We travel the northeast and beyond.

Safety Valve Repair


ISB has the VR certification from the National Board to repair and test safety valves. The VR certification is for both the shop and field. We also have welding authorization as an "R" stamp holder, with machining capabilities. We feature a modern testing lab for A.S.M.E. code section 1 and V111 Div.1. We are approved for Steam, Air/Gas and Liquid media.

We also perform on site testing using the latest A.V.K. electronic testing technology. We will test on site while the plant is on line, and provide a documented report for your records and insurance inspection agency.

SERVICES OFFERED:

  • Pressure Relief Valve Repair and testing
  • Code Section 1, "V" Stamped Power Boiler Safety Valves.
  • Code Section V111, "UV" Stamped Pressure Vessel Relief Valves.
  • Special Process of Machining, Welding, and conversions.
  • Provide turnkey service to remove, repair/test, and install.
  • On-site testing prior to shutdown to determine which valves require repair.
  • Develop and maintain pressure relief valve repair and testing program to meet customers needs.
  • A.S.M.E. certified weld repairs to pressure relief valves, boiler line mounting flanges, and all pressure retaining items.
  • In line machining and refacing of flange surfaces or weld end valves/preps.
  • Provide new O.E.M. replacement parts when required or for conversions to existing valves.
  • Complete service reports provided to satisfy customer and authorized inspector/insurance company requirements.

SAFETY VALVE REPAIR PROCEDURES:

Standard Safety Valve Repair

ELECTRONIC A.V.K. FIELD TESTING OF RELIEF VALVES
TEST VESSEL AT SHOP SAFETY RELIEF VALVE TESTED AND PAINTED