Danfoss APP 2.2 High-Pressure Pump – 180B3045 Axial Piston Pump for SWRO Desalination
The Danfoss APP 2.2 (part number 180B3045) is a compact axial piston high-pressure pump designed for small-scale seawater and brackish water reverse osmosis desalination systems. This Danfoss high-pressure pump is ideal for portable desalination units, marine watermakers, and small commercial SWRO systems producing up to 5,000 GPD. Oil-free, water-lubricated design in Duplex stainless steel delivers up to 92% efficiency. ForeverPure is an authorized Danfoss pump supplier with fast shipping and expert technical support.
Technical Specifications
| Part Number | APP 2.2 (180B3045) |
| Type | APP 1.5 – 3.5 Axial Piston Pump |
| Application | Seawater & Brackish Water RO Desalination |
| Body Material | Duplex Stainless Steel |
| Seal Material | NBR |
| Displacement | 12.52 cm³/rev |
| Max Flow | 10.9 gal/min |
| Min Flow | 1.9 gal/min |
| Max Outlet Pressure | 1,200 psig |
| Min Outlet Pressure | 290 psig |
| Max Inlet Pressure | 72.5 psig |
| Min Inlet Pressure | 7.3 psig |
| Max Speed | 3,450 rpm |
| Min Speed | 700 rpm |
| Inlet/Outlet | 3/4 in BSPP |
| Max Media Temperature | 122 °F (50 °C) |
| Sound Level | 77 dBA |
| Net Weight | 8.29 kg (18.3 lbs) |
| Dimensions (L x W x H) | 10.7 x 5.9 x 5.4 in |
| Approvals | CE Marked |
| Country of Origin | Denmark |
| Serviceable | Yes |
Key Features of the Danfoss APP 2.2 Pump
- Compact & lightweight – only 8.29 kg, ideal for portable and marine installations
- Oil-free, water-lubricated design – zero oil contamination risk, minimal maintenance
- Duplex stainless steel construction – superior corrosion resistance for seawater
- Up to 92% volumetric efficiency – reduces energy costs
- Wide speed range – 700 to 3,450 rpm for flexible system design
- High-pressure capability – up to 1,200 psig for seawater desalination
- Field serviceable – replacement parts and repair kits available
Common Applications
- Marine watermakers – sailboat and yacht desalination systems
- Portable desalination systems – 200 to 5,000 GPD units
- Small commercial SWRO – resorts, islands, remote communities
- Emergency water purification – disaster relief and humanitarian operations
- Brackish water treatment – well water and groundwater purification
Why Buy Danfoss Pumps from ForeverPure?
- Authorized Danfoss pump supplier – genuine OEM products with full warranty
- 8,000+ desalination systems shipped worldwide since 1997
- Expert technical support – our engineers help you select the right pump
- Fast shipping – in-stock items ship within 1–3 business days
- Complete SWRO system integration – we design and build full desalination systems using Danfoss pumps
- Replacement parts & repair kits – full inventory of Danfoss APP pump components
Request a Quote
Contact ForeverPure for pricing, lead times, and technical support on the Danfoss APP 2.2 high-pressure pump. Call +1-408-969-2688 or email sales@ForeverPurePlace.com.
