Need More Details?
If you’d like to check stock availability, request the latest price, or view more product images, simply click the "Request for Price" button and our team will assist you promptly.

The Dwyer VA12421 Variable Area Glass Flowmeter offers precise and reliable flow measurement for a variety of applications. This flowmeter is engineered for accurate monitoring of liquids and gases, making it an essential component in industrial, laboratory, and commercial settings. Its robust design and durable construction ensure long-term performance.
The VA12421 features a transparent glass tube with a calibrated float, enabling clear visual monitoring of flow rates. Constructed with corrosion-resistant materials, this flowmeter withstands demanding environments. It is ideal for applications such as chemical processing, water treatment, and HVAC systems. The variable area design automatically adjusts to flow variations, providing consistent and accurate readings. This product is a reliable solution for monitoring water, air, or compatible fluids.
Key Features:
Specifications:
Flow Rate Range: 0.1 to 10 GPM (Water), 1 to 50 SCFM (Air)
Connection Size: 1/2 inch NPT
Materials: Glass tube, stainless steel float
Pressure Rating: Up to 150 PSI
Temperature Rating: Up to 150°F
The Dwyer VA12421 is a trusted solution for consistent and accurate flow measurement, backed by Dwyer's reputation for quality. Integrate this flowmeter into your industrial or automation systems for enhanced performance and reliability. For any inquiries, please contact us at info@ramautomations.com.
Returns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.