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Wetted Materials:Flowtube: Borosilicate glass; Float: 316 SS (black glass as indicated); Float stops: PTFE; End fittings: Anodized aluminum or 316 SS; O-rings: Buna-N on aluminum models and fluoroelastomer on SS models.
Temperature Limits:250°F (121°C).
Pressure Limits:250 psig (17 bar).
Accuracy:±5% FS @ 70°F (21.1°C) and 14.7 psia (1 atm absolute).
Repeatability:±0.25% of scale reading.
Scales:Direct reading 65 mm or 150 mm scales for air or water.
Turn-down ratio:10:1.
Connection:1/8" female NPT.
Mounting:Vertical.
Valve:6-turn needle (standard on models with valve).
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- Q: How can I apply for a purchase invoice?
A: On the checkout page, you can select the option for an invoice and fill in the relevant invoice information. We will provide you with the corresponding invoice according to your request.
- Q: Can I save my payment information for faster checkout?
A: We prioritize the security of your payment information and do not store sensitive payment details on our servers. However, you may have the option to securely save your payment information with trusted third-party payment processors for faster checkout on future orders.
- Q: Do you have a size conversion chart for international customers?
A: Yes, we provide size conversion charts for international customers on our website. These charts help you convert sizes between different measurement systems, ensuring you select the appropriate size for your region. They can usually be found in the product description or on the size guide page.
Reviews
- J
Jenn Swarthout
Jan 15, 2026
Dwyer Flowmeter DR120180The order went smoothly, and I received what I needed—let’s see if the shipping info is reliable (1-2 business days).HelpfulUnhelpful - J
Jim Zeller
Jul 01, 2025
Dwyer Flowmeter DR120180Thank youHelpfulUnhelpful - J
JR Haley
Dec 19, 2023
Dwyer Flowmeter DR120180I'll be back here again soon!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Flowmeter DR120180All was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Flowmeter DR120180
✔ 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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