Aluminum air flowmeters install in any position. This variable area type flowmeter utilizes a spring and piston type assembly. Differential pressure caused by flow between the metering cone and the piston/magnet assembly moves the piston against a retaining spring.
Specifications
- 1/2 in. NPTF female aluminum fitting
- 1/2 in. SAE 10 nominal port size
- Max. pressure: 1000 PSI/ 69 bar
- Temperature range-20° to 240° F (-29° to 116° C)
- Accuracy: ±2% of full scale
- Repeatability ± 1%
- Read in standard cu.-ft./min. (scfm)
- Compensate for system pressures between 40 and 130 PSI
- Relatively insensitive to shock and vibration
- Install in any position, at any angle, even after 90° elbows
- No flow straighteners or special piping required
- No need for special turbulence-reducing fittings.
- Calibrated for 1.0 S.G.
- Anodized aluminum body, piston, and cone
- T302 Stainless steel spring
- T316 Stainless steel restraining spring & ring, and plate
- Viton® pressure seals
- Nitrile Rubber N Guard seal/bumper
- Indicator & internal magnet: PPS/Ceramic
- Nylon end caps
- NPTF threads ANSI B2.2
| Part # | Flow-Rate | 50% Flow Pressure Drop | 100%Flow Pressure Drop |
|---|---|---|---|
| H671A-025 | 03 to 25 SCFM/ 2 to 19 L/SEC | 3.73 PSI/ 0.26 bar | 6.10 PSI/ 0.42 bar |
| H671A-050 | 5 to 50 SCFM/ 3 to 22 L/SEC | 6.04 PSI/0.42 bar | 10.35 PSI/ 0.71 bar |
| H671A-100 | 10 to 100 SCFM/5 to 47 L/SEC | 7.18 PSI/0.50 bar | 13.85 PSI/ 0.95 bar |
