Koshin GB Series and GC Series are gear pumps. Designed for pumping oil fluids Sea water and chemicals Can be connected to a pipeline size from 13 mm. (1/2 ″) – 25 mm. (1 ″)
GC-13,GB-13,GC-20,GB-20,GC-25,GB-25
“Gear Pumps” Suitable for Water, Oil & Various Liquids Applications
Gear pump KOSHIN GB / GC Series is a gear pump in the GC Series is a brass gear suitable for kerosene, light oil, oil droplets, machinery and fuel oil, while GB Series is a steel gear suitable for liquid, sea water, weak acids and substances. Various chemistry Can be connected to pipes from 13 mm. (1/2 ″) to 25 mm. (1 ″)
| Model | GC-13 | GB-13 | GC-20 | GB-20 | GC-25 | GB-25 | |
| Gear Material | 20 mm (¾”) | ||||||
| Connection Dia | 7 m (23 ft) | 20 mm (¾”) | 25 mm (1″) | ||||
| Delivery Volume | Revolution: 200 rpm | 10 L/min (2 USG/min) | 18 L/min (4 USG/min) | 27 L/min (7 USG/min) | |||
| Revolution: 400 rpm | 21 L/min (5 USG/min) | 37 L/min (9 USG/min) | 55 L/min (14 USG/min) | ||||
| Revolution: 600 rpm | 32 L/min (8 USG/min) | 56 L/min (14 USG/min) | 83 L/min (22 USG/min) | ||||
| Delivery Pressure | 0.1 – 0.3 MPa (1 – 3 kg/cm2) | ||||||
| Syphoning Factor | 3 m (10 ft) | ||||||
| Power | 200 W | 400 W | 750 W | ||||
| Pulley | 125 × A1 | 150 × A1 | 200 × A1 | ||||
| Gross Weight | 17.5 kg (38.6 lbs) | 25 kg (55.1 lbs) | 22.5 kg (49.6 lbs) | ||||
| Dimensions LxWxH (mm) | 316 × 283 × 211 | 492 × 262 × 194 | 397 × 277 × 265 | ||||
| Packing Unit | 4 | 2 | |||||
| Model | A | L | B | C | D | D1 | H | H1 | H2 | H3 |
| GC-13/GB-13 | PS½ | 181 | 148 | 100 | 18 | 127 | 151 | 67 | 88 | 130 |
| GC-20/GB-20 | PS¾ | 201 | 165 | 130 | 20 | 152 | 179 | 78 | 103 | 153 |
| GC-25/GB-25 | PS1 | 247 | 204 | 142 | 22 | 203 | 230 | 91 | 129 | 191 |
| Model | F | J | I | K | E | G | E1 | N | M | P | S | Pulley |
| GC-13/GB-13 | 70 | 32 | 36 | 51 | 33 | – | – | 9 | 21 | 41 | 25 | A1 |
| GC-20/GB-20 | 97 | 36 | 58 | 30 | – | 23 | 258 | 9 | 25 | 50 | 25 | A1 |
| GC-25/GB-25 | 114 | 38 | 65 | 75 | – | 30 | 34 | 10 | 33 | 63 | 24 | A1 |
