Variable Area Flowmeters

Swagelok variable area flowmeters measure liquid and gas flow rates via a
tapered tube and float. They provide accurate measurement with individually calibrated scales and a 10:1 turndown ratio. They are factory-calibrated and marked to indicate specific media, flow range and accuracy class. They are available with NPT and flange-end connections in sizes from 1/8 in. to 1 ¼ in., with high/low flow indicators, transistor relays, and 4 to 20mA analog outputs.

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