Metal Hoses for Data Center Liquid Cooling
Flexible metal connections from server cold plate links to equipment piping. Explore bellows, welded metal hose, tri-clamp assemblies and flanged assemblies configured for your cooling loop.
Flexible Connections for Different Parts of the Cooling Loop
Choose the hose construction and interface around the bore, routing, movement and operating conditions.
Cold Plate Bellows
Compact formed tubing for internal connections between server cooling hardware and cold plates. Bellows and roll-flat end options support application-specific flexible links.
- Bore Sizes
- 4 / 5 / 6 / 8 / 10 / 12 mm
- Working Pressure
- 0.1-1.6 MPa, by configuration
- Bellows Range
- DN3-DN12, including selected reinforced and ultra-flex options
- Roll-Flat Options
- DN4, DN6 and DN8
- Surface Treatment
- Pickling & passivation; bright annealing; electropolishing
- End Geometry
- Overall length and end dimensions confirmed by project
Welded Metal Hose
Welded metal hose assemblies for secondary-side ring networks and vibration isolation. Define the bore, assembly length and end interfaces around the cooling loop and installation space.
- Size Range
- DN15-DN350
- Working Pressure
- 1.6 MPa through DN200; 1.0 MPa for DN250-DN350
- Static Bend Radius
- 120-1,750 mm, by DN
- Dynamic Bend Radius
- 270-3,500 mm, by DN
- End Connections
- Application-specific welded interfaces
- Assembly Length
- Custom lengths available
- Operating Conditions
- Pressure, temperature, material and coolant compatibility confirmed for the selected assembly
Tri-Clamp Metal Hose
Tri-clamp metal hose assemblies for accessible assembly and maintenance around CDU modules. Match the ferrules, clamp, gasket and hose as one serviceable connection.
- Size Range
- DN15-DN350
- Working Pressure
- 1.6 MPa through DN200; 1.0 MPa for DN250-DN350
- Static Bend Radius
- 120-1,750 mm, by DN
- Dynamic Bend Radius
- 270-3,500 mm, by DN
- End Connections
- Tri-clamp interfaces; ferrule dimensions by DN
- Assembly Length
- Project-defined overall length
- Operating Conditions
- Clamp, gasket, hose and mating interface reviewed as a complete assembly
Flanged Metal Hose
Flanged metal hose assemblies for secondary-side piping and vibration isolation. Define the flange standard, drilling pattern and overall length for each application.
- Size Range
- DN25-DN350
- Working Pressure
- 1.6 MPa through DN200; 1.0 MPa for DN250-DN350
- Static Bend Radius
- 175-1,750 mm, by DN
- Dynamic Bend Radius
- 400-3,500 mm, by DN
- End Connections
- Flanged interfaces
- Flange Configuration
- Standard and drilling pattern defined by project
- Operating Conditions
- Pressure, temperature, material and sealing reviewed for the complete assembly
Published dimensions are selection references. Confirm the selected assembly, end connections and operating limits against your project requirements.
Sizes, Working Pressure & Bend Radius
Compare the published size and pressure ranges, then review the complete connection dimensions for your selected assembly.
| Size | ID (mm) | OD (mm) | Pressure (MPa) | Static R (mm) | Dynamic R (mm) |
|---|---|---|---|---|---|
| DN15 | 15 | 24 | 1.6 | 120 | 270 |
| DN20 | 20 | 31 | 1.6 | 160 | 360 |
| DN25 | 25 | 35 | 1.6 | 175 | 400 |
| DN32 | 32 | 43 | 1.6 | 175 | 400 |
| DN40 | 40 | 53 | 1.6 | 225 | 510 |
| DN50 | 50 | 65 | 1.6 | 350 | 800 |
| DN65 | 65 | 80 | 1.6 | 390 | 845 |
| DN80 | 80 | 105 | 1.6 | 480 | 1000 |
| DN100 | 100 | 118 | 1.6 | 600 | 1200 |
| DN125 | 125 | 152 | 1.6 | 750 | 1500 |
| DN150 | 150 | 178 | 1.6 | 900 | 1800 |
| DN200 | 200 | 233 | 1.6 | 1000 | 2000 |
| DN250 | 250 | 292 | 1.0 | 1250 | 2500 |
| DN300 | 300 | 347 | 1.0 | 1500 | 3000 |
| DN350 | 350 | 407 | 1.0 | 1750 | 3500 |
Welded and tri-clamp hoses start at DN15; flanged hoses start at DN25. Pressure values are 1.6 MPa through DN200 and 1.0 MPa for DN250-DN350. Confirm the end connections and operating conditions of the complete assembly.
Dimensions A, B, C and D are interface references. Request the matching connection drawing to confirm each dimension, flange standard and drilling pattern before ordering. Static and dynamic bend radii must be selected for the actual routing and movement.
Define the Assembly Before Ordering
01 / Bore & Flow
Specify the required flow, passage bore and allowable pressure drop for the cooling connection.
02 / End Interfaces
Send drawings for the welded ends, clamp ferrules or flange standard and drilling pattern.
03 / Length & Routing
Define the installed length, available bend space, orientation and service access.
04 / Movement
Distinguish fixed routing from repeated movement and review the applicable bend radius.
05 / Coolant & Conditions
Provide coolant composition, operating pressure, temperature and material requirements.
06 / Verification
Specify leak, pressure, dimensional, material and cleanliness checks required by the project.
Production Resources for Liquid Cooling Connections
Production capabilities for formed bellows and metal hose assemblies cover tube forming, laser welding, automatic welding, brazing, assembly and product inspection. Each project defines the end connections, verification scope and delivery requirements.
Controlled Production Workflow
Design Review
Dimensions and interfaces reviewed against project requirements.
Material Verification
Material checks and project records.
Tube Forming
Formed bellows and hose construction.
Laser / Automatic Welding
Joining processes selected for the assembly.
Assembly
End connections and components assembled.
Cleaning
Cleaning scope defined for the application.
Inspection
Product checks and verification records.
Packing
Project labeling, packaging and batch records.
Testing & Material Verification
Available test resources support batch and project-specific verification. Define the required test conditions, acceptance criteria and documentation for your order.
Metal Hoses for Data Center Liquid Cooling FAQ
Which metal hose types are available?
The brochure covers welded metal hose, tri-clamp metal hose and flanged metal hose, alongside bellows and roll-flat bellows for compact cold plate connections.
What is the difference between static and dynamic bend radius?
The brochure provides separate radius references for fixed bends and moving applications. Select the applicable reference for your routing and have the finished assembly reviewed.
Can the length and end connections be customized?
Custom lengths and end connections are available for review. Send the overall length, interface drawings and installation layout.
What pressure and temperature ratings apply?
The cold plate bellows range lists 0.1-1.6 MPa by configuration. Welded, tri-clamp and flanged hose tables list 1.6 MPa through DN200 and 1.0 MPa for DN250-DN350. Confirm temperature, materials and end connections for the selected assembly.
What should I include in a metal hose inquiry?
Include product type, bore, length, both end connections, coolant, pressure, temperature, movement, quantity and required test documentation.
What manufacturing and testing resources are available?
Available processes include forming, laser and automatic welding, brazing, assembly and inspection. Test capabilities cover air-tightness, bending, fatigue, vibration, burst / flow, spectrometer checks and sealing pressure. Agree the applicable test scope and records for the project.
Discuss Your Metal Hose Requirements
Share the hose type, bore, assembly length, end interfaces, coolant, operating conditions and quantity. Include a drawing or installation layout if available.