Victaulic Coupling : A clamp device used to make a flexible joint in the plumbing of a pumper. Victaulics are used to provide flexibility where a welded joint would not survive from movement and vibration
Pacific Northwest Chapter of The Society for the Preservation and Appreciation of Antique Motorized Fire Apparatus in America SPAAMFAA, Fire Apparatus Terminology, La Center, Washington, USA 2002. (Fr Srvc - Amer) {455}