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HVP-40-140
Product characteristics
(1) high sensitivity: pilot oil control mode, flow quickly follow the change of working conditions;
(2) Low noise: adopt shockproof and sound insulation mechanism, through the special three-point support of the control piston and the offset piston, effectively eliminate the vibration under high pressure, and run quietly;
(3) High pressure: High-quality materials and special pressure control mechanism and forced balance mechanism are used to make the pressure run effectively and smoothly under 14MPa.
Specification drawing
Application field of motor pump group
Oil pump selection
1, to determine whether the use of variable vane pump pressure pulsation is small, high volumetric efficiency, flow to follow the pressure change;
2. Determine the pressure, flow, noise, and temperature rise. Determine the pressure and flow parameters of the oil pump according to the power and speed of the system, and consider the noise and temperature rise requirements;
3. Check the installation size to determine the connection mode of the oil pump and the motor, and check the installation size of the oil pump:
4, determine the color appearance of black, green, silver, phosphating and other colors to choose from, indicate the color requirements
5. Special requirements indicate the special requirements for oil pumps and their accessories, such as all copper;
6. Order code Order code = parameter code/installation method/color/special requirements;
Example: 91010504/Spline/Black/All Copper
Notes on the use of oil pump
※ installation
The concentricity of the pump and motor installation shaft is controlled within 0.1mm, and the angle error is less than 0.2 degrees;
※ Piping
Oil suction piping: for the self-priming vane pump, the distance between the oil suction port and the liquid surface is less than 1 m;
Oil drain pipe: the back pressure of the oil drain shall not exceed 0.5bar, and the length shall not exceed 1 m;
※ exhaust
When it is put into use for the first time, the motor should be started repeatedly under no pressure to remove the air in the oil and suction.
Precautions for the use of hydraulic oil
1. Selection of hydraulic oil
recommend below 70bar Use hydraulic oil with viscosity of 30-50cst(ISOVG-32) at 40 ℃ recommend above 70bar Use hydraulic oil with viscosity of 50-70cst(1SOVG-68) at 40 ℃
2. Oil temperature range
In order to ensure long-term reliable operation of the system, the working oil temperature is controlled at 15-60 ℃
3. Oil cleanliness
Always install a suitable filter unit in the equipment system, and regularly replace the cleaning filter element.
4. Oil replacement cycle
Regular oil change method: the time for the equipment to replace the hydraulic oil for the first time is half a year, and the oil change method is visually inspected once a year: when the oil turns black or Milky White, the oil should be replaced in time. Sampling and testing method: regular sampling and testing of oil to determine whether its performance indicators meet the standards, not up to standard immediately replaced, suitable for key equipment and large equipment
Performance parameter test environment
1. Hydraulic oil ISOVG-32, motor 4P
2. Temperature rise standard: room temperature 30 ℃,60L oil tank, oil temperature rise during continuous operation
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Xuancheng taixin hydraulic technology co., ltd
Mr. Hu：13736658222/18857616666
Mr. Mo：13906865260/13605862555
Tel：0576-86941999
Fax：0576-86914400
Add：No. 10 Park Avenue, Xinfa Town Industrial Park, Langxi County, Xuancheng City, Anhui Province
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