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Equipment
Specifications
OneFlow
systems are complete, self-
®
contained, loaded with media, and ready to
use. A simple inlet and outlet connection is all
that is required for installation. Please review
operating pressures, temperatures and water
chemistry limitations to ensure compatibility.
Feed Water Chemistry Requirements
pH
Hardness (maximum)
Water Pressure
Temperature
Free Chlorine
Iron (maximum)
Manganese (maximum)
Copper
Oil & H2S
Total Phosphates
Silica (maximum)
TDS
NOTICE
* Systems using OneFlow
®
controlling lime-scale formation inside the plumbing system
at influent hardness levels up to 75 grains per gallon (1282
mg/l) CaCO3 of calcium carbonate. Due to variances in water
chemistry, 30 grains per gallon is a recommended hardness
maximum due to potential aesthetic issues related to soft
scale residue formation outside of the plumbing system.
Testing should be performed to determine proper application
where hardness levels exceed 30 grains per gallon.
** Just as with conventional water softening media, OneFlow
media needs to be protected from excess levels of certain
metals that can easily coat the active surface, reducing its
effectiveness over time. Public water supplies rarely, if ever,
present a problem, but if the water supply is from a private
well, confirm that the levels of iron (Fe) and manganese (Mn)
are less than 0.3 mg/L and 0.05 mg/L, respectively.
WARNING
!
*** Pursuant to the EPA drinking water standards, the copper
concentration permitted is up to 1.3 ppm. Typically
originating from new copper plumbing, high levels of
copper can foul OneFlow media. New Copper lines need
to be passivated for a minimum of 4 weeks before placing
unit into service. For applications with copper concentration
greater than 1.3 ppm, please consult Watts Water Quality
Technical Service. To further minimize any problem with
excess copper, avoid applying excessive flux on the inner
surfaces of the pipe and use a low-corrosivity water soluble
flux listed under the ASTM B813 standard.
B
A
6.5-8.5
30 grains (513 ppm CaCO3) *
15 psi to 90 psi (1.03 bar to 6.2 bar)
40° F to 100° F (5°C to 38°C)
<2 ppm
0.3 ppm **
0.05 ppm **
1.3 ppm***
Must be Removed Prior to OneFlow
< 3.0 ppm
20 ppm †
1500 mg/l ††
technology are effective at
NOTICE
† OneFlow
media does not reduce silica scaling. While silica
®
tends to have a less significant effect on scale formation than
other minerals, it can act as a binder that makes water spots
and scale residue outside the plumbing system difficult to
remove. This 20 ppm limitation is for aesthetic purposes.
†† All other contaminants must meet the requirements of the
USEPA Safe Drinking Water Act. Specific Mineral and Metal
MCL's, identified in Watts published Feed Water Chemistry
Requirements, supersedes the USEPA SDWA.
Water known to have heavy loads of dirt and debris may require
pre-filtration prior to OneFlow
Weights and Dimensions (nominal - inches)
MODEL
OF1260-30TM
Dry Weight
72 lbs.
Service Weight
394 lbs. 179 kgs. 423 lbs. 192 kgs. 515 lbs. 234 kgs.
Dimensions
A - 12
Connections
MODEL
OF1260-30TM
1-1/4" (32mm) PVC FNPT
OF1465-50TM*
2" (50 mm) PVC FNPT
OF1665-75TM*
2" (50 mm) PVC FNPT
NOTICE
*For models OF1465-50TM and OF1665-75TM, Two 2" MNPT Flex
Connectors are included and required for each tank installation
Replacement Media
MODEL
OF1260RM
Media should be replaced every 3 years
OF1465RM
Media should be replaced every 3 years
OF1665RM
Media should be replaced every 3 years
Maximum Service Flow (gpm) vs.
Water Temperature
SYSTEM
40°F
OF1260-30TM
20
OF1465-50TM
40
OF1665-75TM
45
Intermittent Duty Systems
MODEL
®
OF1260-30TM
OF1465-50TM
OF1665-75TM
Intermittent duty is defined as less than 2 hours of Maximum
Flow per 24 hour period. Higher Flow rates can be achieved by
combining systems in an array.
Maximum Flow Rate ***
MODELS
OF1260-30TM
OF1465-50TM
OF1665-75TM
*** Exceeding maximum flow can reduce effectiveness and void warranty.
Pressure drop at peak flow rate is less than 18psi.
Pressure drop reading taken with inlet and outlet gauges installed at a
common elevation and 80 degree feed water.
3
.
®
OF1465-50TM
OF1665-75TM
33 kgs.
89 lbs.
40 kgs.
110 lbs.
B - 63.7
A - 14
B - 73.1
A - 16
INLET/OUTLET CONNECTION
REPLACEMENT FREQUENCY
45°F
50°F
55°F
60°F
24
28
30
30
44
48
50
50
51
56
59
63
FLOW RATE
30 GPM at all temperatures
50 GPM at all temperatures
75 GPM at all temperatures
GPM
30
50
75
50 kgs.
B - 73.1
65°F
70°F
30
30
50
50
69
75
LPM
144
189
284
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