Engineered flow
for the 为 AI 时代
Leak-tight flanges, manifolds and prefabricated piping for the world’s densest GPU clusters — and the power and process plants behind them. Forged since 1998.为全球最高密度的 GPU 集群，以及支撑它们的电力与流程工业，提供零泄漏的法兰、分配歧管与预制管道。始于 1998 年的锻造功底。
Every rack, every reactor, every turbine depends on a joint that must not fail.每一台机柜、每一座反应器、每一台汽轮机，都依赖一个绝不能失效的连接点。
We control the full chain — certified mills, in-house forging, CNC machining, orbital welding, cleanroom assembly and third-party-witnessed testing — so every component ships with traceability from heat number to installed position.我们掌控全链条：认证钢厂原料、自有锻造、数控精加工、自动轨道焊接、洁净室装配与第三方见证测试，让每一个部件从炉批号到安装位置全程可追溯。
From CDU to cold plate — 从 CDU 到冷板，
Direct-to-chip cooling has moved the coolant loop onto the white-space floor. YAMAN supplies the stainless steel headers, flanged connections, rack manifolds and prefabricated spools of the Technology Cooling System (TCS) — cleaned, passivated, helium-tested and delivered ready to bolt in.直接芯片液冷把冷却回路带进了机房白区。雅曼供应技术冷却系统（TCS）中的不锈钢主管、法兰连接、机柜分配歧管与预制管段——清洗、钝化、氦检漏后交付，到场即可螺栓连接。
Zero-leak by design零泄漏设计
Weld-neck joints, spiral-wound 316L gaskets and helium mass-spectrometer testing to 1×10⁻⁹ mbar·l/s.对焊法兰接头、316L 缠绕垫片，氦质谱检漏达 1×10⁻⁹ mbar·l/s。
Particle-free coolant无颗粒冷却液
Pickled, passivated and flushed to ISO 4406 16/14/11; capped and nitrogen-purged for shipment.酸洗钝化、冲洗至 ISO 4406 16/14/11，封堵并充氮发运。
Prefabricated & modular模块化预制
Skid and spool prefabrication cuts on-site welding by up to 80% and compresses build schedules.撬装与管段工厂预制，现场焊接量最多减少 80%，显著压缩工期。
Built for 130 kW+ racks面向 130 kW+ 机柜
Hydraulic design support for NVIDIA GB200/GB300-class densities and OCP / ASHRAE TC 9.9 guidance.支持 GB200/GB300 级算力密度的水力设计，遵循 OCP 与 ASHRAE TC 9.9 指南。
Six disciplines. One roof.六道工序，一个工厂。
Closed-die & ring rolling模锻与辗环
8,000-tonne presses and Ø5 m ring-rolling mills shape certified billets into dense, directional grain flow — the foundation of fatigue resistance.8000 吨压机与 Ø5 米辗环机，将认证坯料锻成致密、连续的金属流线——抗疲劳性能的根基。
5-axis CNC to ±0.02 mm五轴数控 ±0.02 mm
Sealing faces machined to 125–250 µin Ra serrated or 63 µin smooth finish; bolt circles verified on CMM.密封面按 125–250 µin Ra 锯齿纹或 63 µin 光面加工；螺栓孔分布圆由三坐标检测。
Orbital GTAW fabrication自动轨道 TIG 焊接
ASME IX-qualified procedures, purge-controlled root passes and 100% weld mapping for every spool.采用 ASME IX 评定工艺，背面充气保护打底，每一条管段 100% 焊口建档。
PAUT · RT · PMI · Hardness相控阵 · 射线 · 光谱 · 硬度
Phased-array UT, digital radiography, positive material identification and macro/micro metallography in our CNAS-accredited lab.在 CNAS 认可实验室进行相控阵超声、数字射线、材料光谱鉴别及宏观/微观金相检测。
Hydro · Pneumatic · Helium水压 · 气压 · 氦检
1.5× design hydrotest, pneumatic proof and helium leak test before cleaning, capping and N₂ purge.1.5 倍设计压力水压试验、气压验证与氦检漏，随后清洁、封堵、充氮。
Global, tagged, sequenced全球交付 · 编码 · 按序
Spools tagged to isometric line numbers and crated in installation sequence, shipped FOB / CIF / DDP to 60+ countries.管段按轴测图线号挂牌、按安装顺序装箱，FOB / CIF / DDP 发往 60 多个国家。
Over 18,000 standard SKUs. Unlimited engineered.18,000+ 标准规格，定制无上限。
Carbon, low-temperature, alloy, stainless, duplex, super-duplex, nickel alloys and titanium — machined to ASME, EN, DIN, JIS, GOST and GB, or to your drawing.碳钢、低温钢、合金钢、不锈钢、双相钢、超级双相钢、镍基合金与钛材——按 ASME、EN、DIN、JIS、GOST、GB 标准或客户图纸制造。
Flanges法兰
WN · SO · BL · SW · TH · LJ · RTJ · Orifice · Spectacle — ½″ to 120″, Class 150–2500, PN6–PN400.带颈对焊、平焊、盲板、承插焊、螺纹、松套、环连接、孔板、8 字盲板——½″ 至 120″，Class 150–2500，PN6–PN400。
Liquid-Cooling Manifolds液冷分配歧管
Rack, row and CDU manifolds in 316L with dry-break quick disconnects, ports to OCP specifications.316L 机柜级、列级与 CDU 歧管，配无滴漏快接，接口符合 OCP 规范。
Prefabricated Spools预制管段
Shop-fabricated, tested and tagged spools and skids for TCS, FWS, process and utility lines.工厂预制、测试并挂牌的管段与撬块，用于 TCS、FWS、工艺及公用工程管线。
Butt-weld Fittings对焊管件
Seamless & welded elbows, tees, reducers, caps and stub ends to ASME B16.9 / EN 10253.无缝及焊接弯头、三通、异径管、管帽、翻边短节，符合 ASME B16.9 / EN 10253。
Forged Fittings锻制管件
Socket-weld & threaded fittings 3000–9000#, olets and high-pressure couplings to ASME B16.11 / MSS SP-97.3000–9000# 承插焊与螺纹管件、支管台及高压接头，符合 ASME B16.11 / MSS SP-97。
Hygienic & BPE卫生级 / BPE
Electropolished 316L tubing, ferrules and fittings to ASME BPE for pharma and biotech.电解抛光 316L 管道、卡盘及管件，符合 ASME BPE，用于制药与生物技术。
Born in heavy industry. Built for compute.生于重工业，为算力而建。
The same metallurgy, welding discipline and test regimes trusted in refineries and power stations now protect the most valuable rooms on earth.在炼厂与电站中久经验证的冶金、焊接与检测体系，如今守护着世界上最昂贵的机房。
AI & Hyperscale Data CentresAI 与超大规模数据中心
TCS / FWS loops, CDU skids and rack manifolds for liquid-cooled GPU halls.TCS/FWS 回路、CDU 撬块与机柜歧管，服务液冷 GPU 机房。
Power Generation电力能源
Supercritical steam, HRSG and nuclear auxiliary piping in P91/P92 and stainless.超临界蒸汽、余热锅炉与核电辅助管道，P91/P92 及不锈钢。
Refining & Petrochemical炼油与石化
Sour-service, high-temperature and cryogenic piping to NACE MR0175 / ISO 15156.抗硫、高温与深冷管道，符合 NACE MR0175 / ISO 15156。
Oil, Gas & LNG油气与 LNG
API 6A / 6D components, RTJ flanges and −196 °C LNG systems for upstream to export.API 6A/6D 部件、RTJ 法兰与 −196 °C LNG 系统，覆盖上游至出口终端。
Pharma & Biotech制药与生物
ASME BPE hygienic tubing, electropolished to Ra ≤ 0.38 µm.ASME BPE 卫生级管道，电解抛光 Ra ≤ 0.38 µm。
Hydrogen & New Energy氢能与新能源
High-pressure H₂, electrolyser BoP and CCUS piping.高压氢气、电解槽辅助系统与 CCUS 管道。
A single drop in a GPU hall costs 机房里的一滴泄漏，
That is why every YAMAN cooling assembly passes four gates before it leaves our plant: material verification, dimensional inspection, pressure proof and helium leak test — each signed, recorded and linked to its serial number.因此，每一套雅曼冷却组件出厂前都要通过四道关口：材料验证、尺寸检验、压力验证和氦检漏——每一步签字、记录，并与序列号绑定。
Approved where it matters most.在最关键的地方，获得认可。
Third-party approvals from TÜV, DNV, Bureau Veritas, Lloyd’s Register, ABS and SGS, plus vendor qualification with leading EPCs, utilities and national oil companies.获得 TÜV、DNV、BV、LR、ABS、SGS 等第三方认可，并通过领先 EPC、电力公司与国家石油公司的供应商资格审核。
9001
2000
SOK
See the work, not the brochure.用画面说话，而不是宣传册。
Short films from our forge, machine shop, laboratories and the sites our components serve.来自锻造车间、机加工车间、实验室以及产品服务现场的短片。
Engineered in China. Trusted on six continents.中国制造，六大洲信赖。
Sales and technical service across Europe, the Middle East, the Americas and Asia-Pacific — with stocking partners in Rotterdam, Dubai, Houston and Singapore for fast-track MRO.销售与技术服务覆盖欧洲、中东、美洲与亚太，并在鹿特丹、迪拜、休斯敦和新加坡设有备货合作伙伴，满足紧急维修需求。
Engineer your next loop with YAMAN.与雅曼一起，打造下一条关键管线。
Send your P&ID, isometrics or MTO. Our application engineers return a technical-commercial offer within 48 hours — material, standards, testing and delivery fully specified.发送 P&ID、管道轴测图或材料清单（MTO），我们的应用工程师将在 48 小时内提供技术与商务报价——材质、标准、检测与交期全部明确。