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ACQUIP

ACQUIP Rotating Equipment Solutions Powered.Empowering™

09/08/2026

GE G2 HP/IP Express Internal Steam Turbine Internal Alignment - Power Plant

Objective: The purpose of this consultation was to conduct an Express internal alignment (Theoretical Tops on) on the HP/IP Cylinder of a GE G2 Steam Turbine.

Equipment Measured: Turbine Manufacturer: GE | RPM: 3600 RPM

Background: The unit was brought down for an outage. The HP/IP cylinder was cleaned; the diaphragms, packing heads and bearings were placed back in the turbine. ACQUIP was contracted to perform an Express internal alignment on the HP/IP section of the steam turbine.

Procedure: Ideal measurement points inside of the cylinders and standards were identified, cleaned, and reference target nests were temporarily installed for reference points. Once all measurement locations were identified, a file was created in the software. The FARO Laser Tracker was setup on a magnetic bracket and positioned in the number 2 standard in-between the HP/IP and LPA cylinders. All measurement points and reference points in range were measured, and if necessary, the FARO device was moved to another setup location. After each move the device was referenced back to no less than 3 previously measured reference points to determine its new location and allow measurements to continue.

Each location was measured along its bore as a cylinder and along one of its faces as a plane. The intersection of the plane and the cylinder constructs a circle where the center of the circle represents the center of the component.

As Found: Table 1-1 and another table not present, show a graphical overview of the as found measurement data of the Tops Off Positions for the HP/IP diaphragms and packing heads. Left and right was determined by standing behind the front standard and looking at the generator. An (X) value that is positive is sitting to the left of the centerline, negative is to the right. A (Y) value that is positive is above the centerline, negative is below. Positive (Z) is the axial distance of the unit going from the T1 Bearing to the T2 Bearing (Downstream).

Conclusion: The as left alignment positions and ERAG Equivalent results were set to the rotor positions readings provided to ACQUIP from the client. The T1 and T2 bearings were not moved. When the HP/IP rotor was installed in the case, the client informed ACQUIP that the rotor positions recorded were different than the rotor position readings originally provided to ACQUIP. ACQUIP provided with the Ideal Tops off Target ERAG results for the rotor.

Report by: ACQUIP SERVICES
[email protected]
+1 305-538-7101

09/04/2026

Progress doesn’t happen by itself. People make it happen. 🇺🇸

This Labor Day, we recognize the technicians, engineers, maintenance teams, field crews, and skilled professionals who keep industry moving forward.

Happy Labor Day from ACQUIP team. 🤝

09/03/2026

There’s always that one job.

The part is too big.
The geometry is too awkward.
The CMM is booked.
The deadline is tomorrow.

And suddenly you’re wondering how you’re going to measure it.

That’s where a FARO rental arm makes sense.

✔ Portable. ✔ Accurate. ✔ Ready to go where the work is.

❌ No capital purchase. ❌ No long-term commitment. ❌ No unnecessary equipment sitting around afterwards.

(And one less excuse for putting that inspection job off).

➡ Rent yours: https://zurl.co/tRwJ6

09/01/2026

The GE Frame 7 Gas Turbine is a 60-HZ unit, its 50-HZ counterpart is the GE Frame 9 Gas Turbine.

This Gas Turbine is also known as the MS700/MS7001.

➡ ACQUIP has extensive experience working on almost all the variations of this unit: 7B, 7C, 7E, 7EA, 7C/E, 7F, 7FA, 7FB.

➡ Drawing on our extensive experience and technical expertise, we have successfully performed internal alignment, shaft alignment, and dynamic movement studies on GE Frame 7 gas turbines on multiple occasions.

INTERNAL ALIGNMENT:

ACQUIP understands key elements of the GE Frame 7 Gas Turbine that have to be addressed in order to achieve a successful final alignment.

An internal alignment is performed in the course a major outage. Additional reasons to perform an internal alignment are vibration issues, evidence of rubbing, unit up-rate, catastrophic failure or component replacement. These subsequent factors will usually lead to a major outage.

There are varying levels of internal alignment on a Frame 7

• Document Alignment Position
• Alignment of Bearing 2 and 3
• Casing alignment
• Exhaust Cas Slippage Correction

🔗 Read the full info: https://zurl.co/7EE14

08/27/2026

The challenge isn’t always getting a measurement ...It’s measuring what actually matters.

Laser alignment systems are excellent for shafts and couplings. ➡ But steam turbine diaphragm alignment presents a different geometry, and a different problem.

You’re not simply chasing a straight line.
(You’re establishing true concentricity inside the turbine casing.)

And during an outage, conditions rarely make that easy:

• Limited line of sight
• Tight internal clearances
• Compressed outage schedules
• Casing conditions that can complicate the alignment process

That’s where the ERAG (Electronic Radial Alignment Gauge), also known as CAT, offers a different approach.
..Rather than relying on a projected laser beam, ERAG is designed to provide direct radial measurements for turbine alignment applications, helping technicians evaluate diaphragm position relative to the established turbine centerline.

No laser beam to maintain.
No line-of-sight dependency.
No unnecessary complexity.

Just actionable measurement data for the alignment decision that needs to be made.

(?) Why it matters during an outage

When every hour counts, the best technology isn’t necessarily the most sophisticated one.

It’s the one that fits the application.

ERAG provides a practical solution for steam turbine diaphragm alignment where access, geometry, and outage conditions can make conventional laser methods less practical.

💡 The takeaway?

Modern turbine alignment isn’t about putting a laser on every problem.

It’s about understanding the geometry first, and choosing the measurement method that makes sense for it.

Sometimes, the right alignment doesn’t need a laser at all.

➡ See how ERAG/CAT can support your next steam turbine alignment:
https://zurl.co/z2l1V

08/26/2026

Fall outage 🍂 season doesn’t leave much room for “we’ll figure it out on site.” ..When equipment is open and schedules are tight,⏳ waiting for answers gets expensive.

ACQUIP provides specialized turbine alignment, dimensional verification, dynamic movement studies, laser scanning, and field metrology support to help crews find the issue, 🏁 make the right adjustment, and keep the outage moving.

✔ Less uncertainty. ✔ Faster decisions. ✔ A clearer path back online.

_________

Learn more:

🔗 Outage Services: https://zurl.co/jssB5
🔗 ACQUIP vs Traditional Alignment Vendors: Why we're different: https://zurl.co/wp1pf

08/25/2026

The laser tracker is only part of the story...

ACQUIP brings ↪ the “what now?”
..What do the measurements actually tell us?..What needs to move?..What happens when the machine goes from cold to operating conditions?..(And how do we turn all that data into a decision the team can actually use?)

That’s the difference.

Metrology is the tool. 🏁 Solving the problem is the job.

From turbine alignment and dimensional inspections to dynamic movement studies and outage support, ACQUIP works where precision meets real-world machinery.

(Not measurements for the sake of measurements.)

🏁 Answers that help keep equipment moving.

➡ If you need a consultation on any of ACQUIP’s solutions, feel free to reach out:https://zurl.co/mFb50

08/20/2026

The real cost of an inaccurate measurement isn’t the measurement:

It’s the rework, lost time, and decisions built on it...

✅ Get the data right. Keep the job moving.

• Learn more: https://zurl.co/6vA4v

08/19/2026

A D11 steam turbine is currently the most common steam turbine that

ACQUIP performs internal alignments on during a major outage.

GE D11 units have specific characteristics that make them different than other steam turbines. 🗒️ 🔎 We pay attention to these details during an outage that will determine the success of the project. ACQUIP has experience and has developed special techniques and procedures to contend with these common problems:

• Front Standard elevation
• N2 Packing box fit
• HP/IP Shell distortion
• Diaphragm Dishing
• Horizontal Joint deflection
• HP/IP Rotor Sag

↪ Internal Alignment – Diaphragm Alignment

ACQUIP performs diaphragm alignment on a GE D11 during a major outage. Successful steam turbine internal alignment consists of 3 elements:

1. As found Position
2. Component Target calculation
3. Alignment Moves

On some steam turbines ACQUIP performs an Express Alignment, this is a theoretical Tops on alignment. An express alignment can only be performed if the four corners of the horizontal joint of the steam turbine cylinder occupies the same plane

When each component is measured we are gathering thousands of data
points. This means we are not only recording 2-dimensional centerline
data. In the course of taking the alignment readings we also get:

• Axial Position
• Out of roundness/distortion of diaphragms and packing
• Angle or askew of bearings and packing heads

➡ Measurements are analyzed and the target positions are applied.

Target component Calculation considers:

✔ Tops on -Tops off Shift
✔ Bore Presets
✔ Rotor Sag
✔ Rotor Position Readings
✔ Bearing Moves

🔗 Learn more: https://zurl.co/UEQhM

Address

407 Lincoln Road Suite 706
Miami Beach, FL
33139

Opening Hours

Monday	9am - 6pm
Tuesday	9am - 6pm
Wednesday	9am - 6pm
Thursday	9am - 6pm
Friday	9am - 6pm

Website

http://www.acquip.com/

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