The C-1 is designed for a broad range of piping applications. It is a flexible style which provides allowance for controlled pipe movement caused by thermal changes, settling or seismic action, as well as dampening noise and vibration. For the latest UL/ULC listed, LPCB, VdS and FM Approved pressure ratings versus pipe schedule, see www.asc-es.com or contact your local ASC Engineered Solutions™ Representative.