Water closets: Flushing volumes less than 6 litres (NT VVS 120) Posted onNovember 18, 1999September 18, 2020Author Report #: NT VVS 120 Approved: November 1999 Download pdf Size: 196.69 KB Abstract This NORDTEST method specifies test methods for WC pans with integral trap, for domestic use, made from vitreouschina or stainless steel, which have a nominal flush volume or less than 6 litres. Categories and tags
