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™


ATS H-Collar

2003 – Present

ATS ISO Flange (patented)

2005 – Present