Authorized Brands

AVS is the Emerson authorized assembler of Anderson Greenwood, Crosby, and Kunkle brands of safety relief valves. Recognized as the industry leader in innovation, performance, and quality, Emerson has the most diverse brand portfolio of safety relief valves available.

Valve Assembly

When a valve is beyond economical repair, AVS can supply immediate shipment of a new Anderson Greenwood, Crosby, or Kunkle replacement from our inventory. AVS carries the ASME V and UV certifications and is authorized by the National Board of Boiler Inspectors (NBBI) to assemble and test safety relief valves on our steam, air, and liquid test stands through our NBBI certified QC program. We currently inventory safety relief valves in the following configurations:

Threaded Connections
  • ½” through 2”
  • MNPT and FNPT inlets
  • Carbon, Stainless, and Brass construction
Flanged Connections
  • 1” through 8”
  • 150# and 300# inlet flange ratings
  • Carbon Steel and Stainless Steel construction