Service continuity
Redundant, isolatable runs and leak-tight joints keep critical building services online.
Industries / Hospitals
Closed-loop and utility distribution for buildings that cannot schedule downtime and cannot compromise on cleanable internal surfaces.

Application requirements
The pipework is specified by the failure modes it has to prevent, not by a catalogue part number.
Redundant, isolatable runs and leak-tight joints keep critical building services online.
Smooth bore, full-penetration joints and passivated surfaces limit biofilm and sediment traps.
Press-fit and prefabricated assemblies reduce hot work in occupied buildings.
Composition and mechanical values documented per batch with Mill Test Certificates.
Where our piping fits
Complete loops are engineered to your P&ID or CAD package; these are the building blocks we fabricate in-house.
Elbows, tees, reducers and flanges for fast, flameless assembly.
Plant-room and riser runs built off-site to installation drawings.
Custom port-count manifolds for plant-room isolation and balancing.
Typical configuration
The table below describes the parameters we normally agree at engineering review. Nothing here is a fixed catalogue SKU - final values follow your drawing, coolant and acceptance criteria.
NSF / WRAS material standards and DVGW W534 press-fitting tests are component-level standards. Yijia Pipe does not claim medical-device or healthcare-system certification.
| Material | AISI 304 / 316L seamless stainless tube |
|---|---|
| Size range | DN15 - DN100 fittings in V and M press profiles |
| Verification | Hydraulic pressure test; 100% helium leak test on custom liquid cooling assemblies |
| Documentation | EN 10204 3.1 MTC, dimensional inspection record |
Delivery
One engineering team owns the loop from manufacturability review through to the leak-test record.
Related
Every industry page links back to the hub and to the other four sectors.
Next step
Send the drawing or a component list. Our engineers reply with manufacturability feedback, an indicative lead time and a quote.