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