Victaulic Shouldered Joining Systems As an official African distributor, Truco supplies the full range of Victaulic mechanical pipe joining products for shouldered pipe. Victaulic Shouldered Systems benefits Installation-Ready™ Couplings will improve installation productivity – up to 10 times faster! Offer system design flexibility Allow for expansion, contraction & deflection of the piping system Ideal for abrasive applications Zero leak path for compressed air systems These shouldered joining systems are ideal for use in mining, cement and concrete industries.