For Data Centers & High-Density Computing

Engineered Liquid Cooling Valve Solutions

Factory pre-welded valve assemblies, modular manifolds, and secondary side piping. 100% helium leak-tested. Zero-leak reliability trusted by Huawei, ZTE, and Envicool.
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Core Products
From CDU to Cabinet — One System, Fully Delivered
Prefabricated, modular solutions covering three critical points on the cold plate liquid cooling secondary side.
CDU Solution
System Position: Inside the Coolant Distribution Unit
Zero-leakage, easy operation, and filtered protection, all in a compact CDU solution.
Pipeline System Solution
System Position: CDU-to-Cabinet Coolant Transport
Prefabricated welding, modular assembly, and inline service without downtime, a complete welded piping solution.
Liquid Cooled Cabinet Solution
System Position: In-Cabinet Coolant Distribution
Interlocked leak prevention, balanced flow distribution. Supports server hot-swap maintenance.
Zero-Leakage
Every valve is 100% helium leak-tested with a helium mass spectrometer before leaving our facility. Fully welded body construction eliminates leak paths at the source — no bolted joints, no gasket creep, no fugitive emissions. This is how we back a ten-year leak-proof commitment.
Prefabricated Delivery
Over 90% of on-site welding moved to factory. Automated welding, pressure testing, and helium leak detection completed under ISO 3834 certified processes. First-pass weld yield > 99.5%. Pipe spools and valve assemblies delivered pre-sealed — bolt connections only on site. No hot work. Installation time reduced by 70%. Quality goes from "probability" to "factory guarantee."
Modular Architecture
BIM Digital Pre-Assembly
Piping routing and clash detection completed at the design stage, resolving on-site conflicts before they happen.
Factory Cleanroom Prefabrication
Cutting, welding, and inspection performed under ISO Class 8 cleanroom conditions. Every module shipped as a sealed, finished assembly.
Rapid On-Site Assembly
Standardized modular interfaces. Bolt together and go. System expansion without downtime.
Fully In-House Manufacturing
Valves, fittings, spools, manifolds — all made in-house. No outsourced critical parts. Full traceability from 316L raw material to ISO 3834 welding to final leak testing. Two bases (Wenzhou & Anqing), 1.8M+ unit annual capacity. Lead time and quality under our control.
Proven Project Experience
From telecom and precision cooling to energy storage and supercomputing — QINFENG's liquid cooling valves and piping systems run reliably in industry-leading projects. Every deployment verifies our zero-leak commitment.
FAQ
You May Also Want to Know

What makes a valve suitable for data center liquid cooling systems?

 
 

Liquid cooling valves must deliver zero leakage, low pressure drop, and ultra-clean internal surfaces. Fully welded body construction eliminates leak paths, while electropolished finishes prevent particulate shedding that clogs cold plate microchannels.

Why choose fully welded valves over bolted connections for cooling loops?

 
 

Fully welded valves eliminate gasketed joints and threaded connections — the most common leak sources in long pipe runs. One-piece welded bodies withstand continuous pressure cycling without the maintenance requirements of bolted assemblies.

How does inline maintenance work for liquid cooling butterfly valves?

 
 

Close the valve disc, remove six bolts on the branch flange, and service downstream components while the main loop remains pressurized and operational — no draining, no system shutdown.

How do prefabricated piping modules reduce data center installation time?

 
 

Over 90% of welding is completed in-factory under ISO 3834 certified processes. Prefabricated modules arrive pressure-tested and ready for plug-and-play connection, reducing on-site installation time by over 70%.

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Latest Updates
QINFENG Launches Enhanced One-Piece Welded Butterfly Valve Series for AI Data Center Liquid Cooling
New Valve Series Addresses Zero-Leakage Requirements in High-Density RacksAs AI server racks push power densities beyond 50kW, liquid cooling system operators face increasing pressure t
2026.06.15
QINFENG Completes High-Volume Delivery of Prefabricated Liquid Cooling Piping Modules
Factory Pre-Assembly Accelerates On-Site Installation for Multiple Data Center ProjectsQinfeng Technology has successfully delivered over 1,500 prefabricated liquid cooling piping modul
2026.06.15
Grand Opening of WAIC 2026 | Liquid Cooling Takes Center Stage as Phase-Change Solutions Steal the Spotlight on Debut Day
From Air-Cooled to Liquid-Cooled, Phase-Change Technology Redefines the New Era of Computing Power CoolingShanghai, July 2026 — Amid the dazzling AI applications on display at the World Artificial Int
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Find the Right Valve Solution for Your Cooling System
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How we can help you:
  • Valve sizing, material compatibility, and flow path optimization
  • Prefabricated manifold and piping system design
  • 24-hour CAD drawings and sample support

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+86 86998350

[email protected]

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