BS ISO 7313:2020 pdf free

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BS ISO 7313:2020 pdf free.Aircraft一High temperature convoluted hose assemblies in polytetrafluoroethylene (PTFE).
BS ISO 7313 This document specifies characteristics of hose assemblies with corrosion-resistant metallic braid and convoluted polytetrafluoroethylene (PTFE) inner tube for use in aircraft fluid systems at temperatures between -55 °C and +200 °C and at nominal pressures, depending on bore size, up to 6,8 MPa. Special approval from the proper national authority can be required ifthese hoses are to be part ofa pressurized gas storage system. Two types of hose assembly are covered in this document: -Type 1: Non-conductive inner tube; and -Type 2: Conductive inner tube.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 756-1, Propan-2-ol for industrial use一Methods of test一Part 1: General.The hose assemblies furnished in accordance with this document shall be a product identical to that which has passed the qualification tests herein and shall be suitable for use in aircraft fluid systems under the conditions specified herein.The hose assembly shall consist of a convoluted PTFE inner tube which may be covered with convoluted woven glass cloth and other suitable material. The convoluted PTFE inner tube may also be reinforced with stainless steel wire braid and with end fittings suitable for the intended installation. This document shall specifically cover the hose assembly made up of the specified hose and the hose attachment mechanism of the fitting.Each hose assembly shall be free from defects of material, workmanship, and finish; shall conform dimensionally to the requirements of this document; shall withstand the proof pressure specified in Table 2 without imperfection or leakage occurring when tested as specified in 5.4.3; and shall be capable of performance requirements specified below.BS ISO 7313 pdf download.

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