Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
Dwyer VFA-1-BV Acrylic Inline Flowmeter for Air & Compressed Gases - Inline Flowmeters for Air & Compressed Gases
DwyerInline Flowmeters for Air & Compressed Gases

Dwyer VFA-1-BV Acrylic Inline Flowmeter for Air & Compressed Gases

The Dwyer VFA-1-BV is an acrylic inline flowmeter for air and compressed gases, featuring a scale display with a flow range of 0.1 scfh to 1 scfh and an accuracy of +/-5%. It includes a flow rate adjustment knob…

SKU 3G-OTH-91511

Also listed as: VFA1BV · VFA 1 BV

Brand
Dwyer
Item
VFA-1-BV Acrylic Inline Flowmeter for Air & Compressed Gases
Part Number
VFA-1-BV
Category
Inline Flowmeters for Air & Compressed Gases
Available to Order
Also known as:VFA-1-BVDwyer
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

Dwyer
Manufacturer Part Number
VFA-1-BV
Type
Scale, Variable Area, Inline, Vertical, 0.1 scfh – 1 scfh, 120°F
Accuracy
+/-5%
Display Type
Scale
Seal Material
Buna-N
O-Ring Material
Buna-N
Mounting Orientation
Vertical
Includes Pressure Guage
No
Includes Flow Rate Adjustment Knob
Yes

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 VFA-1-BV is an acrylic inline flowmeter for air and compressed gases, featuring a scale display with a flow range of 0.1 scfh to 1 scfh and an accuracy of +/-5%. It includes a flow rate adjustment knob, Buna-N seal and O-ring materials, and requires vertical mounting for operation at temperatures up to 120°F.

Frequently Asked Questions

What is the Dwyer VFA-1-BV acrylic flowmeter used for?

The Dwyer VFA-1-BV is an inline variable-area flowmeter designed to measure and adjust the flow rate of air and compressed gases. It is commonly used in industrial pneumatic systems, gas monitoring, and laboratory applications where a scale display and manual flow adjustment are required.

What are the specifications of the Dwyer VFA-1-BV flowmeter?

The Dwyer VFA-1-BV has a flow range of 0.1 scfh to 1 scfh with +/-5% accuracy. It features a scale display, Buna-N seal and O-ring materials, vertical mounting orientation, and a flow rate adjustment knob. Maximum operating temperature is 120°F. It does not include a pressure gauge.

Where to buy the Dwyer VFA-1-BV flowmeter worldwide?

3G Electric supplies the Dwyer VFA-1-BV acrylic flowmeter to customers worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for international shipping.

How to install the Dwyer VFA-1-BV flowmeter?

Install the Dwyer VFA-1-BV in a vertical orientation with flow entering the bottom port. Use pipe thread sealant on connections to prevent leaks. Ensure the ambient temperature does not exceed 120°F. Adjust flow using the integrated knob. Refer to the manufacturer's manual for detailed mounting and piping instructions.

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
Not sure this is the right part? Photo-identify it

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
Dwyer
Dwyer
Variable area flowmeter for air and compressed gases with a scale display and flow rate adjustment knob. Features an acrylic body, Buna-N seals and O-rings, vertical mounting orientation, and ±5% accuracy. Maximum fluid temperature 120°F
Dwyer
Dwyer
Acrylic inline variable-area flowmeter with scale display, vertical mounting, and +/-5% accuracy. Includes flow rate adjustment knob; Buna-N seals and O-rings. Suitable for measuring and adjusting flow of air and compressed gases in pneumatic circuits, gas monitoring, and HVAC systems
Dwyer
Dwyer
This Dwyer inline variable area flowmeter is designed for measuring flow rates of air and compressed gases. It features a scale display, flow rate adjustment knob, and Buna-N seals and O-rings. Accuracy is ±5%, and it requires vertical mounting. Typical applications include industrial process control, HVAC systems, and pneumatic lines

More from Dwyer

View all Dwyer parts
Dwyer
Dwyer
Variable area inline flowmeter with acrylic body for measuring and adjusting flow of air and compressed gases. Scale display with +/-5% accuracy, Buna-N seals and O-rings, vertical mounting, NPT connections. Includes flow rate adjustment knob; no pressure gauge
Dwyer
Dwyer
Acrylic inline flowmeter with scale display for measuring flow rate of air and compressed gases. Features +/-3% accuracy, Buna-N seals and O-rings, vertical mounting orientation, and flow rate adjustment knob. Measures in gallons, maximum temperature 120°F
Dwyer
Dwyer
This Dwyer VFB-55-SSV is an acrylic inline variable area flowmeter with a scale display, designed for measuring and adjusting flow rates of air and compressed gases. It has a flow range of 20 to 200 scfh, NPT connections, and an accuracy of ±3%. The meter includes a flow rate adjustment knob, Buna-N seals and O-rings, and requires vertical mounting. Typical applications include pneumatic systems, HVAC, and gas monitoring where manual flow control is needed
Dwyer
Dwyer
This inline variable area acrylic flowmeter is designed for measuring flow rates of air, compressed gases, and water. It features a scale display with +/-3% accuracy, Buna-N seals and O-rings, and a flow rate adjustment knob. The unit mounts vertically, uses NPT connections, and has a water flow range of 6 to 5 GPM
Dwyer
Dwyer
Variable area acrylic flowmeter for measuring flow of air and compressed gases. Scale display with 2-10 Gph water range, +/-5% accuracy. Buna-N seal and O-ring, vertical mounting, includes flow rate adjustment knob. Suitable for process monitoring and HVAC systems
Dwyer
Dwyer
The Dwyer VFA-2-BV is an inline variable-area acrylic flowmeter with a scale display, designed for measuring and adjusting flow rates of air and compressed gases. It features a flow rate adjustment knob, Buna-N seals and O-rings, and NPT connections for vertical mounting. Accuracy is ±5% full scale. Typical applications include pneumatic systems, HVAC, and gas monitoring where manual flow control is needed
Dwyer
Dwyer
This Dwyer VFA-4-BV is an inline acrylic variable area flowmeter with a scale display, designed for measuring flow of air and compressed gases. It has a range of 1-10 SCFH, accuracy of ±5%, and features Buna-N seals and O-rings. The flowmeter includes a flow rate adjustment knob, requires vertical mounting, and has NPT connections. Suitable for pneumatic systems, HVAC, and gas monitoring applications
Dwyer
Dwyer
Acrylic flowmeter with scale display, range 3-20 Gph water, accuracy +/-5%. Includes flow rate adjustment knob. Buna-N seals and O-rings. Vertical mounting orientation. Unit of measure: gallons

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first