May 31, 2012


The new 421 top bolt is a two-bolt coupling that is lightweight and easy to install. It features one bolt on each end to tighten and a removable, replaceable, bidirectional inner gasket. It is able to stab-fit on pipe ends. It is currently available in 4-, 6- and 8-in. sizes.

AWWA Booth #1306

Smith-Blair Inc


PO Box 5337

Texarkana, TX 75505

United States

Phone: 870-773-5127

Fax: 870-773-5212

[email protected]