This guide from EXTRCOOL addresses hyperscale thermal management with rear door heat exchangers that capture heat at the rack exhaust, enabling cabinet-by-cabinet density upgrades without disrupting room airflow. Each system pairs the door unit—with internal fans and high-efficiency copper coils—with a coolant buffer tank, dedicated chiller module and outdoor dry cooler ...
EXTRCOOL has achieved official IECEE CB certification, a mutual recognition scheme accepted across more than 50 countries that eliminates repetitive regional testing barriers, strengthening trust in the company as a China top rear door heat exchanger RDHX supplier. The certification joins existing CE, RoHS, UL and CCS credentials. Headquartered in Guangdong with a Singap...
Envicool's two decades of thermal expertise paved its way into the NVIDIA MGX ecosystem, after NVIDIA's global audit team visited its Shenzhen Longhua facility in spring 2025 and selected its UQD quick connectors and MQD manifolds, marking a leading position among Chinese liquid cooling enterprises. Growing from telecom base station temperature control into AI data cente...
AI data center thermal management has evolved beyond chip-level cooling into full-system liquid cooling, treating chip dissipation as merely the first link of a six-stage chain: chip heat generation, cold plate absorption, manifold distribution, distributed pump circulation, rack-level exchange and facility water loop discharge. NVIDIA's GB300 NVL72 marks a new era with ...
Cold rooms regulate temperature via artificial refrigeration, serving food cold chain, pharmaceutical, chemical and industrial fields, and are classified by function into pre-cooling rooms, quick-freezing rooms at -18℃ and below, low-temperature frozen storage at -18℃ to -25℃, ice storage and industrial process rooms, and by structure into civil and prefabricated assembl...
This 60-year evolution review traces data center cooling from IBM's 1966 water-cooled mainframes through three decades of air cooling dominance to today's AI era, when B200 GPUs exceeding 1000W push single racks past 100kW, and liquid cooling's 3,000-4,000 times higher heat-carrying capacity becomes mandatory. Five stages mark the journey: early water cooling; standardiz...
Laser welding is reshaping manufacturing reliability for liquid cooling manifolds, where weld quality directly decides sealing safety and long-term system stability for high-density AI racks. Traditional argon arc welding suffers thermal deformation over 0.3mm, high leakage risk and low productivity, while vacuum brazing demands high capital investment, strict material c...
On July 15, 2026, Supermicro released ten new-grade RDHx products under its DCBBS modular liquid cooling portfolio, delivering cost-effective retrofit solutions for legacy air-cooled rooms with compatibility across NVIDIA MGX, ORv3 and standard EIA racks, including GB300, Rubin and AMD Helios servers. Using indirect air-to-liquid heat exchange that isolates coolant from ...
AI training clusters have shattered the traditional 6-8kW cabinet balance, with NVIDIA DGX H100 and HGX B200 servers pushing single-rack density to 40-114kW, far beyond air cooling's 15-20kW physical limit. As a core retrofit device, the rear door heat exchanger with CDU delivers stable heat dissipation for 20-35kW medium-density AI inference racks, and replacing the ori...
Data center cooling has evolved from CRAC units running independent refrigerant loops at up to 100kW capacity, to centralized CRAH systems connected to building chilled water, and increasingly to modular fan walls delivering 500-600kW per unit for 5-10MW hall-level cooling without raised floors. The emerging rack-level RDHx solution installs on server rack rears, support...
The global liquid cooling industry has shifted from optional upgrade to mandatory AI computing infrastructure, with global data center liquid cooling penetration projected to hit 40% in 2026 and high-power training servers exceeding 70%, as top five Chinese vendors hold a combined 76.4% market share. Four core modules—cold plates, CDU, UQD quick connectors and manifolds—...
A liquid cooling manifold is the core fluid distribution component of rack thermal management, taking coolant from the CDU, distributing it evenly to server cold plates and collecting heated fluid into a closed loop. Under vertical upward flow, gravity and friction losses exceed dynamic pressure recovery, so distribution manifolds lose pressure bottom-to-top while collec...
A manifold is the flow distribution hub of data center liquid cooling, routing main-loop coolant to server cold plates with flow deviation kept within tight ranges—the prerequisite for ±1°C precision thermal control—while collecting heated coolant back to the CDU, with standardized interfaces enabling hot-swap maintenance and exhaust and drain ports supporting commission...
With Rubin in full mass production, liquid cooling value per rack jumps from $41,500 for GB200 to $55,700 for NVL144, yet cold plates and CDUs—nearly 90% of system value—follow 'one unit is enough' logic and grow less than expected. The real earnings elasticity lies in three overlooked small parts: manifolds, up 120% as Rubin expands liquid cooling to CPUs, network cards...
As of September 1, 2026, the new PAMAS S70 particle counter is officially on the market. Specifically designed for demanding pharmaceutical applications, it combines state-of-the-art electronics with a new standard of precision, comprehensive data security, and intuitive usability. With these capabilities, the PAMAS S70 sets new standards in modern particle counting. Ju...
In the high-stakes environment of semiconductor fabrication, photovoltaic manufacturing, and advanced materials science, silane (SiH4) stands as a critical precursor gas. Its utility in depositing high-purity silicon layers via chemical vapor deposition (CVD) is unmatched. However, its extreme pyrophoric nature—igniting spontaneously upon contact with air—coupled with it...
In the realm of gas handling and distribution, ultra high purity (UHP) gas pressure regulators stand as critical components ensuring the safe, precise, and contamination-free delivery of gases. These specialized devices are engineered to manage gases with purity levels exceeding 99.999% (grade 5.0) and often reaching 99.9999% (grade 6.0) or higher. They play a pivotal ro...
The Hidden Cause of Cylinder Leaks: Your Bore Was Perfect, But Your Ends Ruined It A cylinder builder once traced a batch of leaking cylinders to a problem he never suspected. The honed tube was flawless when it arrived. The damage happened at the workbench during end preparation. Welding heat, applied too close to the bore, had distorted the tube ends just enough to m...
The liquid cooling manifold has evolved from an auxiliary component inside precision air conditioners into core infrastructure for high-density AI data centers, as single-cabinet heat loads surge from 20kW beyond 100kW, breaking air cooling's limits and demanding fully sealed, leak-proof pipelines. Zero leakage, precise fluid delivery and hot-swap maintainability are now...
The liquid cooling manifold has moved into the core position as AI computing boosts rack power density from barely-coolable 20kW to 50-100kW-plus GPU cabinets. Air cooling relied on massive air volume and pressure-driven convection, leaving early fluid distributors as auxiliary parts inside precision air conditioners; now sealed pipelines with zero-leakage tolerance make...
Liquid cooling is an integrated system, not just a single CDU, according to Schneider Electric's Cold Truths of the Thermal Industry column, which debunks the widespread myth that installing a CDU alone completes an upgrade. The ecosystem spans rear door heat exchangers capturing server exhaust, manifolds distributing coolant evenly across computing nodes with precision ...
This deep dive into CDU core architecture covers the Cooling Distribution Unit's three functions—efficient cold transfer, dual-loop physical isolation and dynamic flow distribution—via plate heat exchangers achieving 93-97% efficiency with zero media mixing. Redundant 1-active-1-standby pumps switch within 5 seconds to prevent GPU thermal shutdown, while variable-frequen...
The liquid cooling CDU sits between primary cold sources and secondary IT equipment, performing coolant circulation, filtration, pressure stabilization and heat exchange, with variable-frequency pump groups and intelligent logic pushing PUE near the theoretical minimum and millisecond-level regulation for high-precision computing. Product lines span rack-mounted units fo...
As AI GPU power exceeds 500W and even 1000W, data centers shift from insufficient computing power to insufficient heat dissipation, making the liquid cooling circulation pump the heart of the system: it drives closed-loop coolant delivery to chip microchannels, occupying 35% of CDU cost while CDUs hold 30-40% of total liquid cooling system value. 2026 marks a watershed a...
Yinlun is positioned as the most undervalued core leader in AI liquid cooling, leveraging 40 years of vehicle thermal management expertise to enter CDU heat exchanger supply, a segment accounting for 30% of CDU system value. Its 276-layer precision plate design delivers 700kW heat dissipation under a 602mm height limit. As the exclusive domestic qualified supplier for le...
Shenling Environment, a core Huawei supplier, delivers one-stop liquid cooling solutions spanning precision air conditioners, CDUs and liquid cooling modules, with CDU products ranking first in domestic market share per CCID Consulting. Revenue grew from RMB 1.8 billion in 2021 to RMB 4.2 billion in 2025, up 39.6%, with net margin rebounding to 5.2%. Three positives driv...
Liquid cooling has evolved from an optional upgrade to mandatory infrastructure for kilowatt-scale AI computing. Traditional air systems face dual dilemmas of near-half facility electricity consumption and insufficient heat dissipation for 120-155kW high-density racks. Rack-integrated air-liquid CDUs enable zero-downtime phased upgrades, lowering PUE and long-term energy...
Liquid cooling has become mandatory infrastructure as AI cabinet power surges 6-8 times above traditional racks, with NVIDIA full-rack shipments driving penetration from zero in 2025 to explosive growth in 2026 as NVIDIA and ASIC platforms adopt the technology. The global supply chain is being reshaped as Chinese enterprises including Yutong Technology, Jinfu Technology ...
Jiangxi Zero-Carbon Future developed the Bingnengbao low-temperature phase change cold storage unit, using dedicated -18°C phase change materials with high cold storage density and stable cold release. Following Valley Power logic, it stores cold during off-peak night hours and shuts down main compressors during daytime peak-price periods, with melting materials sustaini...
The liquid cooling manifold serves as the core vascular system of AI data centers, a precision multi-branch distribution hub that delivers coolant evenly to server cold plates and balances thermal circulation. Paired with CDUs, it forms a closed-loop heat exchange system solving uneven cooling across multi-server clusters. High-precision manifolds control branch flow, pr...
As AI cabinet power density surpasses 100kW, the cooling distribution manifold has become the indispensable vascular link between CDU and server cold plates, evenly distributing coolant and collecting heated fluid while setting the reliability baseline for the entire loop. With dozens of welding points and quick-connect interfaces, leakage, uneven flow or trapped gas can...
NVIDIA's Rubin architecture completely cancels traditional cabinet hoses, driving a 90% surge in per-rack pipeline value and upgrading the liquid cooling manifold from a marginal auxiliary part into high-value core hardware dominating fluid distribution in full liquid cooling racks. The manifold precisely distributes low-temperature coolant to every server cold plate and...
Within liquid cooling systems, the CDU governs total cooling capacity and fluid temperature while the server liquid coolant manifold delivers cooling power precisely to every thermal terminal, and their coordination determines whether AI servers run steadily at full-load 120kW. Manifolds adopt 304 or 316L stainless steel with 0.8-1.5mm walls sealed by laser welding or va...
Manifolds and quick-disconnect fittings form the thermal last mile of liquid cooling, handling reliable coolant delivery and return between CDUs and server cold plates. Manifolds split a single CDU pipeline into multiple branches—8/12/16/24 channels at 5-15 L/min each with pressure drop below 30kPa—in top-of-rack, in-rack or row-level CDM forms, with flow balance critica...
Cold chain warehouse management relies on temperature and humidity control hardware to protect commodity quality, with constant-temperature and controlled-atmosphere cold rooms as two mainstream forms—the latter adjusting oxygen and carbon dioxide levels to put produce into dormancy. Complete workflows span insulation storage, warehousing, sorting and packaging, loading-...
NVIDIA's GTC 2026 landmark move takes direct control of the liquid cooling supply chain from OEMs, establishing a certified supplier roster across cold plates, quick connectors, manifolds and CDUs. The Vera Rubin NVL72 supercomputing platform—72 Rubin GPUs, 36 Vera CPUs, 2300W per GPU and 190-230kW racks—adopts 100% full liquid cooling as factory standard with 45°C warm ...
