High-pressure flexible connections for use with medical gas systems Ingestion-build-51215 BS 3356 gives you detailed

BS 3356 gives you detailed information about the test method used to determine the bending length and the flexural rigidity of fabrics

The method described in BS EN 62803 is based on the heterodyne principle

determination of the calibration function

type A1 and type B1 test specimens as specified in ISO 20753

3 Transportation regulations and labelling

High-pressure flexible connections for use with medical gas systems Ingestion-build-51215 BS 3356 gives you detailed1 Scope 1. 1 This International Standard applies to high pressure flexible connections intended to be connected to cylinders or cylinder bundles with nominal filling pressures up to 25 000 kPa at 15 C for use with the following medical gases: oxygen; nitrous oxide; air for breathing; helium; carbon dioxide; xenon; mixtures of the gases listed above; air for driving surgical tools; nitrogen for driving surgical tools; oxygen enriched air.