The RFS / RF line of Medium Duty Flowmeter Regulators combine a single stage diaphragm regulator with a dual calibrated flow tube to provide a flowmeter for the professional welder, laboratory, or industrial process gas user. The convenien. Industrial Flowmeters and Regulators, RFS / RF Series Meduim Duty Flowmeter Regulators, Western , Western RFS-3-P,REGULATOR / FLOWMETER / ARGON.
