Overview of ATS Joints
Evolution of ATS Joints
Non-FM FRP Vinyl Ester Bell & Spigot Joint – NOT ATS
(Sprinklers Required per Codes)

ATS Mark V™ Duct Bell & Spigot Joint – 1980’s

ATS Standard Mark VIII™ Joint – ca. 1989
w/Smooth Slip Collar

ATS 4910CR Duct System with Chembond™ Joint
w/ Internal Beaded Slip Collar™
1994–2002

ATS H-Collar
2003 – Present

ATS ISO Flange (patented)
2005 – Present
