Home/Divisions/DG Services
Industrial division

DG Services

A strategic partner for valve-related solutions — specializing in valve testing and repair, in the shop and in the field, back to OEM specifications.

DG Services, a division of the Dupill Group, is a strategic partner for valve-related solutions, specializing in valve testing and repair. For over 40 years, we've provided product and service solutions across a variety of industries — assisting customers with valve specification, replacement, actuation, and repair.

NBIC "VR" & "TO" code stamps

With our VR certification, we repair, set, and test ASME Section I and Section VIII PRVs for air, liquid, and steam — in the shop or in the field. Our certification allows us to repair and assemble safety relief valves and pilot-operated safety valves. We provide expert industrial valve repair back to OEM specifications, so you can avoid repetitive maintenance.

Field valve repair
Expert repair, back to OEM specifications
NBIC VR iNational Board stamps: R (pressure repair), VR (relief-valve repair), TO (relief-valve testing).NBIC TOASME Section I & VIII iASME code sections — Section I covers boilers, Section VIII covers pressure vessels.Shop or Field
Field valve repair & testing

Full-service valve support

Inline Seat Repair iThe 'seat' is the sealing surface inside a valve that stops flow.Valve Packing iThe material compressed around a valve's stem to seal it against leaks — we replace it and set it to proper torque.MachiningWeldingAssemblyInline Testing iTesting valve performance while it stays installed in the line — no removal, less downtime.General Maintenance, Install & TestingSite Surveys & Walkdowns iAn on-site inspection where our technicians walk your facility, document valve condition and configuration, and plan the work before it starts.Outage SupportReplacement Valves & AccessoriesNarrowing Seats — Gates, Wedges & Checks iRe-machining a worn sealing surface to a narrower contact band — restoring tight shutoff on gate, wedge, and check valves.In-Body Machining iPrecision machining performed inside the valve body itself — restoring bores, guides, and seats to tolerance without replacing the valve.On-Site & Custom MachiningSRV & Pilot-Operated SV Repair iPressure/Safety Relief Valve — protects a system from dangerous over-pressure.Valve 101 / Maintenance Training
Coverage

Real crews, two regions

Industrial valve repair and testing dispatched from two service hubs across a wide multi-state footprint.

East

Leechburg, PA

(724) 845-7300

Service across Pennsylvania, New York, New Jersey, Ohio, Kentucky, Tennessee, North Carolina, and West Virginia.

West

Richland, WA

(509) 392-6001

Service across Washington, Oregon, Idaho, and Montana.

Need a valve crew?

Tell us your location and window — we dispatch from the nearest hub and repair back to OEM spec.