BS EN ISO 6134:2017 pdf free
BS EN ISO 6134:2017 pdf free.Rubber hoses and hose assemblies for saturated steam – Specification
During either exposure, there shall be no leakage of steam through the hose wall. Following the test the lining shall not be cracked, blistered or pop-corned and the cover shall not be cracked or blistered.
On completion of either the short-term test or the long term test at room temperature, bend the test piece through 180° for sizes up to and including 32 mm and 90° for sizes over 32 mm, four times over a mandrel of the appropriate radius given in Table 1.
Type testing shall be performed in order to supply evidence that all the material construction and the requirements of this document have been met by the method of manufacture and hose design. Type tests shall be carried out a minimum of every five years or whenever a change of manufacture, design or material occurs, on the largest size of each design in the manufacturer’s range.
Before using for the first time, hose assemblies complying with this document shall have two stainless steel identification bands in addition to the marking specified in 13.1 and 13.2. These bands shall be fixed onto the hose assembly close to the end fitting so that they remain captive.
Identification details shall be marked legibly and durably by, for example, engraving. The identification bands are generally affixed by the operator.
Band 1 shall remain permanently in position on the hose assembly.Once routine tests have been carried out on hose assemblies in use, Band 2 shall be removed and replaced by a new band bearing the identification details stated for Band 2.Type and routine tests are specified in Annex C.Type tests are those tests required to confirm that the product meets all requirements of this document.
Routine tests are those tests that shall be carried out on all hose assemblies prior to dispatch.Production acceptance tests are those tests, specified in Annex D, which should be carried out to control the quality of manufacture. The frequency specified in Annex D is as a guide being an informative annex only.BS EN ISO 6134 pdf free download.