HYLEMAN HG Series Internal Gear Pump Working
HYLEMAN HG series internal gear pump working
Features
HG Series Internal Gear Pump Working Principles
The HG series internal gear pump is a high-performance positive displacement pump designed for industrial hydraulics and precision applications. Here's a detailed breakdown of its working principles, key features, and applications:
1. Core Working Principle
The HG series operates on the internal gear pump mechanism, which involves two gears and a crescent-shaped spacer:
Components:
Outer Rotor (Internal Gear): A larger gear with internal teeth.
Inner Idler Gear: A smaller gear with external teeth, eccentrically positioned inside the outer rotor.
Crescent-Shaped Spacer: A stationary partition that separates the inlet and outlet ports and ensures fluid sealing during rotation
Process:
Fluid Intake: As the outer rotor rotates (driven by a motor), the inner idler gear rotates in the same direction. The separation of teeth at the inlet side creates expanding cavities, drawing fluid into the pump
Fluid Trapping: The crescent-shaped spacer isolates the inlet and outlet zones. Fluid is trapped in the cavities formed between the outer rotor, inner idler, and crescent
Fluid Transport: As rotation continues, the trapped fluid is carried around the pump casing toward the outlet.
Fluid Discharge: At the outlet side, the meshing of the gears reduces cavity volume, forcing fluid out under pressure
2. Key Features of HG Series
Gap Compensation: The pump uses a pressure-balanced design to automatically adjust the clearance between gears and the crescent, minimizing internal leakage and maintaining high volumetric efficiency (~95%) even under 315–350 bar pressures
Low Noise & Pulsation: Optimized sinusoidal gear profiles and precise meshing reduce pressure pulsation and noise levels (<70 dB), making it ideal for servo systems and noise-sensitive environments
Self-Priming Capability: Efficiently evacuates air from suction lines without external priming
High Viscosity Handling: Suitable for fluids ranging from 10–300 cSt, including hydraulic oils, lubricants, and shear-sensitive materials like adhesives
Modular Design: Available in single or double-pump configurations (HG0, HG1, HG2 series) for flexible integration into hydraulic systems
Model available
HG0 equal to PGH3, HG1 equal to PGH1, HG2 equal to PGH4, PGH5
Single pumps: HG0-8,10,13,16,20; HG1- 25, 32, 40, 50, 63; HG2-80,100,125,145,160
Double pumps: HG21,32, 31-( 25,32, 40, 50, 63, 80,100,125,145,160 ), ( 25,32, 40, 50, 63, 80,100,125,145,160 )
Detailed pictures
Model Description
| SIZE | DISP. cc/rev | PRESSURE bar | ROTATING SPEED r/min | |||
| Rated | Max | Max | Min | |||
| HG0-10-01R-VPC | 10 | 10 | 315 | 350 | 3000 | 600 |
| HG0-13-01R-VPC | 13 | 13.3 | 315 | 350 | 3000 | 600 |
| HG0-16-01R-VPC | 16 | 16 | 315 | 350 | 3000 | 600 |
| HG0-20-01R-VPC | 20 | 20 | 315 | 350 | 3000 | 600 |
| HG1-25-01R-VPC | 25 | 25.3 | 315 | 350 | 3000 | 200 |
| HG1-32-01R-VPC | 32 | 32.7 | 315 | 350 | 3000 | 200 |
| HG1-40-01R-VPC | 40 | 40.1 | 315 | 350 | 3000 | 200 |
| HG1-50-01R-VPC | 50 | 50.7 | 315 | 350 | 3000 | 200 |
| HG1-63-01R-VPC | 63 | 53.7 | 315 | 350 | 3000 | 200 |
| HG2-80-01R-VPC | 80 | 81.4 | 315 | 350 | 3000 | 200 |
| HG2-100-01R-VPC | 100 | 100.2 | 315 | 350 | 3000 | 200 |
| HG2-125-01-VPC | 125 | 125.3 | 315 | 350 | 3000 | 200 |
| HG2-160-01-VPC | 160 | 162.8 | 210 | 260 | 3000 | 200 |
More models:
|
HG0-8-01R-VPC |
HG0-10-01R-VPC |
HG0-13-01R-VPC |
HG0-16-01R-VPC |
|
HG1-25-01R-VPC |
HG1-32-01R-VPC |
HG1-40-01R-VPC |
HG1-50-01R-VPC |
|
HG1-63-01R-VPC |
HG0-20-01R-VPC |
HG2-80-01R-VPC |
HG2-100-01R-VPC |
|
HG2-125-01R-VPC |
HG2-160-01R-VPC |
HG21-80-25-01R-VPC |
HG22-160-80-01R-VPC |
|
HG10-63-20-01R-VPC |
HG10-63-16-01R-VPC |
HG10-63-13-01R-VPC |
HG10-63-10-01R-VPC |
|
HG10-63-8-01R-VPC |
HG10-50-8-01R-VPC |
HG10-40-8-01R-VPC |
HG10-32-8-01R-VPC |
|
HG10-50-20-01R-VPC |
HG10-50-16-01R-VPC |
HG10-50-13-01R-VPC |
HG10-50-10-01R-VPC |
|
HG10-40-20-01R-VPC |
HG10-40-16-01R-VPC |
HG10-40-13-01R-VPC |
HG10-40-10-01R-VPC |
|
HG10-32-20-01R-VPC |
HG10-32-16-01R-VPC |
HG10-32-13-01R-VPC |
HG10-32-10-01R-VPC |
|
HG10-25-20-01R-VPC |
HG10-25-16-01R-VPC |
HG10-25-13-01R-VPC |
HG10-25-10-01R-VPC |
|
HG10-25-8-01R-VPC |
HG11-63-25-01R-VPC |
HG11-63-63-01R-VPC |
HG11-63-50-01R-VPC |
|
HG11-50-50-01R-VPC |
HG11-50-40-01R-VPC |
HG11-63-40-01R-VPC |
HG11-63-32-01R-VPC |
|
HG11-50-32-01R-VPC |
HG11-50-25-01R-VPC |
HG21-160-25-01R-VPC |
HG21-125-25-01R-VPC |
|
HG21-160-63-01R-VPC |
HG21-160-50-01R-VPC |
HG21-160-40-01R-VPC |
HG21-160-32-01R-VPC |
|
HG21-125-63-01R-VPC |
HG21-125-50-01R-VPC |
HG21-125-40-01R-VPC |
HG21-125-32-01R-VPC |
|
HG21-80-63-01R-VPC |
HG21-80-50-01R-VPC |
HG21-80-40-01R-VPC |
HG21-80-32-01R-VPC |
|
HG22-160-160-01R-VPC |
HG22-160-125-01R-VPC |
HG22-160-100-01R-VPC |
|
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