Precast concrete products. Wall elements Ingestion-build-107062 NOTE 2: Low pressure gas

NOTE 2: Low pressure gas networks in Great Britain operate with a maximum operating pressure not exceeding 75 mbar

including refineries

Note: BS 4364 does not apply to oxygen for medical

They have two optical ports for directionally transmitting optical power

Precast concrete products. Wall elements Ingestion-build-107062 NOTE 2: Low pressure gas1 Scope This European Standard applies to prefabricated walls, made of normal weight or lightweight concrete with dense structure. Also fibre reinforced concrete (steel, polymer or other fibres covered by European Standards) may be used. These wall elements may have external wall functions (see 3. 11) or not, have facing functions (see 3. 12) or not or have a combination of these functions. External wall functions could be: thermal insulation (see 3.