The Counterintuitive Truth About Bore Finish: Why a "Smoother" Tube Can Actually Destroy Your Seals An engineer once rejected a batch of honed tube because its Ra reading was slightly higher than the drawing specified. A week later, he called back, completely puzzled. A competitor’s tube with a lower Ra was giving him significantly worse seal life in his cylinders. How...
Liquid cooling has become the standard for large-scale high-density AI data center deployment as single GPU power climbs from 300W to over 1000W. xAI's 100,000-card H100 cluster with Supermicro for Grok 3.0 achieved 22% higher computing utilization and 60% lower hardware failure. Cold plate cooling dominates large-scale commercial deployment, with immersion serving extre...
Rear door heat exchanger (RDHx) cabinets boost data center cooling and energy efficiency by replacing standard cabinet rear doors with heat exchangers placed close to heat sources. This rack-level solution supplements or replaces room-based CRAC systems, cutting cold energy waste and air mixing to hold PUE below 1.2 while eliminating hotspots. With ultra-short heat trans...
In industries such as semiconductor manufacturing, pharmaceuticals, biotechnology, and research laboratories, the safe handling of hazardous gases is paramount. Gases like hydrogen, chlorine, ammonia, silane, and various inert or toxic substances are essential for processes ranging from chemical vapor deposition to analytical testing. However, these gases pose significan...
A complete cold storage refrigeration system combines four core components and eight auxiliary devices. Compressors—piston and screw for medium-to-large rooms, scroll for small systems—drive the cycle; condensers split into water-cooled, air-cooled and hybrid types; throttling devices from manual to thermostatic and electronic expansion valves regulate pressure and flow;...
China's liquid cooling industry has entered explosive growth, moving from pilot trials to full-capacity mass production as AI computing demand soars. The water-cooled data center market reached RMB 18.4 billion in 2024, up 66% year-on-year, with projections of about RMB 130 billion by 2029. Manufacturers including Shenling, Jinfu and Dingtong run at full production with ...
Liquid cooling cabinet manifolds serve as the core hub of indirect cooling architecture, distributing coolant to server cold plates and collecting heated fluid for closed-loop circulation. Three mainstream designs—tree branch, annular pipeline and stacked plate—target flow deviation within 5%. R&D relies on hydraulic balance calculation and CFD simulation to optimize cha...
Liquid cooling is becoming mandatory for global AI data centers, with 2026 marking the commercialization inflection point as penetration exceeds 74% in AI training servers and China's new supercomputing facilities go fully liquid. Handling racks from 100kW to 1MW—impossible for air cooling beyond 50kW—liquid cooling cuts PUE from 1.4-1.8 to 1.02-1.1. NVIDIA mandates liqu...
Liquid cooling has become essential infrastructure for AI computing as new-generation chips—GB300 above 1400W, Rubin over 2500W, Google TPU v7 at 980W—outstrip air cooling. It cuts PUE from over 1.4 to 1.05-1.1, saving a 10MW data center nearly $30 million in annual power costs. The market is projected at $16.5 billion with 59% CAGR, China leading growth. Upstream locali...
A significant enhancement in residential communication and emergency response capabilities has been achieved at an apartment project in Iceland with the installation of JR301-SC-OW-AL emergency intercoms. These robust communication devices, featuring a master station with a built-in battery that supplies power to connected sub-stations, have been deployed throughout the ...
Liquid cooling has become indispensable for AI data center operation as 24-hour high-load servers generate heat that directly limits computing output—insufficient dissipation means limited AI power. Air cooling's low heat-carrying capacity (liquid transfer is thousands of times more efficient) plus noise, soaring electricity bills and failure rates drive the shift. Three...
Propane gas regulators are essential components in systems that use propane for heating, cooking, or powering appliances. These devices control the pressure of propane gas flowing from the tank to the appliance, ensuring safe and efficient operation. Over time, regulators can wear out, become damaged, or fail due to environmental factors, leading to issues like low flame...
Manifold technology has matured to empower high-density AI data center liquid cooling, distributing CDU coolant evenly to server cold plates and collecting return fluid in a closed loop. Equal-length channels deliver ultra-low pressure drop and uniform flow, with single-row and double-row structures suiting low- and high-power cabinets plus pressure-bearing hot-swappable...
Liquid cooling is reshaping AI data center operational logic as air cooling hits an insurmountable thermal cliff at sub-3nm chips, while its parasitic paradox wastes energy generating extra heat. STH tests show liquid cooling delivers 20-25% higher GPU performance with lower power draw. Cold plate cooling leads as the mature chip-level standard, rear door units offer tra...
The vapor compression refrigeration cycle powers modern cold storage through four essential components: compressor, condenser, throttling device and evaporator, working with circulating refrigerant for continuous heat exchange. Compressors span piston, screw, scroll and rotor types; condensers split into water-cooled units with pumps and cooling towers versus air-cooled ...
Data center cooling has evolved across four major solutions. Traditional air cooling, driven by fan walls, suffers low energy efficiency, driving liquid cooling adoption. Rear door heat exchangers install coils at rack rears—coolant absorbs exhaust heat, transferring it via CDU to cooling towers while servers keep original air structures. Cold plate cooling replaces heat...
Ultra High Purity Gas Delivery System: Design Principles, Components, and Industrial Applications Ultra high purity gas delivery systems represent a critical enabling technology in industries where even trace-level contaminants can compromise product quality, process yield, or safety. An ultra high purity gas delivery system is engineered to transport specialty and proc...
SHANGHAI, CHINA – Advanced fabrication facilities and high-tech research centers require strict control over chemical delivery, operational safety, and structural micro-contamination profiles. Addressing these precise modern manufacturing metrics, Shanghai Chengwei Semiconductor Equipment Co., Ltd. has announced a strategic expansion of its manufacturing capacity within...
Bernstein's Rubin platform analysis highlights a dramatic surge in rack-level thermal system value: liquid cooling value per rack jumps from $51,000 on GB200 to $158,000 on Rubin—a 210% increase of 3.1 times. Air cooling handles only 30-50kW per rack, while new-generation AI racks exceed 100kW and reach 250kW on Rubin, making liquid cooling mandatory. Rubin-era cooling e...
Liquid cooling has reached its 2026 inflection point as physical limits push air cooling aside—air supports only 20-30kW per rack while AI racks exceed 50kW and NVIDIA targets 100kW. With 25 times higher thermal conductivity, liquid cooling handles 50-100kW+ loads at PUE below 1.1. The industry is sophisticated precision manufacturing: over 60 components demand dust-free...
The Spanish Navy has awarded Okatent a contract to supply and install three shelter-type structures at Rota Naval Base in Cádiz, with a total value of €389,888.62, including VAT. The project addresses a logistical requirement to provide covered spaces for vehicles, machinery and equipment currently exposed to humidity, salinity, solar radiation and rainfall. The contract...
Two core CDU products power efficient data center liquid cooling. The 6U liquid-to-liquid CDU delivers up to 65kW cooling with N+N pump redundancy for 24/7 operation, precisely regulating temperature and flow via intelligent linkage to capture 100% of cabinet heat—ideal for supercomputing, HPC clusters and containerized sites. The 13kW air-to-liquid CDU targets air-coole...
Cooler Master, Taiwan's leading server liquid cooling enterprise, is boosting global production with a major Vietnam expansion. After completing an initial $200 million investment—its first-phase plant operational since July 2025—the company plans an additional $2.8 billion, and is evaluating 100 hectares in Gia Binh Industrial Park. Founded in 1992, the world's top NVID...
Liquid cooling manifolds serve as core piping components in AI data centers, evenly distributing coolant from CDU main pipes to server cold plates via branch nodes, then collecting heated fluid back through return pipes. Stainless steel with laser welding and vacuum brazing delivers seamless sealing, while single and double-row structures with equal-length channels balan...
Liquid cooling is redefining AI data center infrastructure amid high-density computing upgrades, with Vertiv and NVIDIA co-developing reference architectures for high-power AI cabinets. Air cooling forces extreme fan loads under GPU stacking, causing throttling that cuts training efficiency and raises inference costs. Cold plate liquid cooling, the mainstream route, atta...
AI liquid cooling and CDU technology are reshaping modern data center thermal infrastructure as air cooling exhausts its limits under high-TDP GPUs. The CDU, governed by ASHRAE standards with pump redundancy, long MTBF and intelligent leakage detection, handles millisecond-level transient power swings while cold plate CDUs connect internal and external loops for both new...
Frozen food operators often overlook cold storage configuration that determines long-term costs and product quality. Expert guidance starts with business attributes: conventional frozen meat suits -18℃ while seafood and ice cream demand -25℃ or lower, with 10-20% spare capacity for peak seasons and high-turnover sealing requirements. Site selection weighs traffic, logist...
Small and medium cold storage demand is expected to exceed 80 million cubic meters in five years, driven by sinking cold chain logistics. These facilities feature small footprints, single temperature zones and frequent turnover, requiring refrigerated stability of 0-10℃ and frozen control of -20 to -30℃ within ±1℃. Selection spans piston, scroll and screw compressors, fi...
CoolIT Systems, founded in 2001 and expanded to data center and server OEMs since 2014, delivers advanced liquid cooling across cold plates, CDUs and racks from Canada and China bases, partnering with Wuxi Fuman Technology. Its OMNI all-metal cold plate achieves 4000W heat dissipation—more than double the previous industry limit—with proprietary Split-Flow technology del...
High-pressure hydraulic needle valves are precision-engineered components essential for regulating fluid flow in demanding applications such as aerospace hydraulics, industrial servo systems, injection molding machines, and advanced manufacturing equipment. These valves feature a slender, tapered needle that adjusts the annular gap between itself and the valve seat to co...
In the world of oxy-fuel welding and cutting, acetylene gas is an indispensable fuel, prized for its intense flame temperature. However, its unique properties—it is unstable under pressure, highly flammable, and forms explosive mixtures with air—make handling it a task demanding utmost respect and caution. At the heart of safe acetylene usage lies the pressure regulator,...
A CDU, or Cooling Distribution Unit, handles cold energy transfer, circuit isolation and even flow allocation, typically serving 8 to 20 racks at 30kW to 200kW. Inside, six core modules keep it running: plate heat exchangers with 93%+ efficiency isolate primary and secondary loops; redundant circulation pumps switch over within 5 seconds; electric regulating valves contr...
China's MIIT data shows 2023 large-scale data centers averaged PUE 1.35 and hyperscale facilities 1.27, but new AIDC projects with modern cooling hit 1.1-1.2 while legacy stock stays at 1.4-1.8. Global hyperscalers like Google and Microsoft hold 1.1-1.2, with free cooling or immersion sites reaching 1.05-1.08. Liquid cooling cuts PUE two ways—high-temperature coolant ena...
Structural load assessment is the indispensable precondition for legacy data center liquid cooling retrofit. Air-cooled halls typically bear 8-12 kN/m² while small office server rooms support only 3-5 kN/m²; liquid cooling adds 300-800kg CDUs, 15-25kg/m fluid-filled pipes and 1-3 ton tanks—a 20-rack retrofit adding 3-8 tons. The hidden risk is concentrated point load: an...
Choosing between centralized and distributed CDU architectures depends on clear scenarios, not universal superiority. Centralized CDUs deliver unified cooling for whole halls with fewer devices, DCIM monitoring and batch maintenance, ideal for one-time large-scale deployments above 1MW with uniform density and stable chilled water—but a failed main pump on a 500kW unit c...
As rack power climbs from 10-20kW to 50-100kW, air-liquid and liquid-liquid CDUs have become two core routes for AI data center cooling transformation. Air-liquid CDU pairs server-side cold plates with existing precision air conditioning for terminal heat dissipation, requiring no civil engineering or outdoor piping and enabling non-stop legacy upgrades—a low-risk, fast ...
