Defines requirements for manifold pressure regulators intended to be connected to cylinders with nominal filling pressures up to 25000 kPa at 15 degrees C and for line pressure regulators for inlet pressures up to 3000 kPa and intended for use in pipeline systems for the following medical gases: - oxygen; - nitrous oxide; - air for breathing; - carbon dioxide; - oxygen/nitrous oxide mixtures; - air for driving surgical tools; - nitrogen for driving surgical tools; - oxygen produced by an oxygen concentrator.