REAL-TITE® Pinned Expansion Plugs

A Pinned Expansion plug in a horizontal pipe
These plugs prevent large objects from passing through horizontal waste piping; preventing mainline stoppages.


Size Relaxed seals up to Fully expanded seals up to Spec Sheet
2.5 2.72” (69mm) 3.19” (81mm) View PDF
3″ 3.04” (77mm) 3.48” (88mm) View PDF
3.5″ 3.82” (97mm) 4.15” (105mm) View PDF
4″ 4.20” (107mm) 4.61” (117mm) View PDF


REAL-TITE® PLUGS are designed with a stop on the bolt, to prevent the lower wedge from becoming dis-assembled from the unit and dropped down the line.

REAL-TITE® PLUGS have an extremely large gasket that seals behind, over and at the tip of the pipe or opening.

REAL-TITE® PLUGS are easy to remove and can be reused saving time and money.

REAL-TITE® PLUGS have a variety of uses including clean outs, test plugs, sealing iron or plastic damaged pipe with threaded or smooth openings.

Your Problem:

A county jail is experiencing problems with inmates flushing large items down the toilet causing disruptions and plugging up the main sewer line.

Our Solution:

The jail installed REAL-TITE® Pinned Security Plugs into all the horizontal sewer cleanouts to catch items before reaching the main sewer line avoiding costly repairs.