KOSHIN Gear Pump Series
KOSHIN Gear Pump GC Series is a rotary gear pump designed for stable transfer of oil, diesel fuel, lubricants, hydraulic oil, and other non-corrosive liquids in industrial and commercial applications. Known for its compact design, strong suction performance, durable construction, and continuous-duty operation, the GC Series is widely used for fuel transfer, lubrication systems, machinery circulation, workshop equipment, and industrial liquid handling systems.
In addition to KOSHIN products, PT Mega Daya Industri also supplies various industrial dosing pump brands, including Yuema Gear Pump to support a wide range of industrial and chemical dosing applications. We provide reliable dosing pump solutions designed for precise chemical injection, water treatment, wastewater processing, and industrial fluid handling requirements. For detailed specifications, pricing information, or models beyond those listed, please contact our team for further assistance and product consultation.
| Model | Connection Diameter (mm) | Max. Pressure (kgf/cm2) |
|---|---|---|
| Koshin Gear Pump GB-13 — 1/2″ | 13 mm (½”) | 3 kg/cm2 |
| Koshin Gear Pump GB-20 — 3/4″ | 13 mm (½”) | 3 kg/cm2 |
| Koshin Gear Pump GB-25 — 1″ | 20 mm (¾”) | 3 kg/cm2 |
| Koshin Gear Pump GC-13 — 1/2″ | 20 mm (¾”) | 3 kg/cm2 |
| Koshin Gear Pump GC-20 — 3/4″ | 25 mm (1″) | 3 kg/cm2 |
| Koshin Gear Pump GC-25 — 1″ | 25 mm (1″) | 3 kg/cm2 |
| Koshin Gear Pump GL-13-5 — 1/2″ | 13 mm (½”) | 5 kg/cm2 |
| Koshin Gear Pump GL-13-10— 1/2″ | 13 mm (½”) | 10 kg/cm2 |
| Koshin Gear Pump GL-20-5 — 3/4″ | 20 mm (¾”) | 5 kg/cm2 |
| Koshin Gear Pump GL-20-10 — 3/4″ | 20 mm (¾”) | 10 kg/cm2 |
| Koshin Gear Pump GL-25-5 — 1″ | 25 mm (1″) | 5 kg/cm2 |
| Koshin Gear Pump GL-25-10 — 1″ | 25 mm (1″) | 10 kg/cm2 |
| Koshin Gear Pump GL-32-5 — 1 1/4″ | 32 mm (1¼”) | 5 kg/cm2 |
| Koshin Gear Pump GL-32-10 — 1 1/4″ | 32 mm (1¼”) | 10 kg/cm2 |
| Koshin Gear Pump GL-40-5 — 1 1/2″ | 40 mm (1½”) | 5 kg/cm2 |
| Koshin Gear Pump GL-40-10 — 1 1/2″ | 40 mm (1½”) | 10 kg/cm2 |
| Koshin Gear Pump GL-50-5 — 2″ | 50 mm (2″) | 5 kg/cm2 |
| Koshin Gear Pump GL-50-10 — 2″ | 50 mm (2″) | 10 kg/cm2 |

