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Structure
This pump uses a gear with teeth named lunary (patented), and rotates in conformity to continuous one-point contact. The conventional one-point contact gear (segmental gear, sinusoidal gear, etc.) is based on correction of the theoretical curve, so the slippage ratio tends to increase. However, the lunary gear provides a highly durable pump with small slippage ratio because an ideal closed curve is gained from a theoretical straight line and ellipse.
Features
- Pulsation and noise are extremely limited due to lack of confinement.
- This pump is effectively used for highly viscous oil due to no cavitation.
- It has the durability thanks to the use of a patented lunary gear.
- The shaft input is low and it's economical.
| Model / Item |
Theoretical displacement
cm3/rev |
Theoretical discharge L/min |
Max. pressure |
| 1000min-1 |
1200min-1 |
1500min-1 |
1800min-1 |
MPa |
| GPL-150 |
150 |
150 |
180 |
225 |
270 |
1.0 |
| GPL-200 |
200 |
200 |
240 |
300 |
360 |
1.0 |
| GPL-250 |
250 |
250 |
300 |
375 |
*(450) |
1.0 |
Please contact us if you want to use the pump based on the specifications marked with asterisks (＊).
Please use these pumps for oil with lubricity. [viscosity 56～ 2,000mm2/s] |
