BS ISO 2928:2021 pdf download – Rubber hoses and hose assemblies for liquefied petroleum gas (LPG) in the liquid or gaseous phase and natural gas up to 2,5 MPa (25 bar) — Specification This document specifies requirements for rubber hoses and rubber hose assemblies used for the transfer of liquefied petroleum gas (LPG) in the liquid or gaseous phase and natural gas and designed for use at working pressures ranging from vacuum to a maximum of 2,5 MPa (25 bar) within the temperature range −30 °C to +70 °C or, for low-temperature hoses (designated -LT), within the temperature range −50 °C to +70 °C. 2 Normative references The following documents are referred to in the text in such a way that some or all of their content constitutes requirements of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 37, Rubber, vulcanized or thermoplastic — Determination of tensile stress-strain properties ISO 48-2, Rubber, vulcanized or thermoplastic — Determination of hardness — Part 2: Hardness between 10 IRHD and 100 IRHD ISO 188, Rubber, vulcanized or thermoplastic — Accelerated ageing and heat resistance tests ISO 1382, Rubber — Vocabulary ISO 1402, Rubber and plastics hoses and hose assemblies — Hydrostatic testing ISO 1817, Rubber, vulcanized or thermoplastic — Determination of the effect of liquids ISO 4649, Rubber, vulcanized or thermoplastic — Determination of abrasion resistance using a rotating cylindrical drum device ISO 4671, Rubber and plastics hoses and hose assemblies — Methods of measurement of the dimensions of hoses and the lengths of hose assemblies ISO 6179:2017, Rubber, vulcanized or thermoplastic — Rubber sheets and rubber-coated fabrics — Determination of transmission rate of volatile liquids (gravimetric technique) ISO 7233, Rubber and plastics hoses and hose assemblies — Determination of suction resistance ISO 7326, Rubber and plastics hoses — Assessment of ozone resistance under static conditions ISO 8031, Rubber and plastics hoses and hose assemblies — Determination of electrical resistance and conductivity ISO 8033, Rubber and plastics hoses — Determination of adhesion between components ISO 8330, Rubber and plastics hoses and hose assemblies — Vocabulary — for types SD, SD-LTR and SD- LTS only, shall additionally have an embedded helical wire reinforcement. — for type SD-LTR only, an internal, non-embedded helical wire, suitable for−50 °C. For pricked hoses, the material shall be stainless steel. Assemblies shall...
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