Notes For VN Series 3000 to 9000 Sizing Information:
1.
Allowable continuous flow is flow at 15 psi max head
loss or 10 gpm/ft3 which ever is less.
2.
Allowable peak flow is flow at 25 psi max head loss
or 15 gpm/ft3 which ever is less.
3.
Backwash Flow Rate is 5 gpm/ft2, which provides
50 to 75% resin bed expansion.
4.
95% of calculated capacity at “Salt Applied”.
5.
Six-inch diaphragm valves require Humphrey pilot valves. |