✔ In Stock (Can ship in 5-7 days)

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12 Months Warranty for New Products
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Wetted Materials:Flowtube: Borosilicate glass; Float: Brass/SS models: 316 SS; PTFE models: PTFE; Float stops: Brass/SS models: 316 SS; PTFE models: PTFE; End fittings: Brass/SS models: Brass or 316 SS; PTFE models: PTFE; O-rings: Brass/SS models: Fluoroelastomer; PTFE models: PTFE.
Temperature Limits:250°F (121°C). PTFE models: 150°F (65°C).
Pressure Limits:150 psig (10.34 bar) @ 200°F (93°C); PTFE models: 100 psig (6.7 bar).
Accuracy:±7% FS.Repeatability:±0.25% FS.
Scale:Direct Reading 127 mm scales for air and water.
Turn-Down Ratio:10:1.
Connections:Two 3/8" female NPT.
Mounting:Vertical or panel mount.
Panel Cutout:Drill two 7/8" diameter holes 9.469" (240.5 mm) apart (for panel mount meters only).
Valve:6-turn needle (standard on models indicating "with valve").
Ask questions
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- Q: How can I cancel or modify an order?
A: If you need to cancel or modify an order, please contact our customer service team as soon as possible. We will do our best to accommodate your request based on the order status and feasibility.
- Q: Do you have any recommended alternative products?
A: Yes, we have a range of recommended alternative products available. If you're looking for options similar to a particular product, our website or customer service representatives can provide you with suitable recommendations based on your preferences and needs.
- Q: What should I do if a product is lost or damaged during shipping?
A: We purchase shipping insurance for every order to ensure the safety of the products during transportation. If the products are lost or damaged, please contact our customer service team promptly. We will assist you in resolving the issue and provide appropriate compensation.
Reviews
- M
Misa Belencan
Nov 15, 2025
Dwyer Flowmeter RSF021Perfectly aligned with my needs!HelpfulUnhelpful - G
Gary DiNezza
May 19, 2025
Dwyer Flowmeter RSF021Pleased to have you arrive!HelpfulUnhelpful - J
James Logsdon
Jun 14, 2024
Dwyer Flowmeter RSF021Genial, Tyreem Harris fue de gran ayuda.HelpfulUnhelpful - W
William Cook
Oct 22, 2023
Dwyer Flowmeter RSF021A breeze!HelpfulUnhelpful - A
Anonymous user
Nov 25, 2022
Dwyer Flowmeter RSF021All was ok! No problems whatsoever.HelpfulUnhelpful
Dwyer Flowmeter RSF021
✔ 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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