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| Categories | Hydraulic Gear Pump |
|---|---|
| Brand Name: | Seric |
| Model Number: | HG Series |
| Certification: | CE, ISO |
| Place of Origin: | Guangzhou, China |
| MOQ: | 1 Piece |
| Price: | Negotiable |
| Payment Terms: | T/T,L/C,Western Union |
| Supply Ability: | 5000 |
| Delivery Time: | 1-15 days |
| Packaging Details: | Carton Box/Wooden Case |
| After Warranty Service: | Online Support |
| OEM: | Accept |
| Condition: | 100% Brand-new |
| Quality: | High-Quality |
| Application: | Industrial Machinery |
| Selling Units: | Single item |
| Company Info. |
| Guangzhou Seric Hydraulic Co., Ltd. |
| Verified Supplier |
| View Contact Details |
| Product List |
HG Series Double Pump Internal Gear Pump HG10 HG11 HG21 HG22
The double pump is composed of two single pumps assembled in series, with a common oil inlet and two oil outlets that can be fed to two independent circuits. According to the series combination of the two pumps, a variety of displacements can be obtained.
| HG | 2 | 1 | -100 | -63 | -01 | R | -V | P | C | -D |
| Pump type | Front pump series | Rear pump serial number | Front pump specifications | Rear pump specifications | Design number | Rotation direction (viewed from the shaft end) | Sealed form | Front pump shaft extension form | Flange installation form | New design |
| HG: Internal gear pump | 1: Displacement 25~63 2: Displacement 80~160 | 0: Displacement 5~20 1: Displacement 25~63 2: Displacement 80~160 | Displacement (mL/r): 25 32 40 50 63 80 100 125 145 160 | Displacement (mL/r): 5 8 10 13 16 20 25 32 40 50 63 80 100 125 145 160 | 01 | R: Clockwise | V: Fluororubber | P: Flat key shaft S: Spline shaft | C:SAE 2 hole | D |
1.Working medium
Petroleum-based mineral oil with a viscosity range of 10-300mm2/s can be used. ISO VG46 anti-wear hydraulic oil is recommended.
2.Working temperature
The working temperature range is -10℃-100℃. In order to ensure long-term reliable life, the best working temperature range is20℃-80℃.
3.Cleanliness control
The cleanliness level of the control system oil is required to be no more than 9 (NAS 1638) or 17/14 (ISO 4066).
4.Pump installation
When connecting the shaft and the motor, use a flexible coupling as much as possible to avoid bending moment or axial thrust. The maximum allowable coaxiality error between the shaft and the motor shaft is less than 0.15mm.
5. Inlet pressure and piping
Allow the absolute pressure of the suction port to be 0.2-2Bar. The reasonable piping diameter should not be smaller than the oil suction port of
the pump to ensure an average oil suction speed of 0.6-1.2m/s.
6. Import and export connection
Try to avoid hard connection of steel pipes in and out of the oil pipes. Rubber hoses are recommended to avoid additional noise caused by
additional loads.
7.Exhaust
Before the first operation, the pump should be filled with oil or an exhaust valve should be added to remove the air in the pump and the system pipeline. If there is air residue in the pump or pipelinelt will cause the vibration and noise of the pump, and indirectly affect the service life of
the pump.
8.Maintenance
In order to improve the service life of the pump, the system should be regularly checked for abnormal vibration, noise, oil temperature, whether there is bubble formation in the oil tank, and whether there is leakage and other problems, and timely maintenance.
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