20F 
QT4242-31.5-25F 
QT5252-50-40F 
QT5252-63-40F 
QT5252-63-50F 
QT6262-100-80F 
QT6262-125-80F 
QT6262-125-100F