Variable area glass flowmeter, SS float, max. flow rate 4.12 SCFH (1946 ml/min) air, 0.881 GPH (55.6 ml/min) water.
The Series VA Variable Area Glass Flowmeters. Flowmeters are designed with an easy-to-read universal mm scale and supplied with a correlation chart containing calibration data for air and water. Correlation data for other gases and liquids are available.