10-80 Bar Pressure-Adaptable DHP 4.5 Axial Piston Pump - High-Pressure Water Treatment Consumables

Detalhes do produto:

Lugar de origem: China
Marca: Fenigal
Certificação: CE
Número do modelo: DHP 4.5

Condições de Pagamento e Envio:

Quantidade de ordem mínima: 1 pc
Preço: negociável
Detalhes da embalagem: Embalagem de exportação padrão
Habilidade da fonte: 60000 unidades por mês
Melhor preço Contato

Informação detalhada
Modelo de produto: DHP 4.5 Deslocamento geométrico: 50 cm³/rev
Fluxo nominal na velocidade nominal (1500 rpm): 4,5 m³/h (equivalente a 75 l/min em vazão de minuto) Pressão mínima de saída: 10 bar
Pressão de saída contínua máxima: 80 bar (para requisitos de pressão mais alta ou mais baixa, entre em contato com o representante de

Descrição de produto

The DHP 4.5 axial piston pump, a high-stability 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 low noise, strong corrosion resistance, and wide condition adaptability—becoming essential fluid transfer equipment for industrial reverse osmosis desalination.

Operating on the axial piston principle, its plungers (parallel to the drive shaft) reciprocate in bores to adjust 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 Noise: Delivers 4.5 m³/h flow at 1500 rpm rated speed, satisfying large/medium system needs. Ultra-low pulse, ≤78 dB(A) noise (per EN ISO 3744-2010), fitting environment-sensitive industrial sites.
  • Strong Corrosion Resistance & Wide Adaptability: Key components use 2205 duplex stainless steel, resisting high-salinity corrosion. 10-80 Bar continuous outlet pressure adapts to different RO membranes; 2-5 Bar low inlet pressure reduces front-end equipment configuration difficulty.

Core Technical Parameters of DHP 4.5

Parameter Category Specific Value
Product Model DHP 4.5
Geometric Displacement 50 cm³/rev
Rated Flow (1500 rpm) 4.5 m³/h (75 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) 15.0 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 4.5 75 4.5 11.0 kW 15.0 kW 15.0 kW 1500

Inlet & Outlet Dimensions

Piston Pump Model Inlet Size Outlet Size
DHP 4.5 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 4.5 254 210 160 15 350 260 420 253 204 605 1069 11 kW - 4P
DHP 4.5 254 254 160 15 350 265 420 253 204 645 1109 15 kW - 4P
DHP 4.5 279 241 180 15 350 265 445 253 204 695 1159 18.5 kW - 4P

Installation & Operation Tips

  1. Interface Connection: "I" = inlet, "O" = outlet (M42×1.5). Match pipeline threads to avoid forced connection damage; ensure tightness to 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 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, plunger wear—replace parts if flow drops >10%).
  • 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

10-80 Bar Pressure-Adaptable DHP 4.5 Axial Piston Pump - High-Pressure Water Treatment Consumables 0

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