BS EN ISO 3861:2021 pdf download – Rubber hoses and hose assemblies for sand and grit blasting — Specification This document specifies the requirements for rubber hoses and hose assemblies for wet and dry sand and grit blasting, suitable for use up to a maximum working pressure of 0,63 MPa (6,3 bar) and over an operating temperature range of −25 °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 188:2011, Rubber, vulcanized or thermoplastic — Accelerated ageing and heat resistance tests ISO 1307, Rubber and plastics hoses — Hose sizes, minimum and maximum inside diameters, and tolerances on cut-to-length hoses ISO 1402, Rubber and plastics hoses and hose assemblies — Hydrostatic testing ISO 4649:2017, 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 7326:2016, 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 ISO 10619-1:2017, Rubber and plastics hoses and tubing — Measurement of flexibility and stiffness — Part 1: Bending tests at ambient temperature ISO 10619-2:2017, Rubber and plastics hoses and tubing — Measurement of flexibility and stiffness — Part 2: Bending tests at sub-ambient temperatures 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 8330 apply. 6.2 Concentricity When determined in accordance with ISO 4671, the concentricity, based on a total indicator reading between the inside diameter and the outside surface of the cover, shall be no greater than 1,0 mm. 6.3 Tolerance on length When measured in accordance with ISO 4671, the tolerance on cut lengths shall be as specified in ISO 1307. 6.4 Minimum thickness of lining and cover When measured in accordance with ISO 4671, the...
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