■Model：F21-STC Softener timer control valve
F21-FTC Filter timer control valve
F21-ITC Iron filter timer control valve
F21-SMM Softening flow instant control valves
F21-STM Softener meter delayed control valve
Controller specifications
|
Controller material |
Nonleaded brass |
|
Inlet/Outlet fittings |
1-1/2″NPTF |
|
Cycles |
5 steps |
Flow rate-valve only
|
Service@15PSI drop |
51gpm |
|
Peak Service@25PSI drop |
66gpm |
|
Peak Back wash@25PSI drop |
49gpm |
|
CV Service@1PSI drop |
13.2gpm |
|
CV Back wash@1PSI drop |
9．8gpm |
Regeneration
|
Countercurrent/downstream |
Both can be |
|
Adjustable time |
164 Minutes |
Meter
|
Accuracy |
±5% |
|
Capacity options |
Standard：10800Gallons/40m3
Expand：54000Gallons/200m3 |
|
Controller material |
Nonleaded brass |
Dimension
|
Distribution pilot |
2″O.D. |
|
Drain line |
1″NPTF |
|
Brine line |
11/16″-20UN |
|
Mounting base |
4″-8UN |
|
Height from top of tank |
6.5″/166mm |
Flow rate-system
|
16″*65″/4cf resin |
26gpm |
|
21″*62″/7cf resin |
26gpm |
|
24″*72″/10cf resin |
30gpm |
|
30″*72″15cf resin |
41gpm |
Other specifications
|
Supply Voltage/frequency |
AC120V，230V,24V-50、60Hz |
|
Max AV |
3W |
|
Estimated weight |
ITC/FTC/STC：8.9kg/19.7 Ibs SMM：11.4kg/25.2 Ibs |
|
Pressure |
Safe Pressure：300psi working pressure :20-120psi |
|
Temperature |
1°C -43°C |
Water treatment accessories
