EW-440/446 Pump can be widely used in all kinds of works in oil field. When the cylinder liner specification is 6"-3 1/2", piston structure is recommended and it is suitable for Oil-Well Repair and shallow-well drilling, etc. When the cylinder liner specification is 3 1/4"-2", axial piston structure is recommended and it is suitable for high-pressure work.
Specifications
| Rated Input Power | Max. Stroke/minute | Stroke | Gear Ratio | Valve Pot | Max. Liner Dia. | Max.Operation Pressure |
|---|---|---|---|---|---|---|
| 328kw 440hp | 320 mm | 152.4mm (6") | 4.578:1 | API 4# | 6" | 35MPa |
| Suction Manifold | Discharge Manifold | Pinion Shaft | Key | Piston Rod | Dimension | Weight |
| 6" 150Flange | 3" 900 Flange | 95.25mm(3.75") | 22.174 x15.9mm | API SA-2 | 2479x1219x1103mm | 4463kg |
Performance
| Liner Size(in) | 6 | 5-1/2 | 5 | 4-1/2 | 4 | 3-1/2 | |
| Reated Pressure psi | 1027 | 1222 | 1479 | 1710 | 2169 | 2816 | |
| Pump Speed SPM | Input Power HP | Displacement, GPM | |||||
| 320 | 440 | 661 | 555 | 459 | 397 | 313 | 240 |
| 270 | 380 | 551 | 463 | 382 | 335 | 264 | 202 |
| 220 | 320 | 441 | 370 | 306 | 273 | 215 | 165 |
| 170 | 260 | 330 | 278 | 229 | 211 | 167 | 127 |
| 120 | 200 | 220 | 185 | 153 | 149 | 118 | 90 |
| 70 | 200 | 110 | 93 | 76 | 87 | 69 | 52 |
| Volume/Stroke, Gallons | 2.203 | 1.851 | 1.530 | 1.239 | 0.979 | 0.750 | |