Dupill Group

Dupill Group Dupill Group These same attributes have been instilled in his sons, Chad R.H. and Cornell R. Dupill. Dupill Group Companies continues to grow with much success.

DG Nuclear, formerly known as Dupill Group, was founded in 1985 by Raymond “Pete” Dupill after serving as project manager for Westinghouse in the 70s and 80s. Through his leadership, dedication and hard work, Dupill Group has been successful in the Power, Process Control, Defense, Oil & Gas and Industrial markets. We believe in our core values of God, family, and company stemming from its owner’s military background. We say what we mean and mean what we say. It’s as simple as that!

At Dupill Group, we provide more than valve repair, we deliver complete industrial solutions built to keep your operatio...
05/13/2026

At Dupill Group, we provide more than valve repair, we deliver complete industrial solutions built to keep your operations running safely, efficiently, and reliably.

From specialty welding and field machining to valve services, fabrication, engineering support, outage assistance, and training, our team is equipped to handle some of the industry’s toughest challenges.

With over 40 years of experience and locations across the U.S., Dupill Group is proud to support the Nuclear, DOE/DOD, Industrial, Oil & Gas, Power Generation, and Semiconductor industries.

Shop Project Spotlight Straightness testing and fit-up in progress on a large-scale fabricated assembly in the Dupill sh...
05/10/2026

Shop Project Spotlight

Straightness testing and fit-up in progress on a large-scale fabricated assembly in the Dupill shop. Precision, alignment, and quality control remain critical through every phase of fabrication and testing.

04/24/2026

Why Valve Maintenance Isn’t Optional.

In any facility, valves are easy to overlook… until something goes wrong.

But behind the scenes, they play a major role in safety, efficiency, and uptime. Regular maintenance isn’t just a best practice, it’s a necessity.

Here’s why:

* Prevents Unexpected Failures
A single valve failure can shut down operations, delay projects, and create costly downtime. Routine maintenance helps catch wear, corrosion, and damage before it becomes a problem.

*Protects Safety & Compliance
Valves control pressure, flow, and hazardous materials. If they fail, the risks can be serious. Proper inspection and maintenance help ensure systems stay within safe operating limits and meet regulatory standards.

*Reduces Long-Term Costs
Reactive repairs are always more expensive than planned maintenance. Servicing valves regularly extends their lifespan and avoids emergency replacements.

*Maintains System Efficiency
Even minor valve issues can impact flow rates, pressure control, and overall system performance. Well-maintained valves keep operations running smoothly and efficiently.

*Supports Reliability You Can Count On
When your valves are maintained properly, your entire system becomes more dependable. That means fewer surprises and more control over your operations.

At Dupill Group, we support facilities with valve maintenance, repair, and field services to keep critical systems running the way they should.

If your team has upcoming maintenance needs or is dealing with hard-to-source components, we’re here to help.

Reach out anytime. We’re ready when you are.

04/10/2026
02/23/2026

This 14” upper pressure valve seal is being welded, using our deep bore system, to restore performance and ensure reliability in high-pressure service. Precision work, controlled heat, and experienced hands make all the difference.

02/18/2026
02/12/2026

Our team is machining a seat pocket on-site, restoring critical valve sealing surfaces without the need for full valve replacement.

-Precision field machining
-Reduced downtime
-Cost-effective repair solutions
-Experienced technicians

When valve integrity matters, proper seat geometry and tolerances are everything. Dupill Group delivers controlled, accurate machining right where it’s needed.

01/28/2026

Valve Repair in Action

This video highlights a 14-inch valve upper pressure seal repair using deep bore orbital welding performed by the team at Dupill Group.

From precision welding to complex valve repairs, our team has the experience and capabilities to support industrial and utility applications where quality and reliability matter most.

Supporting critical infrastructure with precision welding and valve repair expertise.








01/28/2026

Valve Repair in Action

This video highlights a 14-inch valve upper pressure seal repair using deep bore orbital welding performed by the team at Dupill Group.

From precision welding to complex valve repairs, our team has the experience and capabilities to support industrial and utility applications where quality and reliability matter most.

Supporting critical infrastructure with precision welding and valve repair expertise.

Address

1057 State Route 356
Leechburg, PA
15656

Opening Hours

Monday 9am - 5pm
Tuesday 9am - 5pm
Wednesday 9am - 5pm
Thursday 9am - 5pm
Friday 9am - 5pm

Telephone

(724) 845-7300

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