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DS-70 Reverse Osmosis Booster Plunger Pump

DS-70 Reverse Osmosis Booster Plunger Pump

The DS-70 reverse osmosis booster pump is a single acting high pressure triplex plunger reciprocating pump.
  • Model :

    DS-70
  • Type :

    Plunger Pump
  • Stroke :

    3.0 Inches / 75 mm
  • Cylinder Diameter :

    12-21mm
  • Flow :

    2.5-32LPM/0.66-8.4GPM
  • Pressure :

    280MPa
  • Shipping Port :

    Shanghai Port, China
  • Warranty :

    12 Months

The DS-70 pump is a single-acting triplex reciprocating plunger pump independently designed, developed, and manufactured by our company, incorporating advanced domestic and international technologies. It offers customizable liquid end and power end designs with various materials and structural configurations to accommodate different medium compositions in application scenarios. Multiple structural options are available, including built-in reduction gear or external gearbox configurations.

 

Configurable forced lubrication system, oil temperature alarm, oil pressure alarm, flow/pressure monitoring, and vibration-sensing intelligent feedback unattended operation system. Available with hydraulic, electric motor, or diesel engine drive options.

 

Specifications:

Design Standard  API-674, Third Edition
Configuration Horizontal Triplex Plunger
Number of Plungers 3
Continuous Duty   74 BHP
Intermittent Duty 100 BHP
Stroke Length 3.0 Inches / 75 mm
Frame Load Rating 6974 lbs / 3170 kg
Pump Weight (Average) 770 lbs / 350 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
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)
100 200 300 330 500 600
DS7001 12 0.025 280 2.5 5 7.7 8.4 8.9 10.2
DS7002 13.5 0.032 220 3.4 6.4 10.2 11.3 11.9 13
DS7003 15 0.0397 180 4.2 8.4 12.5 13.6 14.8 16
DS7004 16.5 0.047 150 4.8 9.6 14 15.9 16.7 19
DS7005 18.5 0.059 120 6 12.1 18.2 20 21.2 24
DS7006 21 0.079 90 8 15.5 23.5 25 27.3 32

 

Performance Data:

Pump
Model
Plunger
Diameter
(in)
Displacement
(GAL/REV)
Maximum
Pressure
 (PSI)
Pump Capacity (GPM)@Input Speed (RPM)
100 200 300 330 500 600
DS7001 0.48 0.00675 40600 0.66 1.32 2.04 2.22 2.34 2.7
DS7002 0.54 0.00855 31900 0.9 1.7 2.7 2.97 3.15 3.42
DS7003 0.6 0.0105 26100 1.1 2.2 3.3 3.6 3.9 4.2
DS7004 0.66 0.0126 21750 1.26 2.52 3.78 4.2 4.4 5.04
DS7005 0.74 0.01575 17400 1.6 3.2 4.8 5.3 5.6 6.3
DS7006 0.84 0.021 13050 2.1 4.1 6.2 6.8 7.2 8.4

 

Standard connection sizes:      

Pump Model Suction (in) Discharge(in)
DS7001 0.65 0.28
DS7002 0.72 0.3
DS7003 0.8 0.33
DS7004 0.9 0.36
DS7005 1 0.4
DS7006 1.1 0.5

                                  

Fluid cylinder materials:

 Fluid cylinder materials  Cast
 Carbon Steel  N/A
Fluid cylinder materials
304 / 316L / 17-4PH / 2205 / 2507 Stainless Steel

                                                                                       *Special materials are available upon request

 

                                            

 

Function

Reverse osmosis pumps play a crucial role in water purification systems. They not only provide the necessary driving force for the entire system but also directly impact the quality and efficiency of the treated water output. Through their high pressure output capability, reverse osmosis pumps ensure water molecules pass through the membrane elements with sufficient pressure, enabling effective filtration of impurities, dissolved salts, and microorganisms. In seawater desalination, the reverse osmosis pump is particularly critical. By maintaining a stable high-pressure environment, it enables efficient desalination of seawater to produce compliant freshwater. The pump's performance directly determines desalination capacity and water quality, making its reliability and efficiency indispensable, especially in large-scale projects. Furthermore, in industrial water treatment, reverse osmosis pumps help eliminate harmful substances from water, ensuring safe water usage in production processes while reducing equipment wear caused by poor water quality. In residential and commercial applications, these pumps optimize the operation of water purification systems, enhancing the purity and taste of drinking water to deliver a healthier lifestyle experience. This process ensures the final purified water meets stringent sanitary standards, fulfilling users' demand for high-quality drinking water.

 

Engineering dimensional outline

 

Company Profile  

Elephant Machinery have workshops for raw material cutting, welding, metalworking, assembly, and painting. We have more than 100 sets of production equipment. Our annual output reaches 5,000 reciprocating pumps.From the external housing to the internal components, we insist on independent processing to ensure that every link is controllable and traceable. Nanjing Marketing Center has professional domestic sales, foreign trade and market teams. We actively participate in various exhibitions, communicate with domestic and foreign customers, and work together to expand the market. After-sales service starts from the date of order delivery and lasts until the service life of the equipment. In the domestic market, we have established cooperative relationships with leading enterprises in the oil and gas industry, including CNPC,  Sinopec, CNOOC, ZPEC , SJ Serva, KERUI, and Xindi Energy. Additionally, we have collaborated with BOMCO to develop intelligent unmanned systems for oilfield applications. In the global market, we have forged valuable partnerships with national oil and pipeline companies such as SPC, KPC and BAPCO, as well as numerous distributors. These distributors have adopted our reciprocating pumps in oilfields across the Middle East, Russia, Africa, and South America. Meanwhile, we are working with SERTECPET, a leading oil & gas equipment company in South America, to jointly develop unmanned pump skids for water injection.

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