DHP 6.3 Axial Piston Pump - High-Efficiency Water Treatment Consumables for Industrial Reverse Osmosis (8000h Life)

Product Details:

Place of Origin: China
Brand Name: Fenigal
Certification: CE
Model Number: DHP 6.3

Payment & Shipping Terms:

Minimum Order Quantity: 1 pc
Price: Negotiable
Packaging Details: standard export packing
Supply Ability: 60000 Units per Month
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Detail Information
Product Model: DHP 6.3 Geometric Displacement: 70 Cm³/rev
Rated Flow At Rated Speed (1500 Rpm): 6.3 M³/h (equivalent To 105 L/min In Minute Flow Rate) Minimum Outlet Pressure: 10 Bar
Maximum Continuous Outlet Pressure: 80 Bar (For Higher Or Lower Pressure Requirements, Please Contact FENIGAL Sales Representative)
Highlight:

DHP 6.3 axial piston pump

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industrial reverse osmosis pump

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high-efficiency water treatment consumables

Product Description

The DHP 6.3 axial piston pump, a high-quality water treatment consumable from WUXI FENIGAL, is customized for large/medium seawater & industrial desalination systems. As a core model in the DHP series, it excels in high corrosion resistance, large flow, and low energy consumption—becoming a key fluid transfer device for industrial reverse osmosis desalination.


Operating on the axial piston principle, its plungers (parallel to the drive shaft) reciprocate in bores to change pump cavity volume, enabling high-pressure transfer of low-viscosity corrosive media (seawater, industrial saline wastewater). Unlike traditional pumps, it uses the transported fluid as lubricant, eliminating oil tanks and oil leakage to meet desalination’s strict cleanliness demands. The integrated flushing check valve simplifies RO membrane system piping, reducing installation space and costs—ideal for factory-level wastewater desalination and medium-sized seawater desalination stations.

Core Advantages for Water Treatment

  • Large Flow & Low Energy Consumption: Delivers 6.3 m³/h flow at 1500 rpm rated speed, satisfying large/medium system needs. Only 18.5 kW power at 80 Bar, 10%-15% lower energy than same-flow traditional pumps, cutting long-term operating costs.
  • Strong Corrosion Resistance & Stability: Key components use 2205 duplex stainless steel, resisting high-salinity corrosion for over 8000 hours of continuous operation. Ultra-low pulse, ≤78 dB(A) noise (per EN ISO 3744-2010), fitting environment-sensitive industrial sites.

Core Technical Parameters of DHP 6.3

Parameter Category Specific Value
Product Model DHP 6.3
Geometric Displacement 70 cm³/rev
Rated Flow (1500 rpm) 6.3 m³/h (105 L/min)
Minimum Outlet Pressure 10 Bar
Maximum Continuous Outlet Pressure 80 Bar (Contact FENIGAL sales for other requirements)
Minimum/Maximum Inlet Pressure 2 Bar / 5 Bar
Continuous Operating Speed Range 700～1800 rpm
Operating Noise (EN ISO 3744-2010) ≤78 dB(A) (measured on full unit at max pressure/speed)
Power (1500 rpm & 80 Bar) 18.5 kW
Medium Temperature 2～50 ℃ (NaCl concentration-dependent)
Ambient Temperature 0～50 ℃
Overall Weight 34.5 kg
Integrated Component Flushing Check Valve
Core Application Large/medium seawater desalination, industrial wastewater desalination, resource recovery

Power Parameters (1500 rpm Rated Speed)

Pump Model Rated Flow (L/min) Rated Flow (m³/h) Power at 60 Bar Power at 70 Bar Power at 80 Bar Rated Speed (rpm)
DHP 6.3 105 6.3 15.0 kW 15.0 kW 18.5 kW 1500

Inlet & Outlet Dimensions

Piston Pump Model Inlet Size Outlet Size
DHP 6.3 M42×1.5, 22 mm Depth M42×1.5, 22 mm Depth

Overall Dimensions (mm, with Motor)

Piston Pump A B H K P AD HD C D L G IEC Motor
DHP 6.3 254 254 160 15 350 265 420 253 204 645 1109 15 kW - 4P
DHP 6.3 279 241 180 15 350 265 445 253 204 695 1159 18.5 kW - 4P
DHP 6.3 279 279 180 15 350 265 445 253 204 735 1199 22 kW - 4P

Installation & Operation Tips

  1. Interface Connection: "I" = inlet, "O" = outlet (M42×1.5). Use dedicated gaskets to ensure tightness and prevent high-pressure leakage.
  2. Filtration Requirement: Install 10 μm absolute filter (≥99.98% efficiency, β10>5000) at inlet—prohibit 90% efficiency filters to avoid internal component wear.
  3. Pressure Protection: Inlet low-pressure switch (2 Bar) prevents dry running; outlet high-pressure switch (70 Bar) + safety valve (5-9 MPa) protects RO membranes/pipelines.
  4. Start-Up/Shutdown: Flush with fresh water for 10-15 mins after shutdown (add bactericide if >15 days shutdown). Never start with rear valve closed.

Maintenance & Warranty

  • Daily Maintenance: Check filter pressure difference (replace element if >0.5 Bar) to keep inlet fluid clean.
  • Regular Inspection: Full inspection every 8000 hours (check shaft seal leakage ≤5 drops/min, plunger wear gap ≤0.1 mm).
  • Warranty: 1-year free maintenance (delivery date); 8000-hour maintenance-free warranty (if operated as required, max 18 months).

Manufacturer Information

  • Company: WUXI FENIGAL SCIENCE AND TECHNOLOGY CO., LTD. (FG Water Technologies)
  • Address: Chuangyi Industrial Park, No. 100 Dicui Road, Binhu District, Wuxi City, Jiangsu Province, China
  • Tel: +86-510-85163211
  • Mobile: +86-13646187144
  • Email: sales@fgwater.com
  • Official Website: https://www.fgwater.com

DHP 6.3 Axial Piston Pump - High-Efficiency Water Treatment Consumables for Industrial Reverse Osmosis (8000h Life) 0

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