List | Piping Technology & Products, Inc.

Constant Spring Supports for Heat Recovery Steam Generators (HRSG)

March 9, 2026

PT&P custom-designed constant spring support assemblies for a heat recovery steam generator at a combined-cycle power plant. These power plants utilize gas turbines, steam turbines, heat exchangers along with other components to make use of “exhaust waste” for a more efficient system. These 200-F Type constants were fabricated from A36 carbon steel and include a hot-dipped galvanized finish. The spring coils are 0units are installed beneath the supported equipment and are engineered to allow controlled vertical movement (upward and downward) as required by the application.

The dimensions are 13″ W x 31″ L x 18-1/2″ H. Standard load and travel tests along with a quality control inspection were conducted prior to shipment. Since the mid-1970s, we have been working with power plants and have deep expertise in the evolution of power plant design over the last 40+ years, including the impact that it has had on Pipe Stress Engineering requirements.

We have supplied products and services to a wide range of power generation facilities, including coal, natural gas, biomass, solar, wind, geothermal, nuclear, and hydroelectric plants. As a leading global provider of expansion joints, engineered pipe supports, and pipe stress engineering services, we deliver integrated, innovative solutions capable of addressing even the most complex and demanding project challenges.

PT&P REF. ORIGINAL POST 01062021

The PT&P Welding School: Training Welders for Modern Infrastructure

March 5, 2026

Pedro hidalgo with graduate rodrigo gurrusquieta

The Welding “Godfather” Behind Piping Technology’s In‑House School

At Piping Technology & Products (PT&P), welding is more than a step in fabrication: it is the core skill that keeps piping systems safe, reliable, and in service for decades. That is why Piping Technology built its own in‑house welding school, led by Pedro “Pete” Hidalgo (pictured above), a veteran welder with more than 30 years of experience across refineries, heater boxes, and complex shutdown work across the U.S.

Pete is known on the shop floor as the “welding godfather”:

He trains and mentors new welders.
He tests and certifies every welding candidate before they are hired.
He coaches experienced welders when they run into technical problems on live jobs.

His philosophy is simple: stay open‑minded, keep learning, and never compromise on safety or weld quality.

Why Piping Technology Built a Welding School

PT&P’s products, pipe supports, bellows, expansion joints, anchors, and guides, depend on welds that can handle heat, pressure, movement, and fatigue over long service lives. A weak weld in the wrong spot can lead to leaks, failures, and unplanned shutdowns.

To protect customers’ piping systems, Piping Technology chose to invest heavily in internal training rather than rely solely on the external labor market. That led to the creation of the PT&P Welding School, which:

Runs as a full‑time, company‑funded program (not just weekend or after‑hours classes).
Backfills participants’ previous roles so they can focus 100% on learning.
Is embedded in the live fabrication area, so trainees learn on production‑grade equipment.

This is a high‑commitment model: for up to 90 days, participants step out of their regular jobs to focus solely on welding competency.

How the Basic Welding School Works

Pete hidalgo works with a welding school student. — PT&P Welding School Instructor and Master Welder Pete Hidalgo instructs a student.

The initial welding school is designed for Piping Technology employees who want to move into welding or strengthen their skills.

Key elements include:

Eligibility and vetting
- Must have at least one year at Piping Technology
- Attendance and performance history are reviewed
- Supervisor approval is required to address labor backfill
Duration and structure
Planned as a 90‑day full‑time program
- Some classes have produced strong welders in as little as 60 days
- Monday–Friday in the welding booths; Friday-Saturday buddy‑shifts in live production to apply what they’ve learned
Core skills taught
- Safe use of multiple grinder types and sizes
- Cleaning and prepping material
- Cutting material with a torch
- Beveling the metal plate so it can be welded properly
- Flux‑core (FLUX) Mig welding as the foundational process
- Progression toward TIG/Heliarc for those with aptitude

Students earn a stamp when they pass the flux‑core test plate. The pass rate for that first certification has been about 90%, and graduates receive strong feedback from foremen, supervisors, and plant managers across the shop.

From the Classroom to Critical Products: Bellows, Expansion Joints, and More

“It is good to see a company like PT&P investing in a critical industry skill like welding for continued quality production and employee development,” said Training Coordinator Michael Mangione. “I’m excited to be part of the project to continue and develop internal training, such as the Piping Technology Welding School.”

Piping Technology’s welding school is not training welders in a vacuum. Every skill is mapped to the products that support piping systems in real plants:

Pipe supports and restraints: Welders learn to produce consistent, structurally sound welds on supports that carry heavy loads and experience high vibration.
Expansion joints and bellows: These components absorb thermal movement and pressure; welders must reliably join paper‑thin sheet material to thicker plate without burn‑through, using TIG/HeliArc techniques.
Pipe anchors and guides: Precise welds on anchors and guides help control pipeline movement, reducing stress on equipment and preventing misalignment and damage.

For bellows, candidates are tested on their ability to weld extremely thin material to a 2″ x 10″ quarter‑inch plate without burning through the plate. Those who show potential move on to a 3G test and then into specialized bellows training booths, where they may spend several weeks before being released to production.

Several graduates from the welding school have already moved into Sweco Fab, a Piping Technology subsidiary, where they contribute directly to fast‑turnaround, high‑complexity builds that would typically take much longer elsewhere.

What Makes Piping Technology’s Training Different

“Our goal at PT&P is to be an organization of continuous learning, one where we encourage curiosity and position it as a core competency,” said Director of Human Resources Monique Woodard. “We want our teams to have opportunities for growth embedded in their employee experiences, no matter their role, background, education, or professional goals.”

PT&P’s value proposition to customers rests on three pillars, all supported by the welding school:

Consistency and quality at scale
- Welders are trained to Piping Technology’s specific procedures for pipe supports, bellows, expansion joints, anchors, and guides.
- Every new welder is tested and bent (physically via coupon bend testing) before they touch customer work.
In‑house expertise that evolves
- Pete continues to weld in production, so he stays hands‑on and current.
- He mentors rising welders, such as graduate Rodrigo Gurrusquieta, who now handle complex work and help train the next wave.
Reliability of piping infrastructure
- By improving weld quality at the source, Piping Technology reduces rework, field issues, and customer downtime.
- The welding school builds a pipeline of skilled welders who can adapt to new materials, designs, and code requirements over time.

For Piping Technology, the welding school is both a talent- and quality‑control strategy. It ensures that every weld behind a pipe support, expansion joint, anchor, or guide is made by someone who has been trained, tested, and supported from day one.

What’s Next: Advanced Welding School

Piping Technology is now planning an advanced welding school track to build on the basic program. The advanced track will focus on:

Advanced flux‑core and MIG plate work.
TIG/Heliarc plate and, later, pipe.
Pipe welding for field‑type and coded applications.
Skills tailored to bellows, tank work, and other critical CO‑job fabrication.

The long‑term goal is a structured path for a motivated employee to progress from basic plate work to complex pipe and bellows welding, all within Piping Technology. The next welding school class starts on April 1, with approximately 40 new students, while the advanced school track is being planned for later in the year.

Secure Your Piping Systems with PT&P’s Expertly Trained Welders

If you’re responsible for piping systems and need reliable pipe supports, bellows, expansion joints, anchors, and guides, you benefit directly from the quality of Piping Technology’s welders.

Learn more about how our welding school supports your projects and reliability goals.
Talk with our team about upcoming work that demands high‑integrity welds.
Explore how Piping Technology can help you standardize and support your piping infrastructure.

Contact Piping Technology & Products to discuss your next project and how our in‑house welding school helps protect your piping systems for the long term.

Beyond the Mega Rule: Using Pipe Stress Analysis for a Competitive Midstream Turnaround Advantage

February 27, 2026

Leverage pipe stress analysis from Piping Technology to ensure compliance and minimize maintenance shutdown time for agig midstream assets.

The midstream sector is currently navigating one of the most demanding regulatory shifts in decades. With the full implementation of the Pipeline and Hazardous Materials Safety Administration-PHMSA Mega Rule (Gas Transmission Integrity Management), the mandate has shifted from periodic check-ins to a rigorous, data-driven requirement for traceable, verifiable, and complete (TVC) records.

For regulatory compliance managers and maintenance directors, the pressure is about the physical reality of aging infrastructure. How do you demonstrate that a 40-year-old pipeline segment remains fitness-for-service (FFS) under modern safety factors?

The answer lies in transforming pipe stress analysis (PSA) from a new project requirement into a strategic maintenance tool. By integrating sophisticated analysis with turnaround (TAR) scheduling, operators can move from reactive scrambling to proactive asset life extension.

The Compliance Mandate: More Than Just a Box to Tick

The regulatory landscape, governed by PHMSA, ASME B31.8, and API 579-1, now demands greater granularity in assessing the structural integrity of pipeline systems. The Mega Rule specifically targets moderate-consequence areas (MCAs) and requires operators to reconfirm the maximum allowable operating pressure (MAOP).

If your records are incomplete or your assets are aging, you face a choice:

Lower the operating pressure (reducing throughput and revenue).
Pressure tests the line (costly and carries a risk of failure).
Conduct a comprehensive engineering analysis to prove integrity.

For many, the third option is the most viable, but it requires more than a visual inspection. It requires a deep dive into the physics of the piping system.

The Predictive Power of Pipe Stress Analysis

PSA is often pigeonholed as a design-phase activity. However, in the context of the Mega Rule, PSA is a powerful diagnostic tool for existing assets. By creating a digital twin or a computational model of an aging system, engineers can simulate thermal expansion, seismic loads, and weight distribution.

Applying PSA to aging infrastructure allows you to:

Identify Hidden Fatigue: Spot areas where original design limits are being exceeded due to decades of settlement or operational changes.
Justify Continued Service: Use API 579-1 Fitness-for-Service standards to demonstrate to regulators that a slightly corroded or deformed section remains structurally sound, avoiding unnecessary replacements.
Prioritize Repairs: Instead of replacing an entire mile of pipe, PSA can pinpoint the specific supports or expansion joints that absorb the most stress, enabling a targeted repair strategy.

Integrating Planning and Parts: The PT&P Standard

The greatest risk to any turnaround or shutdown is the discovery item: the unexpected crack or failed support found only after the system is depressurized. These discoveries lead to schedule creep, emergency shipping costs, and extended downtime.

Piping Technology and Products (PT&P) bridges the gap between engineering analysis and the physical work scope. Our approach integrates the analytical results directly into your turnaround planning services.

1. The Comprehensive Review

Before the shutdown begins, PT&P engineers perform a site walkdown and stress analysis. We don’t just look for rust; we look for “bottleneck” stresses. This results in a Prioritized Replacement List baked into your TAR schedule months in advance.

2. Engineering the Fix

If the analysis flags a worn guide support, a bottomed-out spring hanger, or a fatigued expansion joint, our teams know the solution isn’t just any part; it’s the correct part. We ensure that every replacement is engineered to handle the current operating loads, not just the loads estimated back in 1980.

3. Quick-Delivery Solutions

The integrated part of our strategy culminates in our fabrication shop. PT&P specializes in pre-engineered and quick-delivery pipe supports. Because we own the engineering data from the analysis phase, we can begin fabrication of custom supports or expansion joints to be delivered just in time for your shutdown window.

Example: If a stress analysis conducted three months before a TAR reveals that a critical T-joint is overstressed due to a failed constant-core hanger, PT&P can design, build, and ship the replacement hanger so it arrives on the day the cranes are on-site. No waiting, no emergency surcharges.

The Bottom Line: Reducing Risk and Cost

The convergence of the Mega Rule and aging infrastructure doesn’t have to be a financial drain. By leveraging pipe stress analysis as the foundation of your turnaround strategy, you achieve three critical outcomes:

Regulatory Peace of Mind: You have the engineering documentation (TVC records) to prove your assets meet PHMSA and ASME standards.
Minimized Downtime: By identifying repair needs before the shutdown, you eliminate the “discovery and delay” cycle that plagues most midstream TARs.
Capital Efficiency: Spend your maintenance budget where it matters most. PSA prevents you from replacing healthy pipes while ensuring that high-stress components are renewed.

In the era of the Mega Rule, compliance is less of an administrative hurdle and more of an engineering discipline.

Pipeline Compliance for Midstream Operations: FAQ

To help Regulatory Managers and Asset Integrity teams quickly find answers regarding the evolving PHMSA landscape, we have compiled this high-authority brief on the intersection of engineering and compliance.

How does Pipe Stress Analysis support PHMSA Mega Rule compliance?

PSA provides the traceable, verifiable, and complete (TVC) engineering data required by the Mega Rule (49 CFR 192.624). While traditional inspections identify visible damage, PSA validates the structural integrity of aging assets by simulating current operational loads against original design limits. It allows operators to justify Maximum Allowable Operating Pressure (MAOP) and provides the technical basis for Fitness-for-Service (FFS) assessments under API 579-1.

Can Pipe Stress Analysis prevent Turnaround (TAR) delays?

Yes. By performing pipe stress analysis during the pre-shutdown planning phase, operators can identify stress bottlenecks and failing supports before the system is opened. This transforms discovery items into planned workscopes, enabling the prefabrication and delivery of custom pipe supports and expansion joints before the TAR begins, effectively eliminating mid-shutdown engineering delays.

What are the benefits of Integrating Pipe Stress Analysis with Asset Management?

Integrating PSA into a broader integrity program shifts the strategy from reactive maintenance to predictive life extension. Key benefits include:

Targeted Remediation: Replacing only the components under high stress rather than entire pipeline segments.
Regulatory Justification: Providing documented engineering proof of safety factors for aging infrastructure.
Operational Optimization: Understanding how thermal expansion and vibration impact the longevity of connected equipment like compressors and pumps.

How does PT&P reduce regulatory risk?

PT&P turnaround planning services bridge the gap between problem identification and solution implementation. By conducting site walkdowns and stress modeling months before a shutdown, PT&P ensures that all required hardware, such as variable-spring hangers, constant-core supports, or expansion joints, is engineered to modern codes and delivered just-in-time. This ensures that repairs meet the most stringent PHMSA and ASME B31.8 safety standards without extending the shutdown window.

At PT&P, we provide a single-source solution that unites high-end stress engineering with world-class manufacturing. Unlike firms that only provide a report or vendors that only sell parts, we deliver a closed-loop system: we analyze the problem, engineer the solution, and manufacture the hardware. This integrated approach ensures that your aging assets remain compliant, and your turnarounds stay on schedule.

Turn your compliance requirements into a streamlined maintenance strategy. Contact our field services team to schedule a preliminary system walkdown or to discuss how our pipe stress analysis can improve and streamline your next turnaround.

Custom Constant Supports: Heavy-Duty Solutions for High Loads and Limited Clearance

February 13, 2026

Constant spring supports are vital for large vessels and piping that move due to thermal expansion. When standard parts don’t fit into the available space or fail to hold the weight, our custom engineered pipe supports step in. We stabilize heavy loads to stop them from damaging your critical equipment.

Constant spring support

What is a Constant Spring Support?

A constant spring support exerts a uniform supporting force on a pipe or vessel throughout its vertical travel. Unlike variable springs, the load remains the same even as the pipe moves up or down. These supports are essential for:

Supporting Massive Loads: Handling weights that exceed 100,000 pounds.
Accommodating Load/High Travel combination: Managing movement of 4 to 6.5 inches due to thermal expansion coupled with 104,000 to 143,000 lbs of load.
preventing Stress Transfer: Ensuring no extra weight is transferred to the piping or vessel walls during operation.

Dangote constant support

Piping Technology & Products manufactures constant supports to exact needs. We use durable materials and custom designs. Whether you need a standard PT&P 200 F-Type or a heavy-duty 200 C-Type, we build supports that fit your specific load, travel, and space limits.

Constant spring support front

Case Study: Custom Supports for the Dangote Refinery

For the Dangote Refinery in Nigeria—the world’s largest single-train refinery—Piping Technology and Products supplied custom constant supports. This facility processes 650,000 barrels of crude oil per day and requires substantial infrastructure.

The Challenge: The customer needed supports for huge vessels. The loads were extreme (up to 143,000 pounds), and the space was tight. Standard catalog items could not handle the weight or fit in the narrow gaps,.

The Solution: Our engineering team created three unique designs to solve these problems:

Side-by-Side F-Types: We paired two supports to lift 104,000 pounds with 6.5 inches of travel. This used a custom, heavy-duty linkage.
Stacked Assemblies: For narrow spaces, we placed supports on top of each other. This design accommodated 110,000 pounds of load with 4 inches of travel.
High-Capacity C-Types: We built single-can supports capable of holding 143,000 pounds, a feat few competitors can match.

The Result: We delivered 200 F-Type and 200 C-Type supports. They fit perfectly and accommodated thermal expansion, keeping the refinery’s vessels safe.

Constant spring support back

Designed for Refinery Demands

In the oil and gas sector, safety and uptime are key. Piping systems and vessels face harsh conditions:

High Heat: Metal expands when hot. Supports must move with it.
High Loads: Equipment is massive. Supports must not fail under the load.
Space Limitations: Refineries are crowded. Supports must fit in limited space.

Pipe Anchors, Guides, and Utility Skid Design for High-Purity Semiconductor Manufacturing

February 13, 2026

Technician examining a high tech microchip in a clean room

In the race to reach “First Wafer,” the timeline for facility construction is the ultimate bottleneck. Modern semiconductor manufacturing relies on complex utility skids: pre-fabricated, modular systems that deliver everything from ultra-pure water (UPW) to specialty chemical blends.

While the process chemistry gets all the glory, the mechanical integrity of these skids depends on a disciplined application of pipe anchors and guides. In a high-density fab environment, these components are the difference between a system that scales and one that fails under its own internal pressures.

The Role of Directional Control in High-Density Fabs

As nodes shrink, the fab footprint becomes more crowded. Utility corridors are packed with piping that must navigate tight turns while carrying fluids at varying temperatures.

Pipe Guides: These act as the rails for your system. In semiconductor skids, guides channel thermal expansion into expansion loops or offsets rather than deflecting it laterally into sensitive process equipment.
The Semiconductor Edge: Without precision guiding, a lateral shift of just a few millimeters in a utility line can trigger a domino effect, placing stress on high-purity plastic piping (such as PFA or PVDF) that is prone to creep and stress cracking.

Protecting the Tool: Anchor Loading and Vibration Isolation

The most expensive asset in any fab is the lithography or etching tool. These tools are hyper-sensitive to external forces.

Anchors serve as the “dead-end” for mechanical forces. By strategically placing anchors at the interface between the utility skid and the fab’s main sub-fab piping, engineers can:

Isolate Loads: Ensure that the weight and hydraulic thrust of the utility lines are absorbed by the building’s structural steel, not the tool’s connection points.
Seismic Protection: In regions such as Taiwan and Silicon Valley, seismic anchors are mandatory. They ensure that during an event, the utility skid moves in tandem with the building, preventing catastrophic joint shear.

Accelerating Tool Hook-Up with Modular Support Systems

The primary value of a utility skid in semiconductor manufacturing is speed. A plug-and-play skid enables faster tool hook-up (THU) phases.

By integrating engineered anchors and guides directly into the skid design during the BIM (Building Information Modeling) phase, manufacturers can avoid the challenges that plague traditional construction. When anchors are pre-calculated for the fab’s specific flow rates and temperatures, the risk of a startup leak or vibration-induced failure drops to near zero.

Engineering Insight: In modular skid design, using low-friction slide plates with guides can reduce the total footprint of a piping run by 15-20%, allowing more utility lines in the same overhead space.

The Tool Hook-Up (THU) Checklist: Pipe Support Integrity

Before a utility skid is commissioned and the first chemicals flow, ensure your piping infrastructure meets these semiconductor-grade standards.

1. Alignment & Clearance

[ ] Thermal Clearance: Verify that pipe guides have the specified radial clearance to allow for axial movement without binding.
[ ] Travel Range: For variable spring hangers, ensure the “travel stop” pins have been removed, and the indicator is within the operating range.
[ ] Tool Interface: Confirm that the final connection to the process tool is neutral, meaning the piping is supported independently and isn’t pulling on the tool’s intake flange.

2. Hardware & Material Compliance

[ ] Dissimilar Metals: Check that stainless steel piping is isolated from carbon steel supports using rubber inserts or specialized coatings to prevent galvanic corrosion.
[ ] Cleanroom Protocol: Ensure all support hardware has been wiped down and is free of oils, lubricants, or shop dust that could compromise cleanroom ISO ratings.
[ ] Fastener Torque: Verify that anchor bolts are torqued to design specifications and marked with “torque seal” or witness marks for visual inspection.

3. Dynamic & Seismic Stability

[ ] Seismic Bracing: Ensure all anchors are rigid and that lateral braces are installed according to the seismic zone requirements for the specific fab location.
[ ] Vibration Dampening: Inspect vibration isolation pads for proper compression; ensure they are not “bottomed out” under the weight of the filled pipe.
[ ] Expansion Loops: Verify that there are no temporary shipping restraints or “purlin clips” obstructing the movement of expansion loops or bellows.

Reliability by Design with Piping Technology and Products

In the semiconductor industry, just ‘good enough’ piping can lead to million-dollar downtime. By treating pipe anchors and guides as critical components of the utility skid architecture, fabrication facilities can achieve the mechanical stability required for 24/7 high-volume manufacturing.

Where Nanometers Meet Megatons. Your process requires nanometer-level precision, but your utility infrastructure must withstand massive mechanical forces. At PT&P, we bridge that gap. We focus on delivering engineered reliability. By integrating pipe stress analysis with our custom-manufactured anchors and guides, we ensure your utility skids protect your yield, your equipment, and your timeline.

Stop Stressing Your Skids. Don’t let thermal expansion or vibration compromise your cleanroom’s stability. Partner with the engineers who understand the high-stakes world of semiconductor infrastructure. Schedule a pipe stress analysis for your next tool hook-up.

Managing Flow-Induced Vibration in Power Generation Piping

February 5, 2026

Vibration in power plant piping can be dangerous, Piping Technology designs and makes a full suite of vibration control products

In power plants, piping systems are often subjected to extreme internal forces. From steam hammer events during turbine trips to the constant turbulence of high-pressure flow, flow-induced vibration (FIV) is a persistent threat. Without a system of pipe supports and guides, this unseen energy can lead to catastrophic metal fatigue, cracked welds, and unplanned outages. At Piping Technology & Products, we understand that controlling vibration isn’t just about making the plant quieter; it’s about protecting the structural integrity of your most critical assets.

The Silent Threat of Fatigue Failure

Vibration in power piping is rarely a one-time event; it is a cumulative stressor. When a pipe vibrates at its resonant frequency, it undergoes millions of stress cycles in a matter of days. This phenomenon, known as high-cycle fatigue, can cause even the thickest stainless steel to fail without warning.

Identifying the Vibrational Danger Zones

The risk of vibration is highest where flow direction or velocity changes abruptly. Engineers must pay close attention to:

Bypass Lines: Where high-pressure steam is throttled, creating intense turbulence.
Safety Relief Valve (SRV) Headers: Which experience massive reaction forces during discharge.
Long Horizontal Runs: Which are susceptible to low-frequency swaying if not properly guided.

Strategic Hardware for Vibration Management

To successfully manage FIV, a support system must dampen movement without restricting the pipe’s required thermal expansion. Rigidly pinning a pipe in place may stop the pipe from shaking, but it will cause the pipe to buckle once it reaches operating temperature.

The Role of Sway Braces and Snubbers

The solution lies in specialized hardware. Sway braces provide a preloaded spring force that acts as a shock absorber, opposing vibrational forces while still allowing the pipe to expand thermally. For high-energy events like seismic activity or steam hammer, hydraulic or mechanical snubbers act like a car’s seatbelt, allowing slow movement but locking instantly during a sudden surge. By integrating these with precision-engineered pipe guides, PT&P ensures your piping stays on its designated path and absorbs the energy that would otherwise destroy your welds.

50 Years in the Trenches: Delivering Field-Tested Stability to Global Power Plants

When you partner with Piping Technology & Products, you aren’t just buying hardware; you are gaining 50 years of field-tested engineering expertise. We are the only manufacturer that provides a vertically integrated solution—from initial stress analysis and custom support design to 24/7 manufacturing capabilities required for emergency outages. Our supports are built to exceed ASME B31.1 and B31.3 standards, ensuring that your power plant remains safe, compliant, and operational.

FAQ: Mastering Vibration Control in High-Energy Piping

How do I distinguish between thermal movement and harmful vibration?

A: Thermal movement is slow and predictable, occurring as the plant heats up or cools down. Vibration is a rapid, repetitive oscillation. If you see “shimmering” or hear a constant humming or rattling at a support point, you likely have an FIV issue that requires a sway brace or snubber.

Can I just weld the pipe to a beam to stop the shaking?

A: No. Rigidly anchoring a pipe to prevent vibration often creates “thermal bind.” When the pipe expands, a rigid weld can crack or cause the pipe to bow, damaging connected equipment such as pumps or turbines.

What is the difference between a sway brace and a sway strut?

A: A sway strut is a rigid member that prevents movement in a specific direction entirely. A sway brace contains a spring that provides a cushioned movement, absorbing vibration while still allowing slow thermal expansion.

Vibration Could Be Putting Your Uptime at Risk

A rattling pipe is a system screaming for help. Whether you are dealing with a legacy plant facing new vibration issues or designing a high-efficiency facility from the ground up, our team is ready to help you engineer a solution that balances flexibility with absolute control. We’ve seen every vibration challenge you can think of; let us help you solve yours. PT&P is ready to assist.

Contact the PT&P Engineering Team to schedule a consultation and secure your facility’s future.

Retrofitting Legacy Data Centers: Integrating New Cooling into Old Spaces

January 30, 2026

Piping Technology and Products adds value in retrofitting legacy data centers for new liquid cooling.

As the demand for high-density AI and cloud computing surges, legacy data centers—often called “brownfield” sites—are facing a critical crossroads. These facilities weren’t initially designed to handle the high heat loads generated by modern liquid-cooled systems or high-CFM (cubic feet per minute) air-conditioning systems.

Retrofitting these spaces isn’t just an engineering challenge; it’s a spatial puzzle. Integrating heavy-duty cooling piping into a facility with low overhead clearance and existing infrastructure requires more than standard parts—it requires custom-engineered solutions.

The Challenge: Modern Cooling in Tight Footprints

In a brownfield project, you aren’t working with a blank canvas. You are competing for space with existing electrical conduits, fire suppression systems, and structural columns. The introduction of large-bore chilled-water or dielectric-fluid piping introduces two major hurdles: weight and thermal expansion.

1. Custom-Engineered Pipe Supports

Standard off-the-shelf hangers often fail to fit in the narrow corridors of a legacy data center. Custom-engineered supports are designed to:

Maximize Vertical Space: Low-profile designs that allow piping to run flush against the ceiling or under raised floors.
Seismic and Vibration Isolation: Essential for protecting sensitive server racks from mechanical vibrations caused by new high-capacity pumps.
Variable Spring Hangers: Used when vertical movement is expected, ensuring that the load on the piping system remains balanced without stressing the legacy building’s structure.

2. Compact Expansion Joints

Thermal expansion is the silent killer of rigid piping systems. As cooling demands fluctuate, pipes expand and contract. In a cramped legacy space, you don’t have the room for traditional large-scale expansion loops.

Metallic Bellows: These provide a compact way to absorb axial, lateral, and angular movement within a very short face-to-face distance.
Pressure Balanced Expansion Joints: These allow for expansion absorption at a turn in the piping without exerting excessive pressure thrust on the building’s existing (and perhaps aged) structural anchors.
Custom-designed U-Loops: This hybrid design offers flexibility for thermal and seismic movement and integrates well in retrofits with critical space constraints.

How to Future-Proof Your Facility: Cooling Retrofit FAQs

How do you integrate liquid cooling piping into a brownfield data center?

Integrating liquid cooling into a brownfield data center requires a combination of high-density pipe routing, custom-engineered low-profile supports, and compact expansion joints. Because legacy facilities often lack the structural capacity to support heavy new loads, engineers must use finite element analysis (FEA) to design supports that distribute weight effectively while avoiding existing utilities.

What are the benefits of using compact expansion joints in data center retrofits?

Expansion joints can absorb thermal movement in areas where an expansion loop will not fit.. This saves critical floor and overhead space, reduces the number of required fittings, minimizes pressure drop, reduces the potential for vibration, and lowers the energy required to move material through the pipe, thereby increasing cooling efficiency.

How do you prevent structural overload when adding heavy piping to legacy ceilings?

To avoid compromising the structural integrity of an older facility, use variable spring hangers and lightweight custom brackets designed for load distribution. By conducting a structural analysis and pipe stress analysis. We can use engineered pipe supports, such as variable- and constant-effort spring hangers, to compensate for thermal expansion and absorb pipe movement. You can ensure that the added weight of chilled water lines is distributed across multiple support points, preventing localized stress on aging concrete or steel beams.

What is the best way to isolate vibration from new cooling pumps in a cramped space?

The most effective way to manage vibration in tight footprints is to install rubber expansion joints immediately adjacent to the pumps. These components absorb high-frequency mechanical noise and vibration before they can travel through the piping network to sensitive server racks, while requiring much less space than traditional inertia bases or long piping runs.

Piping Technology and Products helps data center operators deliver modern cooling in tight footprints.

Cooling Piping Modernization

Engineering High-Density Cooling Solutions for Brownfield Facilities. Modernizing a legacy data center is an exercise in precision. By utilizing custom-engineered pipe supports and space-saving expansion joints, operators can transition to high-density cooling without the massive capital expenditure of a new build. Whether you are dealing with restricted overhead heights or the structural limitations of an aging building, the proper hardware makes the difference between a failed installation and a future-proofed facility.

Technical Specifications: Pipe Supports for Infrastructure Retrofits

To help you identify the most effective hardware for navigating restricted footprints and structural constraints, the following chart compares specialized pipe supports used in high-density modernization projects.

Support Type	Best Use Case	Modernization Advantage	Load Capacity
Variable and Constant Effort Spring Hangers	Systems with vertical thermal movement.	Prevents stress on aging structural ceilings by “floating” the load.	High (Customizable)
Low-Profile Pipe Shoes	Tight clearances under raised floors or near ceilings.	Minimizes the pipe run’s “vertical footprint” to save headspace.	Medium to High
Slide Bearings (PTFE)	Long horizontal runs require lateral movement.	Reduces friction and lateral force on existing building anchors.	Very High
Seismic Bracing	Facilities in high-risk zones or upper floor levels.	Keeps new, heavy cooling lines stable during tremors without bulky frames.	High
Vibration Isolation Hangers	Near high-capacity pumps or CRAC units.	Prevents mechanical “hum” from interfering with sensitive server disk drives.	Low to Medium

Technical Specifications: Expansion Joints for Modernization

To help you select the right hardware for a tight legacy footprint, use the chart below to compare the performance of various expansion solutions.

Feature	Metallic Bellows (Axial)	Pressure Balanced Elbow	Rubber Expansion Joint
Primary Movement	Axial (Compression/Ext.)	Multi-plane (Low Thrust)	Vibration & Noise
Space Efficiency	Excellent (Compact)	Moderate (Large footprint)	Good (Short face-to-face)
Pressure Rating	High (Up to 1000+ PSI)	High (Varies by design)	Low to Moderate
Temp. Range	-320°F to 1500°F+	-320°F to 800°F+	-40°F to 250°F
Best Use Case	Direct runs in tight corridors	Near pumps/sensitive anchors	Chilled water return lines
Modernization Edge	Maximize rack space	Protects aging structures	Isolates mechanical hum

Pro Tip: In a legacy facility, the elbow pressure-balanced expansion joint is a game-changer because it absorbs movement without transferring the pressure thrust to the existing building anchors, which may not have been designed for modern high-pressure cooling loops.

Bridging the Gap Between Legacy Structures and Future Cooling with PT&P

At Piping Technology & Products (PT&P), we specialize in the “impossible” fit. We understand that in a legacy data center, every inch saved is an inch available for revenue-generating server racks.

We offer a vertically integrated approach to brownfield modernizations:

On-Site 3D Laser Scanning: We can map your existing facility to design supports that fit the first time.
Custom Fabrication: From cryogenic supports for advanced cooling to heavy-duty spring hangers, we manufacture everything in-house to meet your specific spatial constraints.
Emergency Turnaround: We understand that downtime is not an option for data centers; our rapid-response manufacturing keeps your modernization project on schedule.

Contact Piping Technology & Products to discuss custom-engineered support solutions for your next data center retrofit.

Advanced Pipe Support Design in Midstream Operations

January 22, 2026

Piping Technology and Products (PT&P) offers constant supports, slide plates, and specialized cryogenic solutions to eliminate friction and ensure pipeline integrity.

In midstream operations, spanning thousands of miles of pipelines, pump stations, and terminals, the smallest component can become the single point of failure. Pipeline integrity engineers and reliability specialists know that thermal expansion and vibration are constant threats. Standard off-the-shelf hangers often fall short in these environments, leading to excessive stress on welds and flanges. Advanced pipe support design is about dynamic load management that adapts to the shifting pressures and temperatures inherent in oil and gas transport.

The Hidden Cost of Friction: PT&P Slide Plates & PTFE Guides

Standard pipe supports can inadvertently become “anchor points” that invite disaster. When a pipeline undergoes thermal cycling, it must move; if a support restricts that movement through high friction, the stress is redirected into the pipe wall. This leads to creep, excessive bending, and accelerated corrosion at the contact points.

The Solution: PT&P uses 2-element slide plate assemblies (incorporating PTFE, Graphite, or 25% Glass-Filled Teflon) to reduce the coefficient of friction to as low as 0.05-0.1. By transitioning from metal-on-metal contact to these specialized slides, operators virtually eliminate the lateral forces that cause localized wall thinning and structural fatigue.

Real World Example: PTFE Slide Plates Designed for Major Gas Pipeline Project in Africa

Beyond the Standard Hanger: PT&P Constant and Variable Spring Supports

For midstream assets dealing with cryogenic temperatures at LNG terminals or high-heat pump stations, standard is no longer an option. As a pipe moves vertically due to thermal expansion, a rigid support would either lose contact with the pipe or exert excessive force on it.

The Solution: PT&P constant supports are engineered with a specialized cam-and-spring mechanism that maintains a uniform supporting force throughout the full range of vertical travel (up to 20 inches). In areas with less severe movement, our variable-spring supports use a pre-compressed coil to allow movement while maintaining a load within a specific percentage of the operating requirement, ensuring the pipeline remains balanced despite massive thermal shifts.

Real World Example: U-Type Constant Spring Supports Designed for an LNG Plant in Canada

The Predictive Power of Analysis: PT&P Finite Element Analysis (FEA)

Precision support selection is impossible without pipe stress analysis. By using finite element analysis (FEA) and dynamic thermal studies, PT&P identifies high-stress “hot spots” before a single support is installed. This foundational service allows us to simulate how a pipeline segment will react to environmental loads, slug flow, and thermal surges.

The Solution: Our engineering team conducts CAESAR II modeling to identify where rigid anchors should be replaced with PT&P-engineered guides or snubbers. Our teams believe that data-driven design is the best safeguard against unplanned shutdowns.

Real World Example: Finite Element Analysis Used in Design Process for 4,000 supports for LNG Facility in Texas

Critical Asset Protection: The Value of Advanced Pipe Support Design in Midstream Operations

Engineering the Movement of Energy. At PT&P, we provide more than just hardware; we offer a total reliability ecosystem. Our value lies in our ability to combine in-house pipe stress analysis with the manufacturing of custom-engineered supports. This closed-loop approach ensures that the supports arriving at your site are exactly what your system’s physics require. With a 50-year history of solving the industry’s toughest vibration and thermal expansion challenges, we are the partner of choice for operators who view integrity as a non-negotiable asset.

Learn how advanced pipe support design and pipe stress analysis prevent midstream failures. Explore PT&P’s constant support, slide plates, and specialized cryogenic solutions designed to eliminate friction and ensure pipeline integrity and performance.

Is your pipeline’s support system working against your reliability goals? Even a minor leak can reveal a stress concentration. Contact our engineering team today for a comprehensive pipe stress analysis or a site audit of your existing supports.

The Shift to Liquid Cooling: Powering High-Density Data Centers for the AI Era

January 16, 2026

The Shift to Liquid Cooling: Powering High-Density Data Centers for the AI Era

As artificial intelligence (AI) and machine learning (ML) move from niche research projects to the backbone of global enterprise, the data center is facing a thermal crisis. Traditional air cooling, once the industry standard, is reaching its physical limits. Standard racks that previously pulled 10kW to 15kW are being replaced by high-density GPU clusters demanding 50kW, 100kW, or more. To manage this heat flux, the industry is making a decisive shift toward liquid cooling—a medium roughly 3,000 times more effective at heat transfer than air.

Engineering Reliable Piping Systems in Data Center Cooling Systems

The transition to liquid cooling is not a one-size-fits-all migration. It involves sophisticated piping networks that must deliver coolant with surgical precision. Whether a data center facility is being retrofitted or built from the ground up, understanding the three primary cooling methods—and the mechanical infrastructure required to support them—is important for operational reliability.

1. Direct-to-Chip (Cold Plate) Cooling

Direct-to-chip cooling involves circulating coolant through a cold plate sitting directly on the CPU or GPU. This method captures up to 80% of server heat, enabling extreme rack densities while using existing room-level air cooling for the remaining components.

The Piping Requirement: High vibration resistance and leakproof integrity.
Piping Technology Solution: Custom Engineered Expansion Joints.
The Value: In a direct-to-chip setup, the thermal expansion of the secondary loop piping can put immense stress on delicate manifold connections. US Bellows (a PT&P company) provides precision-engineered expansion joints that absorb thermal expansion and mechanical vibration, preventing stress from being transmitted to server racks or sensitive fluid connectors.

2. Immersion Cooling (Single and Two-Phase)

In immersion cooling, servers are completely submerged in a thermally conductive, dielectric fluid. This eliminates the need for fans and allows for the highest power densities available today, as the fluid makes contact with every heat-generating component.

The Piping Requirement: Compatibility with dielectric fluids and heavy-load structural support.
Piping Technology Solution: Constant and Variable Spring Hangers.
The Value: Immersion tanks are incredibly heavy when filled with dielectric fluid. The external piping delivering coolant to these tanks must be perfectly supported to prevent nozzle loading. PT&P’s constant- and variable-spring hangers ensure that, as the system reaches operating temperature, the weight of the piping remains balanced, protecting the integrity of the immersion tanks.

3. Rear-Door Heat Exchangers (RDHx)

An RDHx is a specialized radiator attached to the back of a server rack. Liquid circulates through the door, cooling the exhaust air before it ever enters the data center floor, often allowing for “chilled water-free” operation in certain climates.

The Piping Requirement: Precision routing and flexible support in tight spaces.
Piping Technology Solution: Pre-Insulated Pipe Supports (Hot/Cold Shoes).
The Value: To maintain efficiency and prevent condensation in the white space (main operational area where IT gear sits), coolant lines must be adequately insulated. PT&P’s pre-insulated cold shoes provide a thermal break between the piping and the support structure. This prevents energy loss and eliminates the risk of sweating pipes, which can be catastrophic near high-voltage server equipment.

Why Liquid Cooling is the Ultimate High-Density Solution

The shift to liquid cooling isn’t just about managing heat; it’s about Total Cost of Ownership (TCO) and sustainability within the modern data center.

Energy Efficiency: Liquid cooling reduces the Power Usage Effectiveness (PUE) by significantly lowering the energy required for fans and CRAC units.
Performance: By keeping GPUs at a lower, stable temperature, data centers can prevent thermal throttling, ensuring AI workloads run at peak performance.
Space Optimization: Higher density means more computing power in a smaller physical footprint, deferring the need for costly facility expansions.

PT&P Is Your Partner in Data Center Infrastructure

At Piping Technology and Products, we recognize that a data center’s liquid cooling loop is only as reliable as its weakest support or joint. We position ourselves as the ideal partner for data center operators by offering a unified engineering approach. By manufacturing both the supports that hold the system and the expansion joints that give it flexibility, we provide a holistic mechanical solution that withstands the 24/7/365 demands of critical infrastructure. Our expertise ensures a seamless, safe transition to high-density AI cooling.

Scale Your Data Center Capacity and Optimize for High-Performance Computing

If you are designing a new build or retrofitting an existing center for high-density racks, our engineers are ready to help you optimize your piping support and flexibility: schedule time with one of our engineers to discuss your long-term liquid-cooling strategy.

Hold-Down Clamps for a Waste Disposal Facility

January 13, 2026

These custom-fabricated hold-down pipe clamps assemblies are designed to effectively control vibration and protect piping systems in demanding industrial environments. Each assembly incorporates wedges made from 25% glass-filled PTFE, which absorb vibration while providing a protective buffer between the steel pipe and the pipe support.

Flow-induced and acoustic-induced vibration are common challenges in Power, Solar, Biofuels, and Chemical plants, as well as in pipelines located near rotating equipment such as reciprocating pumps and compressors. Left unchecked, vibration can lead to cracking, premature failure, and costly unplanned shutdowns. Our engineered solutions help mitigate these risks in both onshore and offshore applications.

The assemblies shown are custom-designed for pipe sizes up to 20″ in diameter and operating temperatures up to 200°F. Adjustable to accommodate a range of elevations from Top of Steel (T.O.S.) to Bottom of Pipe (B.O.P.), each unit measures 21″ wide × 26″ long × 23″ high and has been proven to reduce vibration to acceptable levels.

Fabricated from A36 carbon steel plate with A307 grade all-threaded rods, all components are hot-dip galvanized for corrosion resistance. Every assembly undergoes a thorough quality control inspection prior to shipment—ensuring reliable performance you can trust.