Modelo :
DW-325Tipo :
Plunger PumpAtaque :
4.5 Inches / 114.3 mmDiámetro del cilindro :
35-114mmFluir :
56.8-2346.7LPM/15-620GPMPresión :
6-58MPaPuerto de embarque :
Shanghai Port, ChinaGarantía :
12 MonthsSpecifications:
| Design Standard | API-674, Third Edition |
| Configuration | Horizontal Quintuple Plunger |
| Number of Plungers | 5 |
| Continuous Duty | 265 BHP |
| Intermittent Duty | 325 BHP |
| Stroke Length | 4.5 Inches / 114.3 mm |
| Frame Load Rating | 12,500 lbs / 5670 kg |
| Pump Weight (Average) | 4,500 lbs / 2041.2 kg |
| Intermittent Duty Speed Rating | 400 RPM |
| Continuous Duty Speed Rating | 330 RPM |
| Minimum Speed | 100 RPM |
| Mechanical Efficiency | 90% |
| Lubrication System | Splash, Gravity Return |
| Crankcase Oil Capacity | 16 Gallons / 60.56 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 | 350 | 400 | 425 | ||||
| DW32511 | 35 | 0.5473 | 58 | 56.8 | 109.8 | 166.5 | 181.7 | 193.0 | 219.5 |
| DW32512 | 38 | 0.6514 | 49 | 64.3 | 128.7 | 196.8 | 215.7 | 227.1 | 261.2 |
| DW32514 | 44 | 0.8868 | 36 | 87.1 | 177.9 | 265.0 | 291.4 | 310.4 | 355.8 |
| DW32516 | 51 | 1.1582 | 28 | 117.3 | 230.9 | 348.2 | 382.3 | 405.0 | 461.8 |
| DW32518 | 57 | 1.4659 | 21 | 147.6 | 295.2 | 439.1 | 484.5 | 514.8 | 586.7 |
| DW32520 | 64 | 1.8096 | 17 | 181.7 | 363.4 | 541.3 | 598.0 | 632.1 | 722.9 |
| DW32522 | 70 | 2.1896 | 14 | 219.5 | 439.1 | 658.6 | 722.9 | 764.6 | 874.3 |
| DW32524 | 76 | 2.6060 | 12 | 261.2 | 522.3 | 783.5 | 859.2 | 912.2 | 1040.9 |
| DW32526 | 83 | 3.0583 | 10 | 306.6 | 613.2 | 916.0 | 1010.6 | 1071.2 | 1222.6 |
| DW32528 | 89 | 3.5469 | 9 | 355.8 | 707.8 | 1063.6 | 1169.6 | 1241.5 | 1419.4 |
| DW32530 | 95 | 4.0719 | 8 | 408.8 | 813.8 | 1222.6 | 1343.7 | 1426.9 | 1627.6 |
| DW32532 | 102 | 4.6328 | 7 | 461.8 | 927.3 | 1389.1 | 1529.1 | 1620.0 | 1854.7 |
| DW32534 | 108 | 5.2301 | 6 | 522.3 | 1044.7 | 1570.8 | 1726.0 | 1831.9 | 2093.1 |
| DW32536 | 114 | 5.8633 | 6 | 586.7 | 1173.4 | 1760.0 | 1934.1 | 2051.5 | 2346.7 |
Performance Data:
| Pump Model |
Plunger Diameter (in) |
Displacement (GAL/REV) |
Maximum Pressure (PSI) |
Pump Capacity (GPM)@Input Speed (RPM) | |||||
| 100 | 200 | 300 | 350 | 400 | 425 | ||||
| DW32511 | 1.375 | 0.1446 | 8400 | 15 | 29 | 44 | 48 | 51 | 58 |
| DW32512 | 1.5 | 0.1721 | 7100 | 17 | 34 | 52 | 57 | 60 | 69 |
| DW32514 | 1.75 | 0.2343 | 5200 | 23 | 47 | 70 | 77 | 82 | 94 |
| DW32516 | 2 | 0.306 | 4000 | 31 | 61 | 92 | 101 | 107 | 122 |
| DW32518 | 2.25 | 0.3873 | 3100 | 39 | 78 | 116 | 128 | 136 | 155 |
| DW32520 | 2.5 | 0.4781 | 2500 | 48 | 96 | 143 | 158 | 167 | 191 |
| DW32522 | 2.75 | 0.5785 | 2100 | 58 | 116 | 174 | 191 | 202 | 231 |
| DW32524 | 3 | 0.6885 | 1800 | 69 | 138 | 207 | 227 | 241 | 275 |
| DW32526 | 3.25 | 0.808 | 1500 | 81 | 162 | 242 | 267 | 283 | 323 |
| DW32528 | 3.5 | 0.9371 | 1300 | 94 | 187 | 281 | 309 | 328 | 375 |
| DW32530 | 3.75 | 1.0758 | 1100 | 108 | 215 | 323 | 355 | 377 | 430 |
| DW32532 | 4 | 1.224 | 1000 | 122 | 245 | 367 | 404 | 428 | 490 |
| DW32534 | 4.25 | 1.3818 | 900 | 138 | 276 | 415 | 456 | 484 | 553 |
| DW32536 | 4.5 | 1.5491 | 800 | 155 | 310 | 465 | 511 | 542 | 620 |
Standard connection sizes:
| Pump Model | Suction (in) | Discharge(in) |
| DW32511-DW32518 | 4.0 | 2.0 |
| DW32520-DW32528 | 6.0 | 3.0 |
| DW32530-DW32536 | 8.0 | 4.0 |
Fluid cylinder materials:
| Fluid cylinder materials | Cast |
| Carbon Steel | Ductile Iron |
| Hi-Strength Carbon Alloy Steel | Aluminum Bronze |
| 304 / 316L / 17-4PH / 2205 / 2507 Stainless Steel |
*Special materials are available upon request

Engineering dimensional outline


Advantages
The advantages of chemical injection pumps lie in their high efficiency and reliability. First, these pumps maintain stable performance output under various complex operating conditions, excelling in tasks regardless of high temperatures, high pressures, or highly corrosive environments. Second, their design prioritizes operational convenience. Through the integration of modular structures and intelligent control systems, users can easily adjust parameters and monitor status, significantly enhancing work efficiency. Furthermore, the pump body employs advanced manufacturing techniques, ensuring durability during prolonged operation and reducing the need for frequent maintenance. Its energy-saving characteristics are also noteworthy; through optimized hydrodynamic design, energy consumption is minimized, delivering significant operational cost savings for users. These combined advantages establish chemical injection pumps as the preferred equipment across numerous industrial sectors, providing robust technical support for modern chemical production.
Company Profile
Elephant Machinery specializes in the R&D and manufacturing of reciprocating pumps, providing customers with high-quality fluid transfer solutions. Equipped with advanced production facilities and a professional team, the company offers customized products to ensure optimal pump performance in real-world applications. Its product line encompasses various injection pumps widely used in industries such as oil and gas, chemical processing, and more.
As an industry leader, Elephant Machinery prioritizes technological innovation and quality enhancement. Products undergo rigorous testing before shipment, guaranteeing stable and reliable performance. The company also provides comprehensive technical support and after-sales service, efficiently resolving equipment issues to earn customer trust.
Furthermore, Elephant Machinery monitors industry trends and continuously introduces innovations. Through collaborations with research institutions, it advances in materials science, sealing technology, and intelligent control systems, enhancing product competitiveness and creating greater value for customers. Moving forward, Elephant Machinery will uphold its commitment to excellence, delivering superior reciprocating pump solutions to global users.
