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The fixed-orifice flowmeters are designed for low flow applications, from 0-2 to 0-40 GPH. Like the variable-area flowmeters they are built from solids blocks of metal making them a favorite for high line pressure applications, to 3000 psi. You will find many in hydraulic and pneumatic systems.
Though rugged, they maintain the sensitivity required for low flow measurements.We use a fixed Delrin orifice centered on a spring-loaded Buna-N diaphragm-magnet sensor, which provides sensitive responses to changes in flow. This diaphragm sensor is magnetically coupled to a pointer, which relays the flow rate onto an easy to read square-root calibrated dial.
These in-line flowmeters often replace rotameters, which have small scales that can be difficult to read, especially with dirty or opaque fluids.
FEATURES
• Large, easy-to-read dial • Rugged, high line pressure design • Vertical or horizontal mounting • 0-2 to 0-40 GPH • 1.5-5 SCFM
SPECIFICATIONS Model
2021 FG 2021 FGS 2021 FS G Type Type Description Flow Gauge Only
Flow Gauge with Switch
Flow Switch Only Flow Range Liquids
0-2 to 0-40 GPH (0-8 to 0-150 LPH)
0-2 to 0-40 GPH (0-8 to 0-150 LPH)
0-2 to 0-40 GPH (0-8 to 0-150 LPH)
Air & Gas
1.5-5 SCFM (60-140 SLPM)
1.5-5 SCFM (60-140 SLPM)
1.5-5 SCFM (60-140 SLPM)
*Turndown results in 1st mark at approximately 30% full scale Porting