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T6DC Pin Vane Pumps with High Pressure

Key words:

VANE PUMP
T6
T7
HYDRAULIC PUMP
This product use float side panel, vane of dowel pin structure, technics of double-edged vane and wholly new low noise technology cure to process stator. Compared with other dosing vane pump, its advantages are: ● High working pressure - it can reduce the size of hydraulic actuator ,control valves and tubing, which makes for cutting the cost, you can also extend its working life by lowering the working pressure. ● High efficiency - both volumetric and mechanical efficiency are higher than 94%,so it helps to raise productivity, reduce heating and running cost. ● Smaller pressure fluctuation - it will reduce the noise of tubing and extend operating life of other hydraulic element. ● High fouling resistance -using vane of double lips structure provides high fouling resistance and long operation life ● Low noise - the vane structure of dowel pin which can decrease the force on the stator which comes from vane efficiently. We also adopt wholly new low noise technology stator, so it produces little noise. And the T*L series pumps with thicker body make for reducing mechanical amp litude and lower noise. ● Wide speed range - combining pump core which has large displacement with smaller pump body to produce large displacement pumps with low noise. In particular, this series of products is suitable for cutting machinery plastic machinery, leather machinery, pressing machinery, engineering machinery, metallurgical machinery and so on.

Details

Specifications

 

SpecificationPC
Specification
Displacement
q i
Min SpeedMax SpeedMax Pressure
HF-0
HF-1
HF-2
HF-3
HF-4
HF-5
HF-0, HF-2HF-1, HF-4, HF-5HF-3
IntermittentContinuousIntermittentContinuousIntermittentContinuous
mL/rr/minr/minr/minBarBarBarBarBarBar
T6DC00310.860022001800275240

 

210

 

175

175

 

140

 

00517.0
00621.2
00826.2
01034.0
01237.0
01446.0
01758.0
02063.5
02270.0
02579.0
02889.0210160160
031100.0
T6DC01444.0250210240210
01755.0
02066.0
02270.3
02581.1
02890.0
03199.2
035113.4
038120.6
042137.5
045145.7210175
050158.0210160160
 
Note: HF-0, HF-2 = Anti-wear Hydraulic Oil
HF-1 = General Hydraulic Oil
HF-3 = Oil-in-water emulsion
HF-4 = Water-glycerol liquid
HF-5 = Synthetic hydraulic fluid (phosphate esters, etc.)

 

 

Model Code

 

 

 

Installation and Use

 

Initial Startup ChecksCheck the accuracy of design and installation of hydraulic station:
Make the distance between inlet and outlet as long as possible.
The pipe orifice of inlet and outlet should be slope and the section eagle should be greater than or equal to
45° , in order to increase passage section ,slower velocity, recommend velocity in inlet is between 0.5m/s and
1.9m/s. and in outlet is below6m/s.
Confirm the oil ports are below the oil level in fuel tank in the worst-case scenario (example: all of hydraulic
cylinder pistons are extending to the extreme position),
Specifications of the air filter should be threes greater than the maximum return flow.
Set the release valve for exhaust on oil returning pipe; and you can also slightly loosen the joint of pump outlet
to vent until there are no bubbles in the oil spill, then you can tighten the joint to produce the same effect.
Notice: This method is suitable for low pressure and you should make sure the pressure will not rise.

 

Initial start:
Check the accuracy of the location of oil ports.
Pump should vent well when injecting oil.
Inching running the pump for a few seconds, and you should loosen the relief valve on the outlet to reach the
minimum pressure.
Do not drive the pump in a high speed and pressure before the check is over.

 

Shaft&Coupling
Coupling&spline hole
Coupling spline hole should be able to float and automatically, such as coupling halves are rigid coupling, the
different axis is less than 0.15mm (TIR), in order to reduce wear and inclination angle of two spline axis deviation
<±0.05/25.4mm;
Spline hole must be lubricated by molybdenum disulfide lithium-based grease or other similar grease.
Coupling demand heat treatment to reach the hardness of 29~45HRC.
The specification of spline hole should meet the one-level standards in SAE-J498b(1971) ,as the coordination is
flat root and lateral teeth.


Flat spline shaft
T7, T67 and T6 series vane pumps provide a high strength key, hence you must use it when installing or
changing the pump , or you can use a new key whose hardness is 27~34HRC and edge angle is 0.8~1x45° to
avoid the circular angle in the key slot when it'necessary to change keys.


The load of shaft
The construction of requirement of flat spline shaft is the same to the spline shaft’s.
This series products is only allowed to bear transmission load, do not apply radial and axial load.

 

Hydraulic Fluid
Classification Of Hydraulic Fluid
HF-0、HF-2:anti-wear hydraulic oil
HF-1: common hydraulic oil
HF-3: water in oil emulsion
HF-4: water-glycol hydraulic fluid
HF-5: synthetic hydraulic fluid

Recommended hydraulic Oil
We recommend anti-wear hydraulic oil for all the highest rated working parameter and performance parameter are based on the test using the anti-wear hydraulic.


Other Hydraulic Oil
When using other hydraulic oil, you should lower the Max. rated operating parameters of pump. in some situations, you have to raise the min. pressure of the inlet, and you can see related sections for details.


Viscosity
Uppermost Viscosity (cold start mode, low speed and press.r.....….................................860cSt
Uppermost Viscosity (full speed and high presss.............................................................108cSt
Best viscosity ( longest working time)...............................................................................30cSt
Minimum viscosity ( full speed and high pressure , for HF-1、HF-3、HF-4HF-5..............18St
Minimum viscosity ( full speed and high pressure , for HF-0、HF-2).................................18St
 

Viscosity Index
The lowest index: 90V.L. high index can extent operating temperature range but it can also shorten the life of working liquid.

 

Operating Temperature
the operating temperature mainly depends on viscosity ,also it’s related to seal material, and for standard seals , its range is from -30℃ to 90℃。
 

Max. Temperature
HF-0、HF-1、HF-2................+100℃
HF-3、HF-4...........................+50℃
HF-5.......................................+70℃
Biodegradable hydraulic oil (organic grease and rapeseed oil-based grease)...+100℃

 

Min. liquid temperature (also depends on Max.viscosity)
HF-0、HF-1、HF-2、HF-5........-18℃
HF-3、HF-4...............................+10℃
Biodegradable hydraulic oil(organic grease and rapeseed oil-based greas....-20℃

 

Operating temperature and Viscosity
Operating temperature depends on the viscosity, variety of working liquid and property of pump. Usually ,we used the most suitable viscosity. And when the hydraulic pump cold start, drive it in conditions of low speed and low pressure to heat up the liquid to a suitable temperature, then operate it under full power.


Cleanliness of working fluid
Solid contamination level of oil is required to be lower than level 8 in NAS1618 (or ISO 18/14) and you can use the filter whose filtrate precision is 25 μm(orβ≥100)
Solid contamination level should meet the need of Min.suction pressure. Recommended filter screen100 mesh (149μm), and you’d better enlarge the filter size or remove filter when the system demand cold start or using fire resistant oil.

 

Water pollution of working fluid
Mineral oil-based grease.....................................................................................0.1%
Synthetic hydraulic fluid crank case oil and biodegradable hydraulic fli..............0.05%
The system demand dehydration when moisture content is too high.

 

Install Connection Dimensions

 

 

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