Flow Meters
swtwater.com ULTRASONIC INLINE FLOW METERS





Brackish Water, River Intake, and Seawater Intrusion Systems
 
 
Ultrasonic Inline Flow Meters
Ultrasonic Inline Flow Meters are engineered to elevate water treatment and usage measurement. The ultrasonic inline flow meter module operates as a pulse generating device with corresponding K Factor for accurate flow measurement when connected to commonly used industry controls. Made in USA.

 

Features
• Stainless steel construction ensures durability & reliability even in the most demanding environments
• Familiar pulse output mode operation allows meter to be applied to wide variety of control devices
• Meter module can be updated or serviced without removing meter body from plumbing
• Passivated surfaces and materials resist scaling
• Highly visible LED flow indicator
• Male threaded inlet adapter for direct mating to treatment control valve
• Boss provided on outlet for drilling/tapping 1/4 inch sample port
 
 
Operating Range
 Part Number Pipe Size Thread Type**
Low Flow Threshold
Typical Flow 0.1 ft/sec to 10ft/sec
Max Flow 16ft/sec
K Factor Pulses/ Gal

QA-FM100

1.0
NPT

0.12 gpm (0.45 lpm)

0.3 to 24.5 gpm
(1.1 to 9.3 lpm)
39 gpm
(147 lpm)
40 (10.57/ Liter)
QA-FM150 1.5
NPT
0.25 gpm (0.95 lpm)
0.6 to 55.1 gpm
(2.3 to 209 lpm)
88 gpm
(333 lpm)
30 (7.93/ Liter)
QA-FM200 2.0
NPT
0.45 gpm (1.7 lpm)
1.0 to 98.0 gpm
(3.8 to 371 lpm)
156 gpm
(590 lpm)
20 (5.28/ Liter)
QA-FM300 3.0
NPT
1.4 gpm (5.3 lpm)
2.2 to 220.5 gpm
(10.6 to 835 lpm)
353 gpm
(1336 lpm)
10 (2.64/ Liter
** Available with BSP thread. Add 'BSP' to end of part number. Example: QA-FM100BSP. 

 

 
 
Dimensions
ProActive 12 x 40 SuperCat Coconut Shell Carbon (P/N IT50002SC) 
				Pressure Graph

 

Part Number Overall Length
(Dim A)
Overall Height
(Dim B)
Hex Width Flat to Flat
(Dim C)
Weight
QA-FM100 5.6 inches 2.5 inches 1.6 inches 1.7 lbs
QA-FM150 5.6 inches 3.0 inches 2.1 inches 2.0 lbs
QA-FM200 5.6 inches 3.5 inches 2.6 inches 2.4 lbs
QA-FM300 6.9 inches 4.5 inches 3.8 inches 4.2 lbs

 

 
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Safe Water Technologies, Inc.
996 Bluff City Boulevard
Elgin, IL 60120 USA
 
Telephone: +1.847.888.6900
Facsimile: +1.847.888.6924
E-mail: info@swtwater.com
https://www.swtwater.com

Last Updated: January 24, 2025