Using a ring magnet on the outside of the case, this monitor easily displays the airflow rate on your facility's line. The 0.25in (6.35mm) female NPT connection simplifies installation.
Using a ring magnet on the outside of the case, this monitor easily displays the airflow rate on your facility's line. The 0.25in (6.35mm) female NPT connection simplifies installation.
Discontinued!
This product has been discontinued and is no longer available. There is no direct replacement. Don't worry, we have some options to help you find what you need:
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With this Dwyer HFA-1-22 In-Line Flow Monitor on your air line, you can easily check the rate of airflow. The monitor is ideal for setting up pressure-relief valves, while the 0.25" (6.35 mm) female NPT connection allows easy connection to your existing line.
Features
Applications
| Connection Size | 0.25" (6.35 mm) female NPT |
| Air SCFM Range | 4 to 23 |
| Maximum Pressure Drop PSID | 3.61 |
| Wetted Materials | Aluminum (casing), Buna-N (seals), PTFE (magnet), stainless steel (disk) |
| Maximum Viscosity | 500 SSU |
| Temperature Limits | 240°F (116°C) |
| Pressure Limits | 600 psig (41 bar) |
| Accuracy | ±4% of full scale over the entire range, ±2.5% over center third of the measuring range |
| Repeatability | ±1% of full scale |
| Connection Size | 0.25" (6.35 mm) female NPT |
| Air SCFM Range | 4 to 23 |
| Maximum Pressure Drop PSID | 3.61 |
| Wetted Materials | Aluminum (casing), Buna-N (seals), PTFE (magnet), stainless steel (disk) |
| Maximum Viscosity | 500 SSU |
| Temperature Limits | 240°F (116°C) |
| Pressure Limits | 600 psig (41 bar) |
| Accuracy | ±4% of full scale over the entire range, ±2.5% over center third of the measuring range |
| Repeatability | ±1% of full scale |