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DLY Submerged Multistage Pump_Stage Submerged Pump Manufacturer
Submerged multi-stage pump is a new type of oil gathering pump used in oil fields. Its characteristics are small footprint, easy field installation, a
Product details
1、 Overview of Multi stage Submerged Pump
Submerged multi-stage pump is a new type of oil gathering pump used in oil fields. Its characteristics are small footprint, easy field installation, and convenient operation and maintenance. This series of pumps can fully meet the current needs of oil field oil collection and discharge of dirty oil and sewage.
The DLY submersible multi-stage pump is used to transport crude oil and oil-water mixed media collected from oil wells and oil stations, and is also suitable for use in oil pipelines. It can meet the needs of oil production plants, chemical plants, refineries and other units to transport various oils and fats, and can also be used to transport clean water and similar media.
2、 Performance range of DLY vertical submersible multi-stage pump
Flow range: 5-300m3/h Head range: 15-300m Viscosity range: 0-60cst (Centimeter) Medium temperature: 0-200 degrees
3、 VerticalMulti stage submersible pumpcharacteristic
（2） The multi-stage submersible pump product is a vertical single suction multi suction segmented centrifugal pump. The DLY pump has a suction inlet located at the bottom and vertically downward, and a discharge outlet arranged horizontally at the center.
This series of pumps has the advantages of small size, small footprint, low noise, no radial force generated during radial guide vane operation, stable operation, high efficiency, and few exposed parts.
（3） Multi stage submersible pump transmission
The multi-stage submersible pump is driven by an outdoor vertical explosion-proof motor installed on the motor frame through a coupling, and the pump rotates counterclockwise when viewed from the motor end.
（4） Multi stage submersible pump shaft seal
The multi-stage submersible pump adopts a packing seal with a low-pressure outlet shaft structure, which is safe, reliable, and leak free.
（5） Underwater multi-stage pump bearings and balancing device
The upper part of the pump shaft is supported by double row radial thrust ball bearings, and the lower part of the pump shaft is supported by wear-resistant alloy sliding bearings. The axial force of the pump is balanced by the balance drum or balance hole, and the residual axial force is,
Supported by the upper bearing. The upper bearing is lubricated with grease or thin oil, while the sliding bearing is lubricated by the conveyed medium.
（6） The material of the multi-stage submersible pump can be selected according to different media of the user, such as ductile iron QT600-3 stainless steel 1Cr18Ni9Ti or cast iron HT200.
Performance parameter table of DLY submersible multi-stage pump
| model | Flow rate m3/h | Head m | Speed r/min | Motor power kw | Pump efficiency% |
| DLY6-15×1 | 6 | 15 | 2950 | 2.2 | 45 |
| DLY6-15×2 | 6 | 30 | 2950 | 2.2 | 45 |
| DLY6-15×3 | 6 | 45 | 2950 | 2.2 | 45 |
| DLY6-15×4 | 6 | 60 | 2950 | 3 | 45 |
| DLY6-15×5 | 6 | 75 | 2950 | 4 | 45 |
| DLY6-15×6 | 6 | 90 | 2950 | 4 | 45 |
| DLY6-15×7 | 6 | 105 | 2950 | 5.5 | 46 |
| DLY6-15×8 | 6 | 120 | 2950 | 5.5 | 46 |
| DLY6-15×9 | 6 | 135 | 2950 | 7.5 | 46 |
| DLY6-15×10 | 6 | 150 | 2950 | 7.5 | 46 |
| DLY6-15×11 | 6 | 165 | 2950 | 7.5 | 46 |
| DLY6-15×12 | 6 | 180 | 2950 | 7.5 | 46 |
| DLY12-15×1 | 12 | 158 | 2950 | 3 | 52 |
| DLY12-15×2 | 12 | 30 | 2950 | 3 | 52 |
| DLY12-15×3 | 12 | 45 | 2950 | 4 | 52 |
| DLY12-15×4 | 12 | 60 | 2950 | 5.5 | 52 |
| DLY12-15×5 | 12 | 75 | 2950 | 7.5 | 52 |
| DLY12-15×6 | 12 | 90 | 2950 | 7.5 | 54 |
| DLY12-15×7 | 12 | 105 | 2950 | 7.5 | 54 |
| DLY12-15×8 | 12 | 120 | 2950 | 11 | 54 |
| DLY12-15×9 | 12 | 135 | 2950 | 11 | 54 |
| DLY12-15×10 | 12 | 150 | 2950 | 11 | 54 |
| DLY12-15×11 | 12 | 165 | 2950 | 15 | 54 |
| DLY25-25×12 | 12 | 180 | 2950 | 15 | 54 |
| DLY25-25×1 | 25 | 25 | 2950 | 7.5 | 62 |
| DLY25-25×2 | 25 | 50 | 2950 | 7.5 | 62 |
| DLY25-25×3 | 25 | 75 | 2950 | 11 | 62 |
| DLY25-25×4 | 25 | 100 | 2950 | 15 | 62 |
| DLY25-25×5 | 25 | 125 | 2950 | 18.5 | 62 |
| DLY25-25×6 | 25 | 150 | 2950 | 22 | 62 |
| DLY25-25×7 | 25 | 175 | 2950 | 22 | 62 |
| DLY25-25×8 | 25 | 200 | 2950 | 30 | 62 |
| DLY25-25×9 | 25 | 225 | 2950 | 30 | 62 |
| DLY50-25×1 | 50 | 25 | 2950 | 11 | 68 |
| DLY50-25×2 | 50 | 50 | 2950 | 15 | 68 |
| model | Flow rate m3/h | Total head m | Speed r/min | Motor power kw | Pump efficiency% |
| DLY50-25×3 | 50 | 75 | 2950 | 18.5 | 68 |
| DLY50-25×4 | 50 | 100 | 2950 | 30 | 68 |
| DLY50-25×5 | 50 | 125 | 2950 | 30 | 68 |
| DLY50-25×6 | 50 | 150 | 2950 | 37 | 68 |
| DLY50-25×7 | 50 | 175 | 2950 | 45 | 68 |
| DLY50-25×8 | 50 | 200 | 2950 | 55 | 68 |
| DLY50-25×9 | 50 | 225 | 2950 | 55 | 68 |
| DLY80-20×1 | 80 | 20 | 2950 | 15 | 70 |
| DLY80-20×2 | 80 | 40 | 2950 | 18.5 | 70 |
| DLY80-20×3 | 80 | 60 | 2950 | 22 | 70 |
| DLY80-20×4 | 80 | 80 | 2950 | 30 | 70 |
| DLY80-20×5 | 80 | 100 | 2950 | 37 | 70 |
| DLY80-20×6 | 80 | 120 | 2950 | 45 | 70 |
| DLY80-20×7 | 80 | 140 | 2950 | 55 | 70 |
| DLY80-20×8 | 80 | 160 | 2950 | 75 | 70 |
| DLY80-20×9 | 80 | 180 | 2950 | 75 | 70 |
| DLY80-20×10 | 100 | 200 | 2950 | 75 | 70 |
| DLY100-30×1 | 100 | 30 | 1450 | 18.5 | 72 |
| DLY100-30×2 | 100 | 60 | 1450 | 30 | 72 |
| DLY100-30×3 | 100 | 90 | 1450 | 45 | 72 |
| DLY100-30×4 | 100 | 120 | 1450 | 55 | 72 |
| DLY100-30×5 | 100 | 150 | 1450 | 75 | 72 |
| DLY100-30×6 | 100 | 180 | 1450 | 90 | 72 |
| DLY100-30×7 | 100 | 210 | 1450 | 110 | 72 |
| DLY100-30×8 | 100 | 240 | 1450 | 110 | 72 |
| DLY150-20×1 | 150 | 20 | 1450 | 3022 | 75 |
| DLY150-20×2 | 150 | 40 | 1450 | 30 | 75 |
| DLY150-20×3 | 150 | 60 | 1450 | 45 | 75 |
| DLY150-20×4 | 150 | 80 | 1450 | 75 | 75 |
| DLY150-20×5 | 150 | 100 | 1450 | 75 | 75 |
| DLY150-20×6 | 150 | 120 | 1450 | 90 | 75 |
| DLY150-20×7 | 150 | 140 | 1450 | 90 | 75 |
| DLY150-20×8 | 150 | 160 | 1450 | 110 | 75 |
| DLY150-20×9 | 150 | 180 | 1450 | 132 | 75 |
| DLY150-20×10 | 150 | 200 | 1450 | 132 | 75 |
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