Ultra-Large Flow DHP 8.2 Axial Piston Pump - High-Pressure Water Treatment Consumables for Desalination Systems

Подробная информация о продукте:

Место происхождения: Китай
Фирменное наименование: Fenigal
Сертификация: CE
Номер модели: DHP 8.2

Оплата и доставка Условия:

Количество мин заказа: 1 шт
Цена: обсуждаемый
Упаковывая детали: Стандартная экспортная упаковка
Поставка способности: 60000 единиц в месяц
Лучшая цена контакт

Подробная информация
Рейтинг поток (при 1500 об / мин): 8,2 мграни/ч (136 л/мин) Геометрическое смещение: 100 смЧ нетерпением/Rev
Минимальное давление в выходе: 10 бар Максимальное непрерывное давление выхода: 80 бар (свяжитесь с продажами Fenigal для более высокого/более низкого давления)
Минимальное давление входа: бар 2 Максимальное непрерывное давление на входе: 5 АДВОКАТУР
Непрерывный диапазон скорости работы: 700 ～ 1800 об / мин

Характер продукции

The DHP 8.2 axial piston pump, a premium water treatment consumable from WUXI FENIGAL, is tailor-made for large/medium seawater & industrial desalination systems. As a star model in the DHP series, it boasts ultra-large flow, strong corrosion resistance, and high energy efficiency—becoming core fluid transfer equipment for reverse osmosis scenarios (e.g., seawater desalination plants with daily treatment over 200 tons).


Operating on the axial piston principle, its plungers reciprocate parallel to the drive shaft to transfer low-viscosity corrosive fluids (seawater, industrial saline wastewater) at high pressure. It uses the transferred fluid as lubricant, eliminating oil tanks and oil leakage, fully meeting desalination’s strict cleanliness demands. The integrated flushing check valve simplifies RO membrane system piping, cutting installation space and costs—ideal for long-term, continuous high-flow water supply in industrial desalination.

Core Advantages for Water Treatment

  • Ultra-Large Flow & High Energy Efficiency: At 1500 rpm rated speed, it delivers 8.2 m³/h flow to meet large/medium desalination needs. Over 85% operating efficiency, only 30 kW consumption at 80 Bar—saves 8%-12% energy vs. same-flow traditional pumps, reducing long-term costs.
  • Strong Corrosion Resistance & Reliability: Critical components use 2205 duplex stainless steel, resisting high-salinity corrosion for over 8000 hours of continuous operation. ≤0.5 Bar pulse amplitude, ≤78 dB(A) noise (per EN ISO 3744-2010), ensuring stable operation in strict industrial environments.

Core Technical Parameters of DHP 8.2

Parameter Category Specific Value
Product Model DHP 8.2
Geometric Displacement 100 cm³/rev
Rated Flow (at 1500 rpm) 8.2 m³/h (136 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 (per EN ISO 3744-2010) ≤78 dB(A) (measured on complete unit at max pressure/speed)
Power (1500 rpm & 80 Bar) 30.0 kW
Fluid 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 8.2 136 8.2 18.5 kW 22.0 kW 30.0 kW 1500

Inlet & Outlet Dimensions

Piston Pump Model Inlet Size Outlet Size
DHP 8.2 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 8.2 279 279 180 15 350 265 445 253 204 735 1199 22 kW - 4P
DHP 8.2 318 305 200 19 350 305 505 253 204 765 1222 30 kW - 4P

Installation & Operation Tips

  1. Port & Connection: "I" for inlet, "O" for outlet (M42×1.5). Use high-pressure PTFE gaskets, limit leakage to ≤3 drops/min.
  2. Filtration: Install 10 μm absolute filter (≥99.98% efficiency, β10>5000) at inlet to avoid component wear.
  3. Pressure Protection: Inlet low-pressure switch (2 Bar) prevents dry running; outlet high-pressure switch (70 Bar) + safety valve protects RO membranes.
  4. Flushing: After shutdown, flush with fresh water for ≥15 mins (add bactericide if shutdown >15 days) to avoid salt crystallization.

Maintenance & Warranty

  • Daily Maintenance: Check filter pressure difference (replace element if >0.5 Bar); partial inspection every 6000 hours, full inspection every 8000 hours.
  • Warranty: 1-year free maintenance (shipment 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

Ultra-Large Flow DHP 8.2 Axial Piston Pump - High-Pressure Water Treatment Consumables for Desalination Systems 0


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