90.93 Standard confirmed Jun 23, 2026
ISO
ISO/TC 8/SC 3 Piping and machinery
International Standard
47.020.30 Piping systems
Applies to deep sea ships and inland navigation ships. Specifies the major dimensions of strum boxes installed at the end of bilge suction pipes to prevent pipe obstruction by solid matter. Strum boxes complying with this International Standard are not acceptable for bilge suction pipes in machinery spaces and shaft tunnels.
PUBLISHED
ISO 6454:1984
90.93
Standard confirmed
Jun 23, 2026