We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

3G Electric
⌕
RFQ CartGet a QuoteSign inSign up
Image not available
DwyerInline Flowmeters for Air & Compressed Gases

Dwyer Flowmeter, Range 2-2 Scfh Air: Acrylic Flowmeter, Scale, Variable Area

The DWYER Flowmeter (SKU 25F477, MPN VFA-2-BV) is an inline variable-area acrylic flowmeter for air and compressed gases, featuring a scale display and a range of 2-2 Scfh Air. It includes a flow rate adjustment…

SKU 3G-OTH-91570

Brand
Dwyer
Item
Flowmeter, Range 2-2 Scfh Air: Acrylic Flowmeter, Scale, Variable Area
Category
Inline Flowmeters for Air & Compressed Gases
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

Dwyer
Manufacturer Part Number
VFA-2-BV
Type
Scale, Variable Area, Inline, Vertical, NPT
Accuracy
+/-5%
Display Type
Scale
Seal Material
Buna-N
O-Ring Material
Buna-N
Range 2-2 Scfh Air
Acrylic Flowmeter
Mounting Orientation
Vertical
Includes Pressure Guage
No
Includes Flow Rate Adjustment Knob
Yes
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

Dwyer Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The DWYER Flowmeter (SKU 25F477, MPN VFA-2-BV) is an inline variable-area acrylic flowmeter for air and compressed gases, featuring a scale display and a range of 2-2 Scfh Air. It includes a flow rate adjustment knob, has an accuracy of +/-5%, and is designed for vertical mounting with NPT connections. The seal and O-ring materials are Buna-N.

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.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
Dwyer
Dwyer
DWYER Flowmeter, Range 1-10 Scfh Air: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, NPT (MPN VFA-4-BV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-5%; Seal Material: Buna-N.
DWYER Flowmeter: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 0.1 scfh – 1 scfh, 120°F (MPN VFA-1-BV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-5%; Seal Material: Buna-N.
Dwyer
DWYER Flowmeter: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 0.1 scfh – 1 scfh, 120°F (MPN VFA-1-BV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-5%; Seal Material: Buna-N.
Dwyer
Dwyer
DWYER Flowmeter, Range 2-10 Gph Water: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical (MPN VFA-42-BV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-5%.
DWYER Flow Meter Pvc 2 - 20 Gpm: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 120°F (MPN VFC-143). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: No; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-2%.
Dwyer
DWYER Flow Meter Pvc 2 - 20 Gpm: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 120°F (MPN VFC-143). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: No; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-2%.
Dwyer
Dwyer
DWYER Flowmeter Vertical Mount: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 120°F (MPN VFB-85-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-3%.

More from Dwyer

View all Dwyer parts →
Dwyer
Dwyer
DWYER Visi Float Flow Meter 6-5 Scfh Air: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical (MPN VFA-3-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-5%; Seal Material: Buna-N.
DWYER 1-10 Gpm Water, Flow Meter: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 120°F (MPN VFC-142). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: No; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-2%.
Dwyer
DWYER 1-10 Gpm Water, Flow Meter: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 120°F (MPN VFC-142). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: No; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-2%.
Dwyer
Dwyer
DWYER Flowmeter, Range 2-10 Gph Water: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical (MPN VFA-42-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-5%.
Dwyer
Dwyer
DWYER Flowmeter, Range 3-20 Gph Water: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical (MPN VFA-43-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Unit Of Measure: Gallons; Brand: DWYER; Accuracy: +/-5%.
DWYER Flowmeter, Range 4-40 Scfh Air: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, NPT (MPN VFB-52-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-3%; Seal Material: Buna-N.
Dwyer
DWYER Flowmeter, Range 4-40 Scfh Air: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, NPT (MPN VFB-52-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-3%; Seal Material: Buna-N.
Dwyer
Dwyer
DWYER Flowmeter: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 20 scfh – 200 scfh, NPT (MPN VFB-55-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-3%; Seal Material: Buna-N.
Dwyer
Dwyer
DWYER Flow Meter W/Stainless Valve: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, 120°F (MPN VFA-5-SSV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-5%; Seal Material: Buna-N.
Dwyer
Dwyer
DWYER Flowmeter 4-30 Scfh Air Range: Acrylic Flowmeter, Scale, Variable Area, Inline, Vertical, NPT (MPN VFA-6-BV). Key specifications — Display Type: Scale; O-Ring Material: Buna-N; Includes Flow Rate Adjustment Knob: Yes; Includes Pressure Guage: No; Mounting Orientation: Vertical; Brand: DWYER; Accuracy: +/-5%; Seal Material: Buna-N.