Section 11 Requirements for flexible hoses
Clasification Society 2024 - Version 9.40
Clasifications Register Rules and Regulations - Rules and Regulations for the Classification of Linkspans, July 2022 - Part 4 Engineering Systems - Chapter 4 Piping and Pressure Vessel Design Requirements - Section 11 Requirements for flexible hoses

Section 11 Requirements for flexible hoses

Parent topic: Chapter 4 Piping and Pressure Vessel Design Requirements

11.1 General

11.1.1 Short joining lengths of flexible hoses of approved type may be used, where necessary, to accommodate relative movement between various items of machinery connected to permanent piping systems.

11.1.2 Prototype pressure tests are to be carried out on each new type of hose, complete with end fittings, and in no case is the bursting pressure to be less than five times the maximum working pressure in service.

11.2 Applications for rubber hoses

11.2.1 Synthetic rubber hoses, with integral cotton or similar braid reinforcement, may be used in fresh and sea water systems, but not for fire extinguishing salt water services.

11.2.2 Synthetic rubber hoses for use in bilge, ballast, compressed air, hydraulic oil and other flammable liquid systems are to have single or double closely woven integral wire braid reinforcement or be otherwise inherently fire resistant and of an approved fire tested type.

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