The Danfoss APP W HC 15/750 (code 180B5000) is an axial piston high-pressure pump for zero-liquid-discharge and other high-pressure industrial water duties. It is oil-free and water-lubricated — the pumped water itself lubricates the bearings, so there is no oil circuit to maintain and no path for oil to reach the process. All wetted parts are Duplex and Super Duplex stainless steel.
Documentation & Drawings
Technical Specifications
| Identification | |
| Code number | 180B5000 |
| Pump size | APP W HC 15/750 |
| Series | APP W HC 15 – 30 |
| Type | Axial piston, oil-free, water-lubricated |
| Displacement & Flow | |
| Geometric displacement | 362 cm³/rev (22.09 in³/rev) |
| Flow at 500 rpm, max. pressure | 11 m³/h |
| Flow at 750 rpm, max. pressure | 15 m³/h |
| Pressure | |
| Max. outlet pressure (MAWP) | 120 barg (1740 psig) |
| Min. outlet pressure | 30 barg (435 psig) |
| Inlet pressure, continuous | 2 – 5 barg (29 – 72.5 psig) |
| Max. inlet pressure, peak | 10 barg (145 psig) |
| Speed | |
| Min. speed, continuous | 500 rpm |
| Max. speed, continuous | 750 rpm |
| Operating Conditions | |
| Media temperature | 2–50 °C (36–122 °F) |
| Ambient temperature | 0–50 °C (32–122 °F) |
| Sound pressure level at 1 m | 85 dB(A) |
| Mechanical | |
| Weight (dry) | 105 kg (231 lb) |
| Torque at max. outlet pressure | 740 Nm (546 lbf-ft) |
| Footprint with IEC motor | 0.76 m² (8.18 foot²) |
| Body material | Duplex / Super Duplex stainless steel |
| Typical Motor | |
| Motor size at max. speed, max. pressure | 75 kW (100 HP) |
| Identification | |
| Manufacturer | Danfoss High Pressure Pumps |
| Data sheet reference | Danfoss AI283147317727en-000601, §4.1 |
Videos
How an axial piston pump works — APP pump working animation
Why are axial piston pumps ideal for SWRO?
Videos courtesy of Danfoss High Pressure Pumps.
Case Studies
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Why an Axial Piston Pump
Flow from a positive-displacement axial piston pump is set by displacement and shaft speed rather than by system pressure, so output stays stable as membranes foul and feed pressure rises. A centrifugal pump's output falls away as head increases; this one does not.
- Oil-free — lubricated by the pumped water, so no oil changes and no contamination path to the permeate.
- No high-pressure mechanical seal — a common wear point on other pump types is simply absent.
- Duplex / Super Duplex throughout the wetted path for chloride resistance.
- Field serviceable — Danfoss supplies purpose-designed tool kits and service parts, which we stock.
Frequently Asked Questions
What flow will the APP W HC 15/750 give me?
Does it come with a motor?
What inlet pressure does it need?
What filtration does it need?
How is it shipped?
Specifications reproduced from Danfoss data sheet AI283147317727en-000601, §4.1. APP® is a registered trademark of Danfoss A/S. Danfoss reserves the right to alter specifications without notice; confirm critical values against the current data sheet before purchase.
