Safety Valve Testing

Safety valves are used in a variety of applications, including air/gas, vapor, steam and liquid service. Quadco has been approved by the National Board of Boiler and Pressure Vessel Inspectors to perform safety and relief valve testing, repair and certification.

Our valve experts will focus on getting your valves tested, repaired and calibrated to the required specifications in a timely manner.  We evaluate the current condition of every valve and will recommend the right solution to manage your maintenance program.

We provide new, remanufactured, recertified and repaired safety and safety relief valves to the following industries:

  • Municipalities, Military 
  • Hospitals, Colleges and Schools
  • Industrial, Energy and Power
  • Chemical, Oil and Gas
  • Food and Beverage
  • Construction and Mining
  • Marine and Aquatic 

National Board of Boiler and Pressure Vessel Inspectors certified shop with a steam boiler available for testing and certifying your valves to reduce your downtime.

  • New safety and safety relief valves available for same day shipment
  • High Pressure Steam Boiler Safety valves 
  • Discs, disc holders, soft goods kits, springs, conversion kits and bellows assemblies in stock
  • Air and Liquid Test Benches
  • 24 Hour Repair Services to support Maintenance Outage Requirements


Quadco uses portable Accutest and Hydraulic equipment to verify the set pressure of in-line safety and safety relief valves without having to shut down a system or unit.  By applying force to the valve spindle, coupled with system pressure, and a “true" effective area, specifications are acquired, processed, stored, and printed.