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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:VFB 4" typical length.
Mounting Orientation:Mount in vertical position.
Weight:VFB: 7.2 to 8.8 oz (.20 to .25 kg).
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Reviews
- J
James Shaw
Dec 19, 2025
Dwyer Flowmeter VFB-81-BVMy second experience here was smooth; I found the product I needed at a great price.HelpfulUnhelpful - J
Jeffrey Dixon
Dec 17, 2025
Dwyer Flowmeter VFB-81-BVIt's a must-have at this price, don't wait.HelpfulUnhelpful - S
Samuel Kim
Dec 10, 2024
Dwyer Flowmeter VFB-81-BVSmooth and quickHelpfulUnhelpful - E
Elizabeth Raftopoulos
Jan 27, 2024
Dwyer Flowmeter VFB-81-BVI've got all the necessary support.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Flowmeter VFB-81-BVAll was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Flowmeter VFB-81-BV
✔ In Stock (Can ship in 5-7 days)

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