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
- 3/4 in. NPTF female aluminum fitting
- 3/4 in. pipe 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 Specific Gravity
- Anodized aluminum body, piston, and cone
- T302 Stainless steel spring
- T316 Stainless steel retaining 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 |
|---|---|---|---|
| H771A-100 | 10 to 100 SCFM/5 to 47 L/SEC | 7.19 PSI | 12.87 PSI |
| H771A-250 | 25 to 250 SCFM/10 to 118 L/SEC | 6.27 PSI | 15.38 PSI |
