Pressure Vessel Fabrication for Hyperscale Data Centers

Hyperscale data centers are the most demanding construction projects being built in the United States right now. They are being designed and delivered under compressed timelines, to extreme density and power requirements, in locations where local supply chains are still catching up to the pace of investment. When a hyperscale developer or mechanical contractor needs a pressure vessel fabricator for a data center cooling system, the vendor they choose determines whether the mechanical plant comes together on schedule or becomes the critical path item that delays a facility worth hundreds of millions of dollars.

Smith Industries is the pressure vessel fabricator hyperscale data centers in West Texas and Eastern New Mexico can count on. We build ASME Section VIII stamped pressure vessels from our 300,000 square foot facility in Midland, Texas, with in-house welding, blasting, coating, testing, and documentation. Our shop has the capacity, the certifications, and the regional positioning to deliver what data center mechanical systems require, on the schedule those projects demand.

The Hyperscale Build Cycle Has Created Urgent Demand for Qualified Fabricators

The scale of data center construction underway across North America is unlike anything the infrastructure industry has seen before. Hyperscale cloud providers are racing to bring AI computing capacity online, and the pace of investment is accelerating rather than moderating. The global hyperscale data center pipeline spans hundreds of future facilities, and capital expenditures from the largest operators are projected to exceed $600 billion in 2026 alone. New hyperscale facilities are being designed with capacities measured in hundreds of megawatts, with some campuses targeting gigawatt-scale infrastructure.

This build cycle is creating pressure throughout the mechanical supply chain. According to the Congressional Research Service, computing capacity under construction in North America at the end of 2024 reached a record-high 6,350 megawatts, more than double the figure from a year earlier. That level of construction activity means that every component in the mechanical cooling plant, including pressure vessels, buffer tanks, and thermal storage systems, is being sourced against tight schedules with limited room for fabricator delays or quality failures.

For developers and mechanical contractors working in West Texas and Eastern New Mexico, Smith Industries solves a real supply chain problem. Rather than sourcing pressure vessels from fabricators in other states and managing long-haul delivery logistics, project teams can work with a qualified ASME fabricator located in the heart of the region where data center construction is concentrated.

What Hyperscale Cooling Systems Require From a Pressure Vessel Fabricator

Hyperscale data center cooling systems are engineered to handle thermal loads that would have seemed impossible for a commercial building a decade ago. AI compute racks operating at 50 to 100 kilowatts per rack require liquid cooling infrastructure that is sized, fabricated, and commissioned to a level of precision that general industrial fabricators often cannot meet. A pressure vessel fabricator for hyperscale data centers must be capable of delivering on several requirements that go well beyond what standard tank fabrication demands:

• ASME Section VIII U-stamp certification with documented quality control procedures, qualified welding personnel, and authorized third-party inspection on every vessel.

• Tight fabrication tolerances on nozzle locations, elevations, and orientations that must align with modular mechanical plant drawings without field modification.

• Material traceability from mill certificates through fabrication and testing, with complete documentation packages delivered at shipment.

• Hydrostatic testing to 1.3 times the maximum allowable working pressure, performed in-house with certified test records included in the documentation package.

• Interior lining capability for vessels in glycol, deionized water, or treated water service, where interior corrosion would contaminate the cooling loop and damage downstream equipment.

• Schedule reliability measured in days, not weeks, because hyperscale construction timelines do not accommodate fabricator delays.

Smith Industries meets every one of these requirements from a single facility in Midland. Our shop does not outsource welding, blasting, coating, or testing to third-party vendors. Every step of the pressure vessel fabrication process happens under our roof, which means we control quality and schedule rather than depending on subcontractor availability.

ASME U-Stamp Fabrication: Why It Is Non-Negotiable for Data Center Projects

The ASME Boiler and Pressure Vessel Code certification program requires fabricators to maintain a documented quality control system, use qualified welding procedures, employ certified welders, and submit to third-party audits by authorized inspection agencies. Fabricators who earn the U-stamp are authorized to place the ASME certification mark on pressure vessels, which is the documentation that engineering firms, insurance carriers, and facility operators require before a vessel can be commissioned in a regulated mechanical system.

For hyperscale data center projects, ASME U-stamp fabrication is not optional. Engineering firms that design hyperscale cooling plants specify ASME vessels because the certification provides a documented chain of quality from material sourcing through final testing. Insurance carriers require it. State mechanical codes in most jurisdictions require it for vessels operating above 15 psig. And the commissioning process for a hyperscale mechanical plant cannot proceed if vessel documentation is incomplete or noncompliant.

What this means practically is that a pressure vessel fabricator for hyperscale data centers must hold an active ASME U-stamp, maintain the quality control program the certification requires, and be able to produce a complete Manufacturer's Data Report for every vessel. Smith Industries holds ASME Section VIII Division 1 U-stamp certification, and our quality control program is maintained through regular third-party audits. Every vessel we ship includes the full documentation package that hyperscale projects require.

The Vessel Types Hyperscale Cooling Plants Require

A hyperscale data center cooling plant is not a single system. It is a layered thermal management infrastructure that includes multiple vessel types serving distinct functions at different points in the cooling loop. Smith Industries fabricates all of the vessel types that hyperscale mechanical systems require:

• Chilled water buffer tanks, which store chilled water volume to absorb load spikes from AI workloads without forcing chiller compressors to cycle rapidly. Proper buffer tank sizing protects compressor life and stabilizes supply water temperatures to server cooling equipment.

• Expansion vessels, which manage the volumetric change in coolant as system temperatures fluctuate during startup, load changes, and shutdown cycles, preventing pressure excursions that would trip relief valves or damage system components.

• Air and dirt separator vessels, which remove entrained air and particulates from the cooling loop before they can damage pump impellers, foul heat exchanger surfaces, or reach direct-to-chip cooling plates in AI compute racks.

• Thermal energy storage tanks, which store chilled water during off-peak hours and release it during peak cooling demand periods, reducing chiller runtime and lowering operating costs for facilities with time-of-use power pricing.

• Primary circuit headers and distribution vessels, which distribute coolant from the central plant to multiple secondary loops serving different rows of server racks or different zones within a large campus facility.

Liquid Cooling Demand Is Growing: What That Means for Fabricators

The U.S. Department of Energy has recognized liquid cooling for data centers as a national infrastructure priority. The DOE committed $40 million in funding specifically to develop high-performance, energy-efficient liquid cooling solutions for data centers, citing data centers' significant share of total U.S. electricity consumption. The DOE's Best Practices Guide for Energy-Efficient Data Center Design, released in July 2024, explicitly promotes liquid cooling systems and closed-loop architectures as the preferred approach for high-density computing environments.

This federal investment and guidance reflects a market reality that hyperscale operators already understand: air cooling cannot scale to the rack densities that AI workloads require. Direct-to-chip liquid cooling, rear-door heat exchangers, and immersion cooling systems all depend on the same foundational infrastructure of pressure vessels, buffer tanks, and distribution equipment that a qualified ASME fabricator must supply. As liquid cooling adoption accelerates across the hyperscale market, demand for pressure vessel fabricators with the right certifications, materials capability, and schedule reliability is increasing faster than supply.

Smith Industries is positioned to meet that demand. Our facility has the capacity to run multiple large vessel fabrication orders concurrently, and our in-house capabilities eliminate the subcontractor bottlenecks that create schedule risk on data center projects.

Schedule Reliability: The Factor That Separates Fabricators on Data Center Projects

Hyperscale data center construction operates on compressed schedules tied to revenue activation dates that do not move. When a hyperscale operator commits to bringing a new facility online, every subcontractor and vendor in the supply chain works backward from that date. A pressure vessel that ships late does not just create a field coordination problem. It delays the mechanical plant commissioning, which delays the electrical energization sequence, which delays the IT equipment installation, which delays the facility going live. The financial consequence of a delayed data center activation can reach millions of dollars per week.

The schedule risk that most fabricators introduce comes from outsourcing. When a fabricator sends steel to a third-party blasting shop, sends blasted steel to a coating subcontractor, and then brings coated components back to the shop for assembly, every handoff is a potential delay. Subcontractor scheduling conflicts, weather holds, and transportation issues compound into fabrication schedules that slip without warning.

Smith Industries eliminates that risk by keeping every process in-house. The advantages for hyperscale project schedules include:

• No third-party blasting or coating subcontractors. Surface preparation and coating happen in our shop on our schedule.

• No offsite hydrostatic testing. We perform pressure testing in-house and turn documentation around without waiting on an external test facility.

• No assembly delays from outsourced component fabrication. All vessel components are rolled, formed, and welded in our facility.

• Direct delivery coordination from Midland to data center sites across West Texas and Eastern New Mexico, without long-haul shipping logistics from out-of-state fabricators.

For mechanical contractors working on hyperscale projects in the Permian Basin region, Smith Industries is the pressure vessel fabricator that removes schedule uncertainty rather than adding to it.

Modular Cooling System Fabrication for Hyperscale Applications

Many hyperscale data center projects use modular mechanical plant construction, where the cooling plant is assembled as a prefabricated module in a shop environment and delivered to the site ready for connection. Modular construction compresses the overall project schedule by running site civil work and mechanical plant fabrication simultaneously, and it improves quality by moving mechanical assembly from a field environment into a controlled shop setting.

Pressure vessels in a modular cooling plant must meet tighter dimensional requirements than vessels installed in a conventional stick-built mechanical room, because there is no opportunity for field adjustment once the module is assembled. Nozzle locations, orientations, and elevations must be correct to the drawing before the vessel goes into the module frame. Coating and testing must be complete before the vessel is positioned, because access for rework after installation is severely limited.

Smith Industries has fabricated pressure vessels for modular cooling system applications and understands the coordination requirements that modular assembly demands. Our fabrication team works directly from customer-supplied modular plant drawings to ensure that every vessel dimension, nozzle configuration, and connection schedule aligns with the module design before fabrication begins.

Talk to Smith Industries About Your Next Data Center Project

Smith Industries is the pressure vessel fabricator hyperscale data centers in West Texas and Eastern New Mexico can rely on for ASME Section VIII compliance, schedule reliability, and complete in-house fabrication capability. Whether you are sourcing buffer tanks, expansion vessels, separator vessels, or custom pressure vessels for a modular cooling plant, our team is ready to work from your drawings and deliver on your schedule.