Are TruDesign Ball Valves approved / compliant to international standards?

YES for 3/4" and above TruDesign Ball Valves assembled with TruDesign Skin Fittings are compliant to

ISO 9093-2 and certified by International Marine Certification Institute (IMCI) and Bureau Veritas.
ABYC H27 ( American Boat and Yacht Council) - Seacocks, Thru-Hull Fittings, and Drain Plugs

See attached Technical Information Sheet.