VACUUM BREAKERS
Approximate Series VB8 Air Handling Capacities
The air handling capacity curves were plotted from calculations using the C
v
factors of the vacuum
breaker units. The C
v
factor is a flow coefficient determined by actual test which mathematically gives the
relationship between the rate of flow and the pressure drop. The flow formula used was recommended by
the Fluid Controls Institute.
INCHES HG VACUUM
NOTE: Capacities will vary slightly due to position of installation or kind of ball.
SCFM-AIR
SCFM-AIR
VB8-76
VB8-51
VB8-38
VB8-101
VB8-126
VB8-151
Vacuum Breakers - page 3
Dimensions are in inches and for reference only.
Certified drawings are available on request.
VACUUM BREAKERS
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