The FLMG flow meters feature rugged construction, easy installation, and direct-reading flow rates of air. The units are calibrated at 100 psi pressure, suitable for most compressed pneumatic applications.
The spring-and-piston type assembly enables these flow meters to be mounted in any position. The FLMG models with optional analog output (-MA) are typically used to transmit a signal proportional to the flow rate to a process controller, a PLC, a recorder, or a panel-mount display. With the -MA option, the user can choose between reading a 0 to 2000 Hz square-wave pulse, a 0 to 5 Vdc analog signal, or a 2-wire 4 to 20 mA analog signal by connecting the appropriate pins.
SPECIFICATIONS Measuring Accuracy: ±4% FS over the entire scale range
Repeatability: ±1% FS
Flow Measuring Range: 1.2 to 900 SCFM
Maximum Operating Pressure: Aluminum and Brass Monitors: 40 bar (600 psig)
Stainless Steel Monitors: 70 bar (1000 psig) up to 116°C (240°F)
Maximum Operating Temperature: 116°C (240°F)
Note: For options “-HT” and “-UHT”, see high-temperature graph on spec sheet Pressure Differential: See the pressure graphs on
spec sheet.
Standard Calibration Fluids: Air @ 21°C (70°F), 1.0 sg and 6.8 bar (100 psig)
Relay (Optional): 1 or 2 form “C” relays, rated 10 A, 125 or 250 Vac or ¼ A, 250 Vdc
Mechanical Life: >10
6 cycles
Analog Output (Optional): Supply voltage 12 to 35 Vdc, field selectable for 0 to 5 Vdc (100 W minimum load), 0 to 2000 Hz square-wave pulse or 4 to 20 mA
R
max = 50 (V
s - 12)
(V
s = supply voltage DC)
Installation Dimensions: 1/4 and 1/2 NPT Sizes: 1-7/8 OD x 6-9/16" length
3/4 and 1 NPT Sizes: 2-3/8 OD x 7-5/32" length
1-1/4 and 1-1/2 NPT Sizes: 3-1/2 OD x 10-1/8" length
Materials of Construction (Wetted Parts) Description | Aluminum | Brass | Stainless Steel |
High pressure casing, end ports and tapered shaft | Aluminum | Brass | 304 SS |
Seals | Buna (std), EPR, FKM or perfluoroelastomer | Buna (std), EPR, FKM or perfluoroelastomer | FKM with PTFE backup (std) Buna, EPR or perfluoroelastomer |
Transfer Magnet | PTFE-coated Alnico | PTFE-coated Alnico | PTFE-coated Alnico |
Floating Orifice Disk | Stainless Steel | Stainless Steel | Stainless Steel |
All Other Internal Parts | Stainless Steel | Stainless Steel | Stainless Steel |
Materials of Construction (Non-Wetted Components) Description | Aluminum | Brass | Stainless Steel |
Window Tube | Polycarbonate (std), Pyrex® | Polycarbonate (std), Pyrex® | Polycarbonate (std), Pyrex® |
Window Seals | Buna (std) | Buna (std) | Buna (std) |