• DHP 2.1 Axial Piston Pump (7.8kg, 80Bar) – High-Pressure Water Treatment Consumables for Industrial RO/Desalination
  • DHP 2.1 Axial Piston Pump (7.8kg, 80Bar) – High-Pressure Water Treatment Consumables for Industrial RO/Desalination
  • DHP 2.1 Axial Piston Pump (7.8kg, 80Bar) – High-Pressure Water Treatment Consumables for Industrial RO/Desalination
DHP 2.1 Axial Piston Pump (7.8kg, 80Bar) – High-Pressure Water Treatment Consumables for Industrial RO/Desalination

DHP 2.1 Axial Piston Pump (7.8kg, 80Bar) – High-Pressure Water Treatment Consumables for Industrial RO/Desalination

Détails sur le produit:

Lieu d'origine: Chine
Nom de marque: Fenigal
Certification: CE
Numéro de modèle: DHP 2.1

Conditions de paiement et expédition:

Quantité de commande min: 1 pc
Prix: négociable
Détails d'emballage: Emballage d'exportation standard
Capacité d'approvisionnement: 60000 unités par mois
meilleur prix Contact

Détail Infomation
Modèle de produit: DHP 2.1 Déplacement géométrique: 11,8 cm³ / rev
Écoulement nominal à vitesse nominale (3000 tr / min): 2,1 m³ / h (équivalent à 35 l / min) Plage de pression de sortie: Minimum 20 bar, maximum 80 bar
Chaîne de pression d'admission: Minimum 1 bar, maximum 5 bar Gamme de vitesse continue: 700 ～ 3450 tr / min

Description de produit

As a key member of the DHP series, the DHP 2.1 Axial Piston Pump is a professional high-pressure Water Treatment Consumable, tailor-made for transporting high-pressure, low-viscosity corrosive fluids. It excels in industrial reverse osmosis scenarios—such as seawater desalination and industrial desalination—effortlessly conveying media like seawater and industrial saline wastewater.


Operating on the axial piston principle, the pump uses plungers (parallel to the drive shaft) reciprocating in plunger bores to change cavity volume and transfer fluid. It eliminates the need for a traditional lubricating oil tank, instead using the transported fluid itself as lubrication. This design completely avoids oil leakage pollution, making it highly compatible with the strict cleanliness requirements of seawater and industrial wastewater treatment.


With core components made of 2205 duplex stainless steel, the pump boasts strong corrosion resistance to high-salinity media. It runs quietly (≤77 dB(A) per EN ISO 3744-2010) and stably. As a fixed-displacement pump, its flow rate is strictly proportional to speed: at 1000 rpm, flow is ~0.7 m³/h; at the rated 3000 rpm, it reaches 2.1 m³/h (35 L/min). For custom flow needs, use the formula Selected Motor Speed = (Desired Flow Rate × 3000)/2.1—e.g., 1.5 m³/h requires ~2140 rpm, ensuring easy and precise system matching.


To ensure safe and efficient operation, follow these installation and operation guidelines:


  • Installation: Clearly identify "I" (inlet) and "O" (outlet) to avoid reverse-connection damage; reserve 3-5 mm clearance between pump and motor coupling, and never let the pump shaft bear axial/radial force.
  • Filtration: Install a 10 μm absolute filter (99.98% efficiency, β10>5000) at the inlet—preventing small particles from wearing internal precision parts.
  • Pressure Protection: Equip a 1 Bar low-pressure switch (shuts down pump if pressure is too low) at the inlet, and a 70 Bar high-pressure switch + safety valve at the outlet (avoids system overpressure and pipe bursts).
  • Shutdown Flushing: Flush the pump cavity with fresh water after each shutdown (use bactericide for >15-day shutdowns) to prevent salt crystallization; never start with the rear valve closed.


Power varies by working pressure: 5.5 kW at 60-70 Bar, 7.5 kW at 80 Bar (recommended for seawater desalination, which operates at 70-80 Bar). The pump comes with a 1-year free warranty (excludes man-made/improper use damage) and an 8000-hour maintenance-free warranty (max 18 months) under standard operation. WUXI FENIGAL SCIENCE AND TECHNOLOGY CO., LTD. provides timely after-sales support—including fault detection, on-site repair, and spare parts—to keep water treatment systems running smoothly.

Core Technical Parameters of DHP 2.1

Parameter Category Specific Value
Product Model DHP 2.1
Geometric Displacement 11.8 cm³/rev
Rated Flow (3000 rpm) 2.1 m³/h (35 L/min)
Outlet Pressure Range 20 Bar (min) ～ 80 Bar (max)
Inlet Pressure Range 1 Bar (min) ～ 5 Bar (max)
Continuous Operating Speed Range 700～3450 rpm
Operating Noise (EN ISO 3744-2010) ≤77 dB(A)
Power (3000 rpm) 5.5 kW (60/70 Bar), 7.5 kW (80 Bar)
Medium Temperature 2～50 ℃ (depends on NaCl concentration)
Ambient Temperature 0～50 ℃
Overall Weight 7.8 kg
Built-in Component Integrated Flushing Check Valve
Core Application Seawater desalination, industrial wastewater desalination/resource recovery

Inlet & Outlet Dimensions of DHP 2.1

Pump Model Inlet Size Outlet Size
DHP 2.1 G3/4〞, Depth 18 mm G3/4〞, Depth 18 mm

Overall Dimensions of DHP 2.1 (Unit: mm)

Pump Model A B H K P AD HD Matching IEC Motor
DHP 2.1 216 140 132 12 300 220 350 5.5 kW - 2P
DHP 2.1 216 140 132 12 300 220 350 7.5 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

DHP 2.1 Axial Piston Pump (7.8kg, 80Bar) – High-Pressure Water Treatment Consumables for Industrial RO/Desalination 0

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