Steamfitting:
Founded by two steamfitter service technicians, the soul of Prairie Mechanical rests deep in its steamfitting roots. Signatory to the United Association's Steamfitters and Plumbers Local Union 464, Prairie Mechanical has access to the some of the most talented steamfitters in the construction industry. We have vast experience in market sectors ranging from K-12 Education to Mission Critical Data Centers.
The Union Advantage:
- Highly trained steamfitters
- Accredited 5 Year Apprenticeship Program
- Continuously trained on the newest materials, methods, equipment, and technology
- Manpower flexibility to quickly accommodate the largest projects and most aggressive schedules
- Availability to a multitude of welding certifications
Typical Mechanical Systems:
- Chilled Water / Hot Water Piping
- Steam / Steam Condensate Piping (e.g. High, Medium, & Low Pressure)
- Below Grade Utility Piping (e.g. HDPE, Pre-Insulated Black Steel, Ductile Iron)
- Medical Gas & Vacuum Piping
- Natural Gas Piping
- Refrigeration Piping
- Fuel Oil Piping
- Generator Exhaust Piping
- Compressed Air Piping
- Power Plant Piping
- Process Piping
Typical Joining Methods:
- Shielded Metal Arc Welding (SMAW)
- Gas Metal Arc Welding (GMAW)
- Gas Tungsten Arc Welding (GTAW)
- Fusion Welding (e.g. HDPE)
- Mechanical Joint (e.g. Victaulic)
- Threaded and Coupled
- Soldering / Brazing
- Ring Seal Crimped (e.g. Pro-Press)

