"Crown" medical regulators and flowmeters are designed to use for Oxygen, Nitrous Oxide,
and other medical gases and widely used in many countries as well as in Japan, with the
high reputation established for many years.
Model FR-IK Single-stage Oxygen pressure regulator with a flowmeter and a humidifier.
Model NF-K Flowmeter for Oxygen pipeline with a humidifier which is easily detached for refilling water.
Model FR-10 A pair of Oxygen and Nitrous Oxids gas pressure regulators is degigned to be assembled with an anesthesia device.
To avoid misoperation, two regulators are given distinct differences, i.e., opposite inlet position, different direction of
valve operation, and different colour in pressure gauge.