High-Pressure DHP 1.7 Pump (1.7m³/h, 5.5kW) – Water Treatment Consumables for Seawater/Industrial Desalination

Product Details:

Place of Origin: China
Brand Name: Fenigal
Certification: CE
Model Number: DHP 1.7

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
Geometric Displacement: 9.6 Cm³/rev Rated Speed: 3000 Rpm
Rated Water Output: 1.7 M³/h Outlet Pressure Range: Minimum 20 Bar, Maximum Continuous 80 Bar
Inlet Pressure Range: 1-5 Bar Equipment Weight: 7.8 Kg
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Product Description

In medium-low flow, high-pressure fluid transfer scenarios—such as island seawater desalination and industrial wastewater treatment—the DHP 1.7 Axial Piston Pump stands out as a reliable high-pressure Water Treatment Consumable. It’s favored for accurate parameters, strong corrosion resistance, and easy maintenance, perfectly suiting small and medium-sized high-pressure fluid transfer needs.


Crafted with 2205 duplex stainless steel (SAF 2205/EN 1.4462/UNS 31803), the pump boasts excellent corrosion resistance to high-salinity media like seawater. It features a unique oil-tank-free design (using transported fluid as lubricant) and an integrated flush check valve, avoiding oil leakage pollution and meeting strict cleanliness requirements of water treatment. Weighing only 7.8 kg, it fits narrow installation spaces; operating noise is ≤77 dB(A) (per EN ISO 3744-2010), ensuring a quiet working environment.


As a fixed-displacement pump, its flow rate is linearly proportional to speed at 80 Bar: at the rated 3000 rpm, flow stabilizes at 1.7 m³/h (26 L/min); at 700-3450 rpm, flow adjusts synchronously with speed, enabling flexible adaptation to different system demands. Power matching is precise too: 4 kW at 60 Bar, 5.5 kW at 70-80 Bar (recommended for common high-pressure scenarios like seawater desalination), avoiding energy waste or insufficient power.


Installation follows clear guidelines: inlet/outlet interfaces are G3/4〞 (depth 18 mm) for direct industrial pipeline connection; coupling clearance between pump and motor must be 3-5 mm (incorrect clearance damages components); overall dimensions vary by matched motor (e.g., 715 mm length with 4.0kW-2P motor) to facilitate space planning.


Maintenance is straightforward, divided into three scenarios:


  • Daily: Check inlet pressure (≥1 Bar),outlet pressure (20-80 Bar) before startup; clean 10μm absolute filter (β10>5000) weekly; inspect interface seals monthly.
  • Shutdown: For ≤3 days, keep fluid-filled and bleed air before restart; 3-15 days (high-salinity media), flush cavity with fresh water 10-15 minutes; >15 days, flush with bactericide, seal ports, and add antifreeze if <2℃.


Warranty covers peace of mind: 1-year free maintenance for non-human quality issues; 8000-hour maintenance-free warranty (max 18 months) under specified conditions (80 Bar, 3000 rpm, 10μm filtration). The manufacturer, Wuxi Fenigal Science and Technology Co., Ltd. (with 30+ years of pump R&D), offers 48-hour on-site service in China via Tel (+86-510-85163211) or Email (sales@fgwater.com). A real island desalination case proves its reliability: two pumps in parallel, 30 tons/day output, no failures in 18 months.

Core Technical Parameters of DHP 1.7

Parameter Category Specific Value/Specification Note
Geometric Displacement 9.6 cm³/rev Basis for flow calculation
Rated Speed 3000 rpm (adjustable: 700～3450 rpm) Normal operating speed
Rated Water Output 1.7 m³/h (26 L/min) Stable at 3000 rpm
Outlet Pressure Range 20 Bar (min) ～ 80 Bar (max continuous) Overpressure triggers safety valve
Inlet Pressure Range 1～5 Bar <1 Bar causes cavitation
Equipment Weight 7.8 kg Suitable for narrow spaces
Inlet/Outlet Interface G3/4〞, Depth 18 mm Matches industrial pipelines
Operating Noise ≤77 dB(A) Tested per EN ISO 3744-2010
Core Material 2205 Duplex Stainless Steel Strong corrosion resistance
Designed Service Life Over 8000 hours Basis for maintenance cycles
Special Design Integrated Flush Check Valve, No Lubricating Oil Tank Avoids oil leakage

Power Matching Parameters of DHP 1.7

Working Condition (3000 rpm) Power Note
60 Bar Pressure 4 kW Basic working condition
70 Bar Pressure 5.5 kW Recommended for common scenarios
80 Bar Pressure 5.5 kW Upper limit for continuous operation

Overall Dimensions of DHP Series (0.6～1.0, Unit: mm)

Plunger Pump A B H K P AD HD C D L G IEC Motor
DHP 0.6～1.0 125 100 80 10 200 145 225 133 100 325 558 1.1 kW - 2P
DHP 0.6～1.0 140 100 90 10 200 165 255 133 100 340 573 1.5 kW - 2P
DHP 0.6～1.0 140 125 90 10 200 165 255 133 100 365 598 2.2 kW - 2P
DHP 0.6～1.0 160 140 100 12 250 175 275 133 120 405 658 3.0 kW - 2P

Manufacturer Contact Information

Item Details
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, P. R. China
Tel +86-510-85163211
Mobile +86-13646187144
Email

sales@fgwater.com

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