PRV Testing & Repair

Comprehensive PRV Services 

At Quadco LLC, we offer full-service solutions for pressure relief valve testing, repair, and certification. We service all makes, models, and sizes of safety valves and relief valves—regardless of the manufacturer—within our repair scope. 

Comprehensive PRV Services

Our trained and Operator Qualification (OQ)-certified technicians use state-of-the-art equipment, including: 

• Specialty valve repair tools 
• Blasting and polishing stations 
• Lathes and lapping equipment 
• Calibrated and qualified test stands 

These tools and procedures ensure your valves meet international performance standards and original manufacturer specifications. 

In-Shop and On-Site Testing Options

To meet your operational demands, Quadco offers both in-house and field testing services: 

• In-Shop Services: Fully equipped service facilities throughout the Rocky Mountain Region. 
• Field Testing: Certified test trailers provide mobile testing and repair services at your location. 
• In-Line Testing: Where applicable, we can test your PRVs in-line, without shutting down your process. 

Our team is available 24/7, 365 days a year, ensuring your critical systems remain online and compliant. 

Certifications and Compliance

Quadco is VR Certified by the National Board of Boiler and Pressure Vessel Inspectors (NBBI) to repair and test ASME Section I and Section VIII Division I pressure relief valves. This certification allows us to test and repair valves used in: 

• Liquid service 
• Gas and air service 
• Steam service 

The "VR" stamp signifies our ability to service both high- and low-pressure relief valves in strict accordance with ASME and National Board Inspection Codes. 

Digital Traceability & Quality Assurance

We maintain a robust internal Valve Reporting System that provides full repair traceability and quality documentation: 

• Custom-built maintenance database with historical records of all valve service activity 
• Individual repair travelers documenting each valve’s received condition and repair process 
• ASME-compliant quality control system applied to every PRV repair and test 

Bundle & Save on PRV + Valve Repairs
Combining services reduces downtime and keeps your operations flowing smoothly.