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Wetted Materials:Body: Acrylic plastic; O-ring: Buna-N (fluoroelastomer available); Metal parts: Nickel plated brass standard, SS optional; Float: SS, black glass, aluminum, K monel depending on range.
Temperature & Pressure Limits:Without Valve: 100 psig (6.9 bar) @ 150°F (65°C); 150 psig (10 bar) @ 100°F (38°C); With Valve: 100 psig (6.9 bar) @ 120°F (48°C).
Accuracy:VFA = 5% of FS; VFB = 3% of FS.
Process Connection:1/8" female NPT. VFB ranges 85 and 86 have 1/4" NPT back connections or 3/8" NPT end connections. These ranges not available with brass valves.
Scale Length:VFA 2" typical length; VFB 4" typical length.
Mounting Orientation:Mount in vertical position.
Weight:VFA: 4.0 to 4.8 oz (.11 to .14 kg)
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Reviews
- G
Greg Modde
Jan 22, 2026
Dwyer Flowmeter VFA-41-BVGreat. Fans arrived quickly and work as promised.HelpfulUnhelpful - C
Carla James
Jan 10, 2026
Dwyer Flowmeter VFA-41-BVExcellent cooperation.HelpfulUnhelpful - T
Tim Carnation
Jul 16, 2025
Dwyer Flowmeter VFA-41-BVExtremely easy to accessHelpfulUnhelpful - C
Charles McFeeley
Jul 10, 2023
Dwyer Flowmeter VFA-41-BVService was exactly as advertised: speedy and budget-friendly. They had the hard-to-find item in stock and sent it out right away.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Flowmeter VFA-41-BVAll was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Flowmeter VFA-41-BV
✔ In Stock (Can ship in 5-7 days)

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