What is BS EN 1474-2 about?
BS EN 1474-2 discusses about Installation and equipment for liquefied natural gas.
BS EN 1474-2 gives general guidelines for the design, material selection, qualification, certification, and testing details of hose assemblies for Liquefied Natural Gas (LNG) marine transfer applications.
The transfer hose assemblies are part of transfer systems (it means that they may be fitted with ERS, QCDC, handling systems, hydraulic and electric components, etc.)
Who is BS EN 1474-2 for?
BS EN 1474-2 on design and testing of transfer hoses is beneficial for:
- Oil companies
- Maritime shipping companies
- Marine hose testing laboratories
- Installers of LNG
- LNG industries and plants
Why should you use BS EN 1474-2?
Transfer hose is a rugged suction and discharge, flexible hose designed for oilfield applications. The hose is designed to handle the transfer of salt and fresh water.
BS EN 1474-2 assists the user with various types of transfer hoses. A corrugated metal hose assembly consists of a core layer made of stainless-steel corrugations, and several other layers, metallic or non-metallic, reinforcing the mechanical strength of the flexible part of the hose assembly. A composite hose assembly consists of un-bonded, multiple polymeric films and fabric layers bounded between two-wire helices which give the flexible part of the hose assembly its shape, one being internal and one being external.
An LNG Transfer Hose assembly consists of the following:
- Flexible part of the hose assembly
- Associated end fittings
At present LNG transfer hose assemblies are categorized in three types according to their method of construction:
- Those based on a reinforced corrugated metal hose construction, hereafter called corrugated metal hose
- Those based on construction in which polymeric films and fabrics are entrapped between a pair of close wound helical wires, hereafter called composite hose
- Those based on a hose-in-hose construction with annular space and which can derivate from one of the above technologies
Overall, BS EN 1474-2 is helpful as it aids in the hose assembly forms which is part of a system for the transfer of LNG, for the requirements which dictate the exact design of the hose assembly. The hose assembly construction ensures that all materials are used within their individual range of temperature.
What’s changed since the last update?
BS EN 1474-2:2020 supersedes BS EN 1474‑2:2008, which is withdrawn.
In comparison with the previous edition, the following technical modifications have been made:
- Update of the scope
- Review of Application and introduction of Hose Qualification Categories
- Revision of hose assembly categories
- Review of design features
- Review of qualification requirements