External gear oil pumpCBHY-G/F Double-Stage Gear Oil Pump

It employs asymmetric‑tooth double‑module gears, an axial automatic compensation mechanism, and radial hydraulic balancing, ensuring high volumetric efficiency and superior reliability of the oil pump.

The housing is made of high-strength, wear-resistant cast iron, providing excellent load-bearing capacity.

Employing self-lubricating bearings to enhance the pump’s load-carrying capacity.

Multi‑stage pump with large‑displacement and small‑displacement pumps connected in series across different series

The input shaft coupling can be configured with a flat key or a rectangular spline. SAE Involute spline