AWWA C221-24

This standard describes fabricated steel mechanical slip-type expansion joints having packing chambers for use on pipe with plain, flanged, grooved, or shouldered ends in nominal pipe sizes 3 in. (75 mm) and larger. The joints shall be manufactured from steel and are intended for use in systems conveying water. Mechanical expansion joints are not intended for use in buried conditions.

This standard can be referenced in documents for purchasing and receiving fabricated steel mechanical slip-type expansion joints and can be used as a guide for inspection and testing. This standard or sections of this standard apply when this document has been referenced and then only to fabricated steel mechanical slip-type expansion joints.