In the Styles and Calibrations your Systems Require
The F-400N Series Variable Area Flowmeters have long been one 
of  Blue-White’s most popular lines. These flowmeters feature 
Superior Styling, Quality Materials of Construction and a Variety 
of Options.
F-400N Series flowmeters are machined of Highest Quality Acrylic 
that is polished to a crystal clear finish. Additional design features 
include: Corrosion and wear resistant internal parts, sturdy well 
built adapters and Viton* o-ring seals. Permanent scales are screen 
printed onto the meter body, directly in front of the float for easy 
reading. F-400N Series flowmeters now have a Permanently 
silk-screened white back reflector for enhanced readability. Flow 
calibrations range from 0.025 to 100 GPM (0.1 to 375 LPM), 
depending on model ordered. Air calibrations are also offered.
New Air Flow Ranges 

F-400 series (1/4", 3/8", and 1/2" pipe)
0.2 - 2.0 SCFM  /  .4 - 3.2 M3/HR
1 - 12 SCFM  /  2 - 20 M3/HR
2 - 20 SCFM  /  4 - 34 M3/HR
F-410 series (3/4" and 1" pipe)
5 - 75 SCFM  /  10 - 125 M3/HR
10 - 80 SCFM  /  20 - 140 M3/HR
HIGH/LOW LEVEL ALARM:  Many of the lower flow calibration 
F-400N meters, up to 20 GPM or 80 LPM, may be ordered with 
an optional High/Low Level Alarm.
Because of its Versatile Styling, Dependable Performance and 
Long Service Life, the F-400N Series is a very popular choice 
with OEMs. For special requirements please contact our helpful 
sales professionals.

 

PANEL MOUNT FLOWMETERS
The F-550 and F-550A Series flowmeters 
have flush mount body styling with removable
bulkhead nuts. Separate mounting screws are
not required.

Tough Machined Acrylic Meter Body
Stainless Steel Internal Parts
Permanent Screen Printed Scales
Calibrations in GPM, LPM and SCFM
Optional Integral Flow Adjustment Valve
Individual Packaging

R.O. and D.I. Water Systems
Pollution Treatment Equipment
Purging and Regulating Equipment
Chemical Processing
Water & Wastewater Treatment Equipment
Car Wash Systems
Film and X-ray Processing Equipment
Chemigation

 
COMPACT PANEL 
MOUNT FLOWMETERS 

Impact Resistant, Machined 
     Acrylic Body
#316 Stainless Steel Floats
Viton* O-ring Seals
Permanent Scales
Excellent Accuracy
A Wide Range of Calibrations
Individual Packaging

If your application requires special 
materials of  construction, custom 
calibrations, or private packaging
or labeling, please contact our 
Customer Service Department for 
quotation.

 
No one manufactures a Higher Quality, more 
Dependable Flowmeter for the Commercial 
Pool, Spa and Water Features Market. Period.

A Tough Impact Resistant, Machined 
     Acrylic Meter Body
Permanent, Easy-to-Read Screen Printed
     Scales
Calibrated Pitot Tube for Accuracy
Units for One through Eight Inch Pipe
     or Copper Tubing
Low Flow Rate Units for Spas and Small 
     Pools
Vertical Mount (D&U Series) for Cramped 
      Installations

 
sales@mullarkeyassoc.com
12346 S. Keeler Avenue
Alsip, IL USA 60803
PHONE: 708/597-5555
                FAX:    708/597-5567

 
For Technical Information, including installation and parts 
drawings and, engineering data, visit www.blue-white.com
*Viton is a registered trademark of DuPont Dow Elastomers.