Emergency Service? Call Our 24/7 Line 800-462-3369
ISB is a National Board Certified VR repair facility. Electronic AVK testing
allows us to test on-site without having to shut down your facility. We can
overhaul and test safety valves on and offsite.
ISB is a proud stocking representative and authorized assembler of ARI-Armaturen® and Kunkle® Valves. With our vast inventory, we are able to offer prompt delivery of both ARI and Kunkle Valves in sizes ranging from ½ NPT to 8” flange.
Certification Stamps
ASME that we have been thoroughly inspected & have successfully met al the quality & safety standards established by the Boiler & Pressure Vessel Code.
Certifies ISB is qualified and approved to repair Pressure Relief Valves (PRV) of all brands for both Section I and Section VIII applications.
Certifies ISB is qualified and approved to calibrate, test, and stamp Pressure Relief Valves (PRV) for use in Section I and Section VIII applications.
Means ISB is approved & qualified in Assembling Pressure Relief Valves (PRV) for use in Section VIII applications, including all usage outside of boilers and pressure vessels.
Attests that ISB is qualified and authorized to assemble Pressure Relief Valves (PRV) for use in Section I applications, such as boilers and pressure vessels.
On-site system audits
Provide turnkey services to
remove, repair, recertify, and re-install boiler safety relief pressure valves
Live electronic AVK
testing without shutting
down operations
Periodic testing to check compliance
In-line boiler safety relief pressure valves repair
Maintenance & annual
service contracts
Troubleshooting
Safety valve exhaust system including piping, manifolds,
drip pan elbows, etc.
Full VR shop repair and
testing for all types and
sizes of safety relief valves
Ability to test various
valves for all mediums:
liquid, steam, or air