All types of pressure regulators listed are intended for the administration of the following medical gases in the treatment, management, diagnostic evaluation and care of patients:
Air for breathing;
Mixtures of the gases listed above;
Air for driving surgical tools;
Nitrogen for driving surgical tools.
These pressure regulators are intended to be fitted to cylinders with nominal filling pressures up to 25 000 kPa at 15 °C and can be provided with devices which control and measure the flow of the medical gas delivered.
The types of pressure regulators include:
Pressure regulators intended to be connected to cylinders by the operator;
Pressure regulators with integral flow-metering devices intended to be connected to cylinders by the operator;
Pressure regulators that are an integral part of medical equipment (e.g. Anesthetic workstations, lung ventilators, resuscitators).