Model :
DS-190Type :
Plunger PumpStroke :
4.5 Inches / 114.3 mmCylinder Diameter :
32-114mmFlow :
27.3-1408LPM/7.2-372GPMPressure :
5-68MPaShipping Port :
Shanghai Port, ChinaWarranty :
12 MonthsSpecifications:
| Design Standard | API-674, Third Edition |
| Configuration | Horizontal Triplex Plunger |
| Configuration | 3 |
| Continuous Duty | 150 BHP |
| Intermittent Duty | 190 BHP |
| Stroke Length | 4.5 Inches / 114.3 mm |
| Frame Load Rating | 12,000 lbs / 5443.2 kg |
| Pump Weight (Average) | 2,400 lbs / 1088.64 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 | 9Gallons / 34.07L |
| 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 | ||||
| DS19010 | 32 | 0.2714 | 68 | 27.3 | 53.0 | 83.3 | 90.8 | 94.6 | 109.8 |
| DS19012 | 38 | 0.3910 | 47 | 37.9 | 79.5 | 117.3 | 128.7 | 136.3 | 155.2 |
| DS19014 | 44 | 0.5322 | 34 | 53.0 | 106.0 | 159.0 | 174.1 | 185.5 | 212.0 |
| DS19016 | 51 | 0.6949 | 26 | 68.1 | 140.0 | 208.2 | 230.9 | 242.2 | 276.3 |
| DS19018 | 57 | 0.8796 | 21 | 87.1 | 177.9 | 265.0 | 291.4 | 306.6 | 352.0 |
| DS19020 | 64 | 1.0859 | 17 | 109.8 | 215.7 | 325.5 | 359.6 | 378.5 | 435.3 |
| DS19022 | 70 | 1.3138 | 14 | 132.5 | 261.2 | 393.6 | 435.3 | 461.8 | 526.1 |
| DS19024 | 76 | 1.5636 | 12 | 155.2 | 314.2 | 469.3 | 514.8 | 548.8 | 624.5 |
| DS19026 | 83 | 1.8350 | 10 | 185.5 | 367.1 | 548.8 | 605.6 | 643.5 | 734.3 |
| DS19028 | 89 | 2.1283 | 8 | 212.0 | 427.7 | 639.7 | 704.0 | 745.6 | 851.6 |
| DS19030 | 95 | 2.4432 | 8 | 246.0 | 488.3 | 734.3 | 806.2 | 855.4 | 976.5 |
| DS19032 | 102 | 2.7797 | 7 | 276.3 | 556.4 | 832.7 | 916.0 | 972.7 | 1112.8 |
| DS19034 | 108 | 3.1381 | 6 | 314.2 | 628.3 | 942.5 | 1037.1 | 1097.7 | 1256.6 |
| DS19036 | 114 | 3.5182 | 5 | 352.0 | 704.0 | 1056.0 | 1162.0 | 1230.1 | 1408.0 |
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 | ||||
| DS19010 | 1.25 | 0.0717 | 9800 | 7.2 | 14 | 22 | 22 | 25 | 29 |
| DS19012 | 1.5 | 0.1033 | 6800 | 10 | 21 | 31 | 31 | 36 | 41 |
| DS19014 | 1.75 | 0.1406 | 5000 | 14 | 28 | 42 | 42 | 49 | 56 |
| DS19016 | 2 | 0.1836 | 3800 | 18 | 37 | 55 | 55 | 64 | 73 |
| DS19018 | 2.25 | 0.2324 | 3000 | 23 | 47 | 70 | 70 | 81 | 93 |
| DS19020 | 2.5 | 0.2869 | 2400 | 29 | 57 | 86 | 86 | 100 | 115 |
| DS19022 | 2.75 | 0.3471 | 2000 | 35 | 69 | 104 | 104 | 122 | 139 |
| DS19024 | 3 | 0.4131 | 1700 | 41 | 83 | 124 | 124 | 145 | 165 |
| DS19026 | 3.25 | 0.4848 | 1480 | 49 | 97 | 145 | 145 | 170 | 194 |
| DS19028 | 3.5 | 0.5623 | 1200 | 56 | 113 | 169 | 169 | 197 | 225 |
| DS19030 | 3.75 | 0.6455 | 1100 | 65 | 129 | 194 | 194 | 226 | 258 |
| DS19032 | 4 | 0.7344 | 1000 | 73 | 147 | 220 | 220 | 257 | 294 |
| DS19034 | 4.25 | 0.8291 | 800 | 83 | 166 | 249 | 249 | 290 | 332 |
| DS19036 | 4.5 | 0.9295 | 750 | 93 | 186 | 279 | 279 | 325 | 372 |
Standard connection sizes:
| Pump Model | Suction (in) | Discharge(in) |
| DS19010-DS19016 | 3.0 | 1.5 |
| DS19018-DS19026 | 4.0 | 2.0 |
| DS19028-DS19036 | 6.0 | 3.0 |
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


Performance
The performance of a reverse osmosis pump directly impacts the operational effectiveness of the entire water purification system. In practical applications, insufficient pump pressure or unstable operation may lead to degraded water quality and even disrupt normal equipment functioning. Therefore, selecting a high-quality reverse osmosis pump is crucial. It must not only meet the system's fundamental pressure requirements but also demonstrate excellent adaptability to handle challenges posed by varying water quality conditions. Additionally, pump durability and ease of maintenance are key factors users should prioritize during selection. A reliable reverse osmosis pump maintains stable performance output over extended use while reducing failure rates and repair costs, delivering a more cost-effective solution for users.
Advantages
1. High-efficiency boosting capability ensures smooth reverse osmosis operation while meeting diverse pressure requirements across various scenarios.
2. Exceptional corrosion resistance withstands erosion from corrosive substances in water treatment processes, extending equipment lifespan.
3. Significant energy-saving design reduces operational costs by optimizing energy efficiency while minimizing environmental impact.
4. Outstanding stability and reliability maintain consistent performance output during prolonged operation, lowering failure rates.
5. Compact structure with minimal space requirements suits installation in diverse equipment, particularly in confined spaces.
6. Simple and user-friendly operation requires minimal training for quick mastery, lowering the learning curve.
7. Low maintenance costs with modular design and durable materials enabling easy and economical component replacement.
8. Superior environmental performance supports sustainable water treatment solutions by reducing wastewater discharge and enhancing energy efficiency.