Our Safety Relief Valve
Products & Service

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.

  • Test on-site without
    shutting down facility
  • On-site & off-site
    safety valve service
  • ARI-Armaturen® and
    Kunkle® Valves
Request Your Free Quote & Consultation Or call 413-532-7788 to speak with us now.

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

    • ASME that we have been thoroughly inspected & have successfully met al the quality & safety standards established by the Boiler & Pressure Vessel Code.

  • VR

    • Certifies ISB is qualified and approved to repair Pressure Relief Valves (PRV) of all brands for both Section I and Section VIII applications.

  • NB

    • Certifies ISB is qualified and approved to calibrate, test, and stamp Pressure Relief Valves (PRV) for use in Section I and Section VIII applications.

  • UV

    • 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.

  • V

    • 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.

Field Services

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.

In-Shop Boiler Safety Relief Pressure Valves Services

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

There’s no downtime with our safety
valve product & services.

Get Your Free Estimate & Consultation Or call 413-532-7788 to speak with us now.