Variable-Area Flowmeter is intended for use with liquids.

Press Release Summary:

Supplied pre-calibrated for horizontal, inline mounting, Series DTFW is available with brass or 316 stainless steel body to withstand system pressures up to 3,000 psig. Ranges are offered up to 30 gpm, and products measure water flow rates with ±2% FS accuracy. Available with ¼, ½, and 1 in. connections, series features 2.5 in. dia dial face. Other elements of construction include 302 SS spring and range spring, PTFE-coated magnet, acetal or PTFE metering cone, and Buna seals.

Original Press Release:

NEW Series DTFW Variable-Area Flowmeter for Liquids

Dwyer Instruments, Inc., the preferred source for your complete range of practical and affordable instrumentation, is announcing the release of its NEW SERIES DTFW VARIABLE-AREA FLOWMETER FOR LIQUIDS.

The compact Series DTFW Variable-Area Flowmeter for Liquids allows for the accurate measurement of compatible gases at an affordable price. To ensure reliability, construction consists of a rugged brass or available stainless steel to help withstand system pressure of up to 3000 psig (206.7 bar). For added versatility, Series DTFW is available in a wide variety of ranges up to 30 GPM.

Complete details are available on our website @

Dwyer Instruments, Inc.
P.O. Box 373
Michigan City, IN 46361
Phone: (800) 872-9141 or (219) 879-8000
Fax: (219) 872-9057
Internet address:

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