Victaulic, a manufacturer of mechanical pipe-joining systems, has received Type Approvals from DNV (Det Norske Veritas) for its Vic-300 MasterSeal butterfly valves - Series 761 and Vic-Check check valves - Series 716 and 716H. The approval certificates are valid until the end of June 2017 and cover Class III piping systems for fresh water cooling, condensate return, non-essential systems, sanitary drains and nonessential service air. Vic-300 MasterSeal butterfly valves have DNV…