Characteristics
General-purpose low-pressure pump widely applied from fuel to ordinary liquids. Highly durable, compact, light, and easy to handle.
▼KR-S-B Type Gear Pump With Bypass Circuit
KR-S Gear pump
Specifications / Shape dimension
| Type | Size （Rc） |
Max.Pre （kPa） |
50Hz | 60Hz | Motor | ||||
| Frow （l/mm） |
Rer （m-1） |
Frow （l/mm） |
Rer. （m-1） |
kW×P | Rer. (m-1） | ||||
| 50Hz | 60Hz | ||||||||
| KR-3S | 3/8 | 300 | 6 | 350 | 7 | 420 | 0.2×4 | 1410 | 1690 |
| KR-4S | 1/2 | 300 | 10 | 350 | 12 | 420 | 0.4×4 | 1400 | 1680 |
| KR-6S | 3/4 | 300 | 20 | 350 | 25 | 420 | 0.4×4 | 1400 | 1680 |
| KR-8S | 1 | 300 | 40 | 400 | 50 | 480 | 0.75×4 | 1450 | 1690 |
| Type | Pully | Motor Pully | V-Belt |
| KR-3S | 200 | 50 | A1×38 |
| KR-4S | 200 | 50 | A1×38 |
| KR-6S | 200 | 50 | A1×38 |
| KR-8S | 225 | 65 | A2×43 |
| Accessories | Motor Base Belt Cover V-Belt V-Pully |
| Type | A（Rc） | B | C | D | E | F | G | H | J | K | L | Mass (kg) | |
| KR-3S | 3/8 | 86 | 138 | 43 | 340 | 530 | 150 | 260 | 290 | 320 | 300 | 21 | |
| KR-4S | 1/2 | 100 | 144 | 53 | 340 | 530 | 123 | 260 | 290 | 320 | 300 | 25 | |
| KR-6S | 3/4 | 120 | 160 | 63 | 340 | 530 | 110 | 260 | 290 | 320 | 300 | 30 | |
| KR-8S | 1 | 160 | 196 | 73 | 340 | 540 | 92 | 280 | 310 | 340 | 320 | 43 | |
KR-S-B Gear Pump With Bypass Circuit
Specifications / Shape dimension
| Type | Size （Rc） |
Max.Pre （kPa） |
50Hz | 60Hz | Motor | ||||
| Frow （l/mm） |
Rer （m-1） |
Frow （l/mm） |
Rer. （m-1） |
kW×P | Rer. （m-1） | ||||
| 50Hz | 60Hz | ||||||||
| KR-3S-B | 3/8 | 300 | 6 | 350 | 7 | 420 | 0.2×4 | 1410 | 1690 |
| KR-4S-B | 1/2 | 300 | 10 | 350 | 12 | 420 | 0.4×4 | 1400 | 1680 |
| KR-6S-B | 3/4 | 300 | 20 | 350 | 25 | 420 | 0.4×4 | 1400 | 1680 |
| KR-8S-B | 1 | 300 | 40 | 400 | 50 | 480 | 0.75×4 | 1450 | 1690 |
| Type | Pully | Motor Pully | V-Belt |
| KR-3S-B | 200 | 50 | A1×38 |
| KR-4S-B | 200 | 50 | A1×38 |
| KR-6S-B | 200 | 50 | A1×38 |
| KR-8S-B | 225 | 65 | A2×43 |
| Accessories | KR Type Return Valve Pressure Gauge Syphon Cock |
| Type | A （Rc） |
B | C | D | E | F | G | H | J | K | L | M | N | Mass (kg) |
| KR-3S-B | 1/2 | 1/2 | 579 | 49 | 530 | 95 | 150 | 260 | 290 | 184 | 157 | 518 | 138 | 24 |
| KR-4S-B | 1/2 | 1/2 | 571 | 46 | 530 | 95 | 122 | 260 | 290 | 180 | 153 | 524 | 144 | 29 |
| KR-6S-B | 3/4 | 3/4 | 606 | 76 | 530 | 95 | 112 | 260 | 290 | 211 | 178 | 543 | 160 | 34 |
| KR-8S-B | 1 | 1 | 660 | 120 | 540 | 100 | 95 | 280 | 310 | 252 | 139 | 581 | 196 | 50 |
Download of DXF data
※ Download procedure
- Put the cursor on the model designation of the outline drawing you want to download, and click the right button of the mouse.
- Select “Save Target As (A)” on the menu.
- Select a location to save, and click “Save.”
※ Some security software does not permit downloading. If that happens, set the securities to “OFF” before downloading.