ISO 9093 discusses standards for seacocks and through-hull fittings of small craft. ISO 9093 specifies requirements for through-hull fittings, seacocks, hose connections, their fittings, and their installation in small craft with a length of the hull, LH, of up to 24 m.
Note: ISO 9093 does not apply to engine and heater exhaust fittings, and sail drive-through-hull fittings.
ISO 9093 on seacocks and through-hull fittings of small craft is applicable for these entities:
The seacock is designed to permit operation under any condition likely to be encountered under normal service conditions and a visual check of the open and closed position. ISO 9093 provides you with design requirements for seacocks, which ensures that no part can come loose under normal service conditions. Also provides design guidelines for through-hull fittings, hose fitting and hose connections. As a manufacturer, you would use ISO 9093 to ensure that the fittings that you are manufacturing for small craft, adheres to the specification.
Material used for through-hull fittings, and seacocks should be compatible and corrosion resistant. ISO 9093 provides you with materials requirements used for through-hull fittings, seacocks, hose connections and fittings located below the maximum load waterline.
ISO 9093 describes installation requirements of through-hull fittings and seacocks. Following installation guidelines help to prevent loosening under normal operating conditions.
BS EN ISO 9093:2021 supersedes BS EN ISO 9093‑1:2018 and BS EN ISO 9093‑2:2018.
BS EN ISO 9093:2021 includes some technical changes concerning BS EN ISO 9093-2:2018. These include:
ISO 9093:2020
EN ISO 9093:2021