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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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A: Yes, you can track your order without creating an account. Simply click on the "Track Order" link on the website and enter the necessary details, such as your order number and email address.
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A: Absolutely! We offer a variety of alternative options for this product. Whether it's different colors, sizes, or styles, you can explore the range of alternatives available to find the perfect fit for your needs.
Reviews
- J
John Wright
Apr 02, 2025
Dwyer Flowmeter VA20438Top-notchHelpfulUnhelpful - J
Joanne Blair
Feb 10, 2025
Dwyer Flowmeter VA20438Exactly what I was thinking!HelpfulUnhelpful - T
Tony Phanord
Feb 09, 2025
Dwyer Flowmeter VA20438I managed to try a few starters that were pretty good.HelpfulUnhelpful - C
Cirilo Sanchez
Mar 08, 2024
Dwyer Flowmeter VA20438Best prices out there. Excellent customer service as well.HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Flowmeter VA20438All was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Flowmeter VA20438
✔ In Stock (Can ship in 5-7 days)

Online Support 24/7
12 Months Warranty for New Products
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