Operating Guide

Flow Rate – Gallons per Minute
4900 Series Selection Chart
4
9
0
0
S
i
z
e
s
1
1
⁄
2
"
1
1
⁄
4
"
1"
3
⁄
4
"
4.5 17.59132226.5 39.5 443531
V = 3.3 ft/sec
V = 5 ft/sec
V = Velocity
Velocity should be limited to 3.3 ft/sec when not installed at the optimum location. See No. 1 of instruction sheet.
Shaded area indicates
acceptable flow velocities.
101-107
Effective Date: December 1, 2004