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Wetted Materials:Flowtube: Borosilicate glass; Floats: Glass or SS (sapphire, Carboloy and tantalum are optional); Float stops: PTFE; End fittings: Anodized aluminum, 316 SS, brass or PTFE; Packings: Fluoroelastomer, none on VAX5XX models; O-rings: Buna-N on aluminum models and brass models, fluoroelastomer on SS models, PTFE on VAX5XX models.
Temperature Limits:250°F (121°C); VAX5XX: -15 to 150°F (-26 to 65°C).
Pressure Limits:200 psig (13.8 bar); VAX5XX: 100 psig (6.7 bar).
Accuracy:±2% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute); VA1043, VA1243, VA1343, VA25425, VA25025: ±5% FS @ 70°F (21.1°C) and 14.7 psia (1 @ absolute).
Repeatability:±0.25% FS.Leak Rate:1 x 10-7 sccs of helium.
Scales:Universal 65 mm or 150 mm with correlation charts.
Turn-Down Ratio:10:1.
Connections:Two 1/8" female NPT.
Mounting:Vertical.Valve:6-turn needle (standard), optional 16-turn high precision valve.
Valve Orifice:Acetal on aluminum models and brass models, PCTFE on stainless steel models; PTFE on VAX5XX models.
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- Q: How can I track the logistics information of a product?
A: Once your order is shipped, you will receive a confirmation email with tracking information. You can use this information to track your order through the logistics provider's website.
- Q: Can I pre-order items that are not yet released?
A: Yes, we may offer pre-order options for certain items that are not yet released. Pre-ordering allows you to secure your item in advance, and we will ship it to you as soon as it becomes available.
- Q: How can I provide suggestions for improving your services?
A: We value your feedback and suggestions for improving our services. You can provide suggestions by contacting our customer service team or using the feedback form on our website. We appreciate your input and strive to enhance our offerings based on customer suggestions.
Reviews
- C
Chandler Hicks
Oct 16, 2025
Dwyer Flowmeter VA20435Mike Tennant is the MAN! But y'all know that already! Thanks so much for checking stock on this one for me.HelpfulUnhelpful - C
Chris Gutowski
Jul 01, 2024
Dwyer Flowmeter VA20435Easy peasyHelpfulUnhelpful - K
Kenny Brock
May 14, 2024
Dwyer Flowmeter VA20435Amazing!HelpfulUnhelpful - A
Alex King
Jun 16, 2023
Dwyer Flowmeter VA20435I’m excited for rapid delivery and a correct address!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Flowmeter VA20435All was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Flowmeter VA20435
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
30 Days Money Back Guarantee
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