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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 3G-OTH-91122, MPN VFA-42-BV) is an inline variable-area flowmeter for air and compressed gases, featuring a scale display and a flow rate adjustment knob. It has an accuracy of +/-5%, uses…

SKU 3G-OTH-91122

Also listed as: VFA42BV · VFA 42 BV

Brand
Dwyer
Item
Flowmeter, Range 2-10 Gph Water: Acrylic Flowmeter, Scale, Variable Area
Category
Inline Flowmeters for Air & Compressed Gases
Available to Order
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Worldwide Shipping
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

Dwyer
Manufacturer Part Number
VFA-42-BV
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

Technical Documents

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

Product Description

The DWYER Flowmeter (SKU 3G-OTH-91122, MPN VFA-42-BV) is an inline variable-area flowmeter for air and compressed gases, featuring a scale display and a flow rate adjustment knob. It has an accuracy of +/-5%, uses Buna-N seals and O-rings, and is designed for vertical mounting with a measurement range of 2-10 Gph Water in gallons.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the DWYER VFA-42-BV flowmeter used for?

The DWYER VFA-42-BV is an inline variable-area flowmeter designed to measure flow rates of air and compressed gases. It is commonly used in industrial process control, HVAC systems, and pneumatic lines where a scale display and flow adjustment knob are needed for monitoring and regulation.

What are the specifications of the DWYER VFA-42-BV flowmeter?

The DWYER VFA-42-BV has a range of 2-10 Gph Water, accuracy of +/-5%, and a scale display. It features Buna-N seals and O-rings, a flow rate adjustment knob, and requires vertical mounting. The unit measures in gallons and does not include a pressure gauge.

Where to buy the DWYER VFA-42-BV flowmeter worldwide?

3G Electric supplies the DWYER VFA-42-BV flowmeter to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this item.

How to install the DWYER VFA-42-BV flowmeter?

Install the DWYER VFA-42-BV in a vertical orientation with the flow arrow pointing upward. Ensure the pipe is clean and use compatible fittings. Tighten connections by hand to avoid damaging the acrylic body. Refer to the manufacturer's manual for torque and pressure limits.

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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