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
2005 – Present