Installer Manual Fleck 5800 - SXT - System sizing
Ref. MKT-IM-004 / A - 18.04.2017 25 / 92
4. System sizing
4.1. Recommendations
4.1.1. Injector/DLFC/BLFC-Valve configuration
Note
In upflow configuration, it is highly recommended to set the injector cap with a pressure
regulator set to 1.4 or 2 bar.
4.2. Sizing a softener (single unit)
4.2.1. Parameters to be considered
Whenever installing a softener, it is preferable to have full water analysis to ensure the inlet water
content will not affect the resin bed.
Note
Please consult your resin manufacturer specifications to ensure that no additional
pretreatment prior to softening is required.
The below sizing method can be applied for both residential and industrial softeners.
The sizing of a softener must be based upon certain parameters:
• Inlet water hardness;
• Peak flow rate and nominal flow rate;
•Service velocity;
•Salt dosage.
Valve
type
Tank
diameter
Resin
volume
Injector DLFC BLFC
[in] L DF Color UF Color [gpm] DF [gpm] UF [gpm]
5800/
1650
4 4
0 Red
0000 Black 0.8
0.125
0.125
6 5 - 7
000 Brown 1.2
7 8 - 14
8 9 - 21
1 White
00 Violet
1.5
0.259 22 - 28 2
10 29 - 42 0 Red 2.4
0.2512 43 - 56
2 Blue 1 White
3.5
0.50
13 57 - 70 4
14 71- 85
3 Yellow 2 Blue
5
0.50
16 86 - 113 7
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