Variable Area Flow Meters

Variable Area Flow Meters
King Instruments
7520 & 7530 Series

Economical machined cast acrylic block construction makes these meters great for OEM use. Optional inlet metering valve available

ABB
Series 10A6132
with Optional Control Valve

The Bailey-Fischer & Porter PURGEMASTER® 5 inch scale purgemeters are low capacity variable-area flowmeters for both liquid and gas with a nominal accuracy ±2% of full scale. The meter features a corrosion resistant stainless steel body and is available with or without a built in control valve. Other features include a quick,...

ABB
10A6131 Series
With Optional Control Valve

The PURGEMASTER® 3 inch scale purgemeters are low cost variable-area flowmeters for low capacities of both liquid and gas with a nominal accuracy ±10% of full scale. The meter features an optional built in control valve, a corrosion resistant stainless steel body, quick, easy snap-in tube constructions and a safety tested operator...

ABB
10A3200

The armored variable area flowmeter offers new possibilities for metering small flowrates of liquids and gases.The instrument is particularly well suited for metering cloudy, opaque or aggressive fluids.

ABB
10A2235 Series
with Optional Rotolarm

The ABBSeries 10A2235A Ratosight flow rate indicator is a rugged, low cost, glass tube, variable area flowmeter that provides stable and reliable operation while measuring liquid or gas flow rates. This indicator can be supplied with Ratoalarm extension (Series 10A2235-OA) for alarm actuation. The alarm unit can house one or two vibration-proof...

ABB
10A6100 Series

The Purgemaster Purge Meters are low capacity variable area flowmeters for both liquid and gas with an excellent selection of material and scale lengths in a single product family design. They provide optimum flexibility with minimum component proliferation. The meter features a corrosion resistant, high strength stainless steel body, quick,...

ABB
FAM540 Series

VA Master FAM540 variable area flowmeters are installed vertically in a pipeline. The flow must travel in an upward direction. Keep the meter as far as possible from pipeline vibrations and powerful magnetic fields. The pipeline should be the same size as the connection size of the flowmeter. Inlet and outlet straight pipe length are not...

King Instruments
7510 & 7511 Series

Acrylic block construction with direct reading scales have white screen printed backs to enhance scale readability. Connections are in-line for easy installation.

King Instruments
7470 Series

Available with NPT or flange connections, vertical or horizontal, this 127 mm scale glass tube meter offer value and versatility in 304 stainless case construction.

King Instruments
7450 Series

Side plate style meters with 75 mm or 150 mm borosilicate glass tube and 316L stainless steel or brass connections. Valves optional. Also available with PVC ends and Hastelloy® C-276 construction for greater chemical resistance

King Instruments
7200 Series

A real value in general purpose rotameters. Vertical connections are from 3/8 NPT to 2 NPT

Orange Research
2200, 2300 & 2400 Series
0-1 to 0-30 GPM 1.5-10 to 1-100 SCFM

Our variable-area flowmeters are designed for liquid or gas applications where rotameters often fall short. These models have large dials with bold markings and characters that are easy to read from a distance. They also handle high line pressures and can be mounted in any orientation.

Like rotameters, they are mounted directly in...

Orange Research
2020 Series
0-2 to 0-40 GPH 1.5-5 SCFM

Our fixed-orifice flowmeters are designed for low flow applications, from 0-2 to 0-40 GPH. Like our variable-area flowmeters they are built from solids blocks of metal making them a favorite for high line pressure applications, to 3000 psi. You will find many in hydraulic and pneumatic systems.

Though rugged, they maintain the...

Dwyer
Series RM
Polycarbonate, Gas Flow from 0.05-1800 SCFH, Water Flows to 10 GPM

The Rate-Master® flowmeter line of direct reading precision flowmeters incorporates many unique user features at moderate cost. These low cost flowmeters are ideal for general use.

Easy to read design — The direct reading scales eliminate troublesome conversions. The scales are brushed aluminum, coated with epoxy and the...

Dwyer
Series VFA & VFB
Used to Indicate or Manually Control Air or Water Flow

The Visi–Float® flowmeter bodies are cut and precision machined from solid, clear acrylic plastic blocks. This construction not only produces a handsome finished product, but permits complete visual inspection. As a result, the Visi-Float® flowmeters are especially popular for medical and laboratory equipment applications.