Model :
DW-400Type :
Plunger PumpStroke :
3.8 Inches / 95 mmCylinder Diameter :
45-70mmFlow :
136.3-5280.1LPM/36-1395GPMPressure :
21-50MPaShipping Port :
Shanghai Port, ChinaWarranty :
12 MonthsSpecifications:
| Design Standard | API-674, Third Edition |
| Configuration | Horizontal quintuple Plunger |
| Number of Plungers | 5 |
| Continuous Duty | 422 BHP |
| Intermittent Duty | 500 BHP |
| Stroke Length | 3.8 Inches / 95 mm |
| Frame Load Rating | 21,186 lbs / 9630 kg |
| Pump Weight (Average) | 5,825 lbs / 2648 kg |
| Intermittent Duty Speed Rating | 400 RPM |
| Continuous Duty Speed Rating | 350 RPM |
| Minimum Speed | 100 RPM |
| Mechanical Efficiency | 90% |
| Lubrication System | Splash, Gravity Return |
| Lubrication System (Optional) | Pressurized |
| Crankcase Oil Capacity | 38 Gallons / 143.83 L |
| Lube Oil Type | SAE30 |
| Fluid Temperature Range | -20~350°F/-28~176°C |
| Valve Type | Disc Valve / Wear-resistant Valve |
Performance Data (Metric):
| Pump Model | Plunger Diameter (mm) |
Displacement (L/REV) |
Maximum Pressure (MPa) |
Pump Capacity (LPM)@Input Speed (RPM) | |||||
| 100 | 200 | 300 | 330 | 350 | 400 | ||||
| DW40001 | 45 | 0.758 | 50 | 76 | 152 | 227 | 250 | 265 | 303 |
| DW40002 | 50 | 0.928 | 41 | 95 | 190 | 284 | 306 | 325 | 371 |
| DW40003 | 55 | 1.127 | 34 | 114 | 227 | 341 | 371 | 394 | 451 |
| DW40004 | 60 | 1.34 | 28 | 133 | 265 | 397 | 443 | 469 | 538 |
| DW40005 | 65 | 1.5 | 25 | 160 | 314 | 473 | 519 | 553 | 629 |
| DW40006 | 70 | 1.82 | 21 | 182 | 352 | 549 | 602 | 640 | 731 |
Performance Data:
| Pump Model |
Plunger Diameter (in) |
Displacement (GAL/REV) |
Maximum Pressure (PSI) |
Pump Capacity (GPM)@Input Speed (RPM) | |||||
| 100 | 200 | 300 | 330 | 350 | 400 | ||||
| DW40001 | 1.8 | 0.2 | 7250 | 20 | 40 | 60 | 66 | 70 | 80 |
| DW40002 | 2 | 0.245 | 5920 | 25 | 50 | 75 | 81 | 86 | 98 |
| DW40003 | 2.2 | 0.2975 | 4880 | 30 | 60 | 90 | 98 | 104 | 119 |
| DW40004 | 2.4 | 0.355 | 4090 | 35 | 70 | 105 | 117 | 124 | 142 |
| DW40005 | 2.6 | 0.415 | 3490 | 42 | 83 | 125 | 137 | 146 | 166 |
| DW40006 | 2.8 | 0.4825 | 3000 | 48 | 93 | 145 | 159 | 169 | 193 |
Standard connection sizes:
| Pump Model | Suction (in) | Discharge(in) |
| DW4001 | 3.5 | 1.8 |
| DW4002 | 3.6 | 2 |
| DW4003 | 4.0 | 2.2 |
| DW4004 | 4.5 | 2.3 |
| DW4005 | 4.7 | 2.5 |
| DW4006 | 5.0 | 2.7 |
Fluid cylinder materials:
| Fluid cylinder materials | Cast |
| Carbon Steel | N/A |
| Hi-Strength Carbon Alloy Steel | |
| 304 / 316L / 17-4PH / 2205 / 2507 Stainless Steel |
*Special materials are available upon request

Engineering dimensional outline

