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DwyerInline Flowmeters for Air & Compressed Gases

Dwyer Flowmeter, Range 2-10 Gph Water: Acrylic Flowmeter, Scale, Variable Area

The DWYER Flowmeter (SKU 25F484, MPN VFA-42-SSV) is an inline variable-area acrylic flowmeter for air and compressed gases, with a scale display and a range of 2-10 Gph water. It features a Buna-N seal and O-ring, a…

SKU 3G-OTH-91178

Brand
Dwyer
Item
Flowmeter, Range 2-10 Gph Water: Acrylic Flowmeter, Scale, Variable Area
Category
Inline Flowmeters for Air & Compressed Gases
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Technical Specifications

Dwyer
Manufacturer Part Number
VFA-42-SSV
Type
Scale, Variable Area, Inline, Vertical
Accuracy
+/-5%
Display Type
Scale
Seal Material
Buna-N
O-Ring Material
Buna-N
Unit Of Measure
Gallons
Mounting Orientation
Vertical
Range 2-10 Gph Water
Acrylic Flowmeter
Includes Pressure Guage
No
Includes Flow Rate Adjustment Knob
Yes
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Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER Flowmeter (SKU 25F484, MPN VFA-42-SSV) is an inline variable-area acrylic flowmeter for air and compressed gases, with a scale display and a range of 2-10 Gph water. It features a Buna-N seal and O-ring, a flow rate adjustment knob, vertical mounting orientation, and an accuracy of +/-5%.

Used in

Common applications for Dwyer
Combustion air-filter monitoring — Magnehelic Series 2000 on burner air-intake filter banks
Clean-room and pharmaceutical pressurisation — Magnehelic / Capsuhelic differential-pressure gauges
HVAC fan-discharge static pressure — Mark II inclined-vertical manometers on AHU test points
Filter-blockage alarms — Photohelic Series 3000 combined gauge/switch on air-handling units
BMS-integrated pressure monitoring — Digihelic DH3 with 4–20 mA output for building management

Dwyer Products

3G Electric supplies Dwyer inline flowmeters for air & compressed gases. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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