Flyer
Technical information subject to change without notice.
9440 428 v1.0 08/12 Printed in Canada
Viessmann Manufacturing
Company Inc.
Waterloo, ON Canada
1-800-387-7373
www.viessmann.ca
Viessmann Manufacturing
Company (U.S.) Inc.
Warwick, RI U.S.A.
1-800-288-0667
www.viessmann.us
®
®
V40 Flowmeter Technical Data
Flow rate
1 400
0.5 200
0.1 40
0.05 30
0.01
4
0.1
0.44
0.5
V40-15
2.2
1
V40-25
4.4
3
13.2
5 m³/h
22 usgpm
0.3
V40-06
1.3
Pressure loss " w.c.
Pressure loss in bar
Flowmeter Pressure Loss Curve
Flowmeter Sizing
Three Flowmeter Kit sizes available; fl owmeter must be sized to
match fl ow rate of system.
Flowmeter Model
V40-06 V40-15 V40-25
Minimum fl ow rate
0.1
usgpm
0.3
usgpm
0.5
usgpm
Maximum practical
fl ow rate
recommended
2.4
usgpm
5.3
usgpm
9.7
usgpm
Maximum number
of Vitosol Flat Plate
Solar Collectors
61424
Maximum number
of Vitosol Vacuum
Tube Solar Collectors
90 180 360
Pressure loss at
maximum
recommended
fl ow rate
80“
w.c.
80“
w.c.
80“
w.c.
V40 Flowmeter Kit




