24-7 Emergency Boiler Repair Services

Safety Valve Repairs

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. ISB has also been selected as an authorized safety valve repair (V stamp assembler) and new valve sales center for Kunkle Valve. 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.


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