Danfoss Cylinder Barrel Set 180B4160 for APP 5.1-10.2 Pumps
The Danfoss 180B4160 cylinder barrel set is a genuine OEM component built for the APP 5.1 through APP 10.2 range of high pressure axial piston pumps. This barrel forms the core of the pump's rotating assembly, housing the pistons and working alongside the valve plate to manage the high-pressure flow that these pumps are known for. Technicians and plant operators rely on this exact part number when a pump has reached the point where internal wear starts to affect pressure consistency or overall efficiency.
Danfoss APP pumps show up across a wide range of industries, not just marine vessels. They're a common choice in reverse osmosis desalination plants, industrial water treatment facilities, and other high-pressure fluid handling systems where dependable, energy-recovering pump technology matters. Because these pumps often run continuously for long stretches, the cylinder barrel is one of the parts most likely to need replacement during a scheduled rebuild or overhaul.
Ordering the correct barrel set matters more than people sometimes expect. Using the exact 180B4160 part number, rather than a generic substitute, helps preserve the tight tolerances the APP pump design depends on for smooth, leak-free operation. Keeping this set on hand as part of a maintenance inventory can shorten downtime significantly when a rebuild becomes necessary.
Key Features
- Genuine Danfoss OEM cylinder barrel set
- Precision-matched tolerances for APP pump piston assemblies
- Designed as a direct-fit replacement, no modification required
- Supports restoring original pump pressure performance
- Compatible across the APP 5.1 to 10.2 pump size range
Applications
- Reverse osmosis (RO) desalination systems
- Seawater and brackish water treatment plants
- Industrial high-pressure fluid handling equipment
- Marine and offshore high-pressure pump systems
- General water treatment and process pump rebuilds
Specifications
- Part number: 180B4160
- Compatible pump models: APP 5.1, APP 6.5, APP 7.2, APP 8.2, APP 10.2
- Component type: Cylinder barrel set
- Category: Spare part kit, includes service instructions
- Application type: High pressure axial piston pump
FAQ
Q: What pump models is the Danfoss 180B4160 cylinder barrel set compatible with?
A: It fits the Danfoss APP 5.1, APP 6.5, APP 7.2, APP 8.2, and APP 10.2 high pressure pump series.
Q: Is this cylinder barrel set only used in marine applications?
A: No. While it's common in marine high-pressure systems, it's just as widely used in land-based desalination plants, reverse osmosis systems, and industrial water treatment equipment.
Q: Does the 180B4160 kit include installation instructions?
A: Yes, Danfoss spare part kits of this type are supplied with service instructions to guide the rebuild process.
Q: When should a cylinder barrel set be replaced on an APP pump?
A: Replacement is typically recommended when a pump shows reduced pressure output, increased internal leakage, or during a scheduled major overhaul.
Q: Can I install this part myself, or does it require a technician?
A: While experienced technicians commonly handle this rebuild, the included service instructions are designed to guide a methodical, step-by-step installation for anyone comfortable working on high-pressure pump internals.
CLRMarine
