This standard specifies requirements for manifold pressure regulators intended to be connected to cylinders with nominal filling pressures up to 25 000 kPa at 15 °C and for line pressure regulators for inlet pressures up to 3 000 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.