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In-line Pneumatic Flowmeters

FLMG Series

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•	Monitoring Most Pneumatic or Compressed Gas Systems
•	Flow Rates From 2 to 1000 SCFM @ 100 psi
•	High Pressure to 600 psi – Brass Aluminum. 1000 psi – Stainless Steel
•	High Temperature to 240°F – Standard 400°F or 600°F – Optional
•	Mounts in Any Position
•	Relay Alarms and Analog Outputs Optional
View related products - Variable Area Flowmeters and Rotameters

The FLMG flowmeters 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 flowmeters utilize a spring and piston type assembly which enables them to be mounted in any position.

SPECIFICATIONS
Measuring Accuracy: ±2.5% FS in the center third of the measuring range; ±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 at www.omega.com/flmw
Pressure Differential: Visit www.omega.com/flmw for graphs
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: >10⁶ 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 (Vs - 12)
(V_s = supply voltage DC)

To Order (Specify Model Number)

Part Number	Availability	Price	Description	Qty.

FLMG-14012AL	1 Week	$193.00	1/4 NPT Aluminum 12 SCFM	qty.
FLMG-14012BR		$239.00	1/4 NPT Brass 12 SCFM	qty.
FLMG-14012SS		$540.00	1/4 NPT 304 SS 12 SCFM	qty.
FLMG-14022AL		$193.00	1/4 NPT Aluminum 23 SCFM	qty.
FLMG-14012AL-MA	3 Weeks	$699.00	1/4 NPT Aluminum 23 SCFM, 4-20 mA output	qty.
FLMG-14022BR	3 Weeks	$239.00	1/4 NPT Brass 23 SCFM	qty.
FLMG-14022SS	3 Weeks	$540.00	1/4 NPT 304SS 23 SCFM	qty.
FLMG-14050AL		$193.00	1/4 NPT Aluminum 50 SCFM	qty.
FLMG-14050BR		$239.00	1/4 NPT Brass 50 SCFM	qty.
FLMG-14050SS	3 Weeks	$540.00	1/4 NPT 304SS 50 SCFM	qty.
FLMG-14100AL		$193.00	1/4 NPT Aluminum 100 SCFM	qty.
FLMG-14100BR		$239.00	1/4 NPT Brass 100 SCFM	qty.
FLMG-14100BR-R1		$444.00	1/4 NPT Brass 100 SCFM, single SPDT relay	qty.
FLMG-14100SS		$540.00	1/4 NPT 304SS 100 SCFM	qty.
FLMG-38012AL		$193.00	3/8 NPT Aluminum 12 SCFM	qty.
FLMG-38012AL-MA	3 Weeks	$699.00	3/8 NPT Aluminum 12 SCFM, 4-20 mA output	qty.
FLMG-38012AL-R1		$408.00	3/8 NPT Aluminum 12 SCFM, single SPDT relay	qty.
FLMG-38012BR	3 Weeks	$239.00	3/8 NPT Brass 12 SCFM	qty.
FLMG-38012BR-R1	3 Weeks	$444.00	3/8 NPT Brass 12 SCFM, single SPDT relay	qty.
FLMG-38012SS	3 Weeks	$540.00	3/8 NPT 304 SS 12 SCFM	qty.
FLMG-38022AL		$193.00	3/8 NPT Aluminum 23 SCFM	qty.
FLMG-38022AL-MA		$699.00	3/8 NPT Aluminum 23 SCFM, 4 to 20 mA output	qty.
FLMG-38022BR		$239.00	3/8 NPT Brass 23 SCFM	qty.
FLMG-38022SS	3 Weeks	$540.00	3/8 NPT 304SS 23 SCFM	qty.
FLMG-38050AL		$193.00	3/8 NPT Aluminum 50 SCFM	qty.
FLMG-38050BR		$239.00	3/8 NPT Brass 50 SCFM	qty.
FLMG-38050SS	3 Weeks	$540.00	3/8 NPT 304SS 50 SCFM	qty.
FLMG-38100AL		$193.00	3/8 NPT Aluminum 100 SCFM	qty.
FLMG-38100AL-MA		$699.00	3/8 NPT Aluminum 100 SCFM, 4 to 20 mA output	qty.
FLMG-38100BR	3 Weeks	$239.00	3/8 NPT Brass 100 SCFM	qty.
FLMG-38100SS	3 Weeks	$540.00	3/8 NPT 304SS 100 SCFM	qty.
FLMG-12012AL		$193.00	1/2 NPT Aluminum 12 SCFM	qty.
FLMG-12012AL-MA		$699.00	1/2 NPT Aluminum 12 SCFM, 4 - 20 mA output	qty.
FLMG-12012AL-R1		$408.00	1/2 NPT Aluminum 12 SCFM, single SPDT relay	qty.
FLMG-12012BR		$239.00	1/2 NPT Brass 12 SCFM	qty.
FLMG-12012BR-MA		$739.00	1/2 NPT Brass 12 SCFM, 4-20mA output	qty.
FLMG-12012BR-R1		$444.00	1/2 NPT Brass 12 SCFM, single SPDT relay	qty.
FLMG-12012SS	3 Weeks	$540.00	1/2 NPT 304 SS 12 SCFM	qty.
FLMG-12022AL	3 Weeks	$193.00	1/2 NPT Aluminum 23 SCFM	qty.
FLMG-12022AL-MA	3 Weeks	$699.00	1/2 NPT Aluminum 23 SCFM, 4 - 20 mA output	qty.
FLMG-12022BR	3 Weeks	$239.00	1/2 NPT Brass 23 SCFM	qty.
FLMG-12022BR-R1		$444.00	1/2 NPT Brass 23 SCFM, single SPDT relay	qty.
FLMG-12022SS		$540.00	1/2 NPT 304SS 23 SCFM	qty.
FLMG-12050AL		$193.00	1/2 NPT Aluminum 50 SCFM	qty.
FLMG-12050AL-MA	3 Weeks	$699.00	1/2 NPT Aluminum 50 SCFM, 4-20mA output	qty.
FLMG-12050BR		$239.00	1/2 NPT Brass 50 SCFM	qty.
FLMG-12050BR-MA		$739.00	1/2 NPT Brass 50 SCFM, 4-20mA output	qty.
FLMG-12050BR-R2		$501.00	1/2 NPT Brass 50 SCFM, dual SPDT relays	qty.
FLMG-12050SS		$540.00	1/2 NPT 304SS 50 SCFM	qty.
FLMG-12050SS-MA		$931.00	1/2 NPT 304SS 50 SCFM, 4-20mA output	qty.
FLMG-12100AL		$193.00	1/2 NPT Aluminum 100 SCFM	qty.
FLMG-12100AL-R1		$408.00	1/2 NPT Aluminum 100 SCFM, single SPDT relay	qty.
FLMG-12100BR	3 Weeks	$239.00	1/2 NPT Brass 100 SCFM	qty.
FLMG-12100SS	3 Weeks	$540.00	1/2 NPT 304SS 100 SCFM	qty.
FLMG-34050AL		$276.00	3/4 NPT Aluminum 60 SCFM	qty.
FLMG-34050BR		$368.00	3/4 NPT Brass 60 SCFM	qty.
FLMG-34050SS	3 Weeks	$723.00	3/4 NPT 304SS 60 SCFM	qty.
FLMG-34100AL		$276.00	3/4 NPT Aluminum 100 SCFM	qty.
FLMG-34100AL-R1	3 Weeks	$493.00	3/4 NPT Aluminum 100 SCFM, single SPDT relay	qty.
FLMG-34100BR	3 Weeks	$368.00	3/4 NPT Brass 100 SCFM	qty.
FLMG-34100SS	3 Weeks	$723.00	3/4 NPT 304SS 100 SCFM	qty.
FLMG-34150AL		$276.00	3/4 NPT Aluminum 150 SCFM	qty.
FLMG-34150BR	3 Weeks	$368.00	3/4 NPT Brass 150 SCFM	qty.
FLMG-34150BR-MA		$808.00	3/4 NPT Brass 150 SCFM, 4 - 20 mA output	qty.
FLMG-34150SS	3 Weeks	$723.00	3/4 NPT 304SS 150 SCFM	qty.
FLMG-34260AL	3 Weeks	$276.00	3/4 NPT Aluminum 330 SCFM	qty.
FLMG-34260AL-HT		$414.00	3/4 NPT Aluminum 330 SCFM, high temperatures 204C (400F) max	qty.
FLMG-34260BR		$368.00	3/4 NPT Brass 330 SCFM	qty.
FLMG-34260SS	3 Weeks	$723.00	3/4 NPT 304SS 330 SCFM	qty.
FLMG-10050AL	3 Weeks	$276.00	1 NPT Aluminum 60 SCFM	qty.
FLMG-10050AL-MA		$751.00	1 NPT Aluminum 60 SCFM, 4 - 20 mA output	qty.
FLMG-10050BR	3 Weeks	$368.00	1 NPT Brass 60 SCFM	qty.
FLMG-10050SS	3 Weeks	$723.00	1 NPT 304SS 60 SCFM	qty.
FLMG-10100AL		$276.00	1 NPT Aluminum 100 SCFM	qty.
FLMG-10100AL-MA		$751.00	1 NPT Aluminum 100 SCFM, 4 - 20 mA output	qty.
FLMG-10100BR		$368.00	1 NPT Brass 100 SCFM	qty.
FLMG-10100BR-MA	3 Weeks	$808.00	1 NPT Brass 100 SCFM, 4 - 20 mA output	qty.
FLMG-10100BR-R1		$525.00	1 NPT Brass 100 SCFM, single SPDT relay	qty.
FLMG-10100SS	3 Weeks	$723.00	1 NPT 304SS 100 SCFM	qty.
FLMG-10100SS-MA	3 Weeks	$1,086.00	1 NPT 304SS 100 SCFM, 4 - 20 mA output	qty.
FLMG-10150AL	3 Weeks	$276.00	1 NPT Aluminum 150 SCFM	qty.
FLMG-10150AL-MA	3 Weeks	$751.00	1 NPT Aluminum 150 SCFM, 4 - 20 mA output	qty.
FLMG-10150BR		$368.00	1 NPT Brass 150 SCFM	qty.
FLMG-10150BR-HT		$523.00	1 NPT Brass 150 SCFM, high temperatures 204C (400F) max	qty.
FLMG-10150SS		$723.00	1 NPT 304SS 150 SCFM	qty.
FLMG-10260AL	1 Week	$276.00	1 NPT Aluminum 330 SCFM	qty.
FLMG-10260BR		$368.00	1 NPT Brass 330 SCFM	qty.
FLMG-10260SS	3 Weeks	$723.00	1 NPT 304SS 330 SCFM	qty.
FLMG-1140450AL		$712.00	1.25 NPT Aluminum 470 SCFM	qty.
FLMG-1140450AL-MA		$1,144.00	1.25 NPT Aluminum 470 SCFM, 4 - 20 mA output	qty.
FLMG-1140450BR	3 Weeks	$1,114.00	1.25 NPT Brass 470 SCFM	qty.
FLMG-1140450SS	3 Weeks	$1,410.00	1.25 NPT 304SS 470 SCFM	qty.
FLMG-1141000AL		$712.00	1.25 NPT Aluminum 900 SCFM	qty.
FLMG-1141000BR		$1,114.00	1.25 NPT Brass 900 SCFM	qty.
FLMG-1141000SS		$1,410.00	1.25 NPT 304SS 900 SCFM	qty.
FLMG-1120450AL		$712.00	1.5 NPT Aluminum 470 SCFM	qty.
FLMG-1120450AL-MA		$1,144.00	1.5 NPT Aluminum 470 SCFM, 4 - 20 mA output	qty.
FLMG-1120450BR		$1,114.00	1.5 NPT Brass 470 SCFM	qty.
FLMG-1120450SS		$1,410.00	1.5 NPT 304SS 470 SCFM	qty.
FLMG-1121000AL		$712.00	1.5 NPT Aluminum 900 SCFM	qty.
FLMG-1121000BR	3 Weeks	$1,114.00	1.5 NPT Brass 900 SCFM	qty.
FLMG-1121000SS	3 Weeks	$1,410.00	1.5 NPT 304SS 900 SCFM	qty.

† All dollar amounts on this site are shown in US currency.

Note: Minimum Flowrate = 10% of maximum

For operation up to 400°F, add suffix “-HT” to model number.
For operation up to 600°F, add suffix “-UHT” to model number.
For units with one 10A @220 Vac Form C relay, add suffix “-R1”
For two such relays, add suffix “-R2”.
For units with 4-20 mA output powered by 12-35 Vdc, add suffix “-MA”.
Consult Sales for additional costs.

For Bi-Directional Flow, add suffix "-BDF "to the part number. For units with a port size of ¼ to ½" add $65 to the price; for units with a port size of ¾ - 1" add $95 to the price, for units 1 ¼ " add $115 to the price.
"-BDF "option not available in combination with "-UHT","-R1", "-R2", or "-MA", or on models with 1 1/2" port size.

Only one option may be ordered with each unit.

Comes complete with operators manual.

(OPTIONS SHOWN IN THIS "NOTE" ABOVE ARE PRICED IN US$)
Ordering Example: (1) FLMG-10100BR-MA 1" brass air flowmeter, 10-100 SCFM, 4-20 mA output. = $808.00

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Keywords.:In-line Pneumatic Flowmeters, SPRING AND PISTON, air flow measurement, flowmeter, flow meter, flow measurement, spring and piston , variable area