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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 (maximum)
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)
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) *
15psi to 100psi (1.03 bar to 6.9 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
OF1354-30TM
Dry Weight
75 lbs.
Service Weight
397 lbs. 180 kgs. 442 lbs. 201 kgs. 521 lbs. 236 kgs.
Dimensions
A - 13
Connections
MODEL
OF1354-30TM
2" PVC FNPT
OF1465-50TM*
2" PVC FNPT
OF1665-75TM*
2" 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
OF1354RM
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
OF1354-30TM
20
OF1465-50TM
40
OF1665-75TM
45
Intermittent Duty Systems
MODEL
®
OF1354-30TM
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
OF1354-30TM
OF1465-50TM
OF1665-75TM
*** Exceeding maximum flow can reduce effectiveness and void warranty.
Pressure drop at peak flow rate is less than 22psi.
Pressure drop reading taken with inlet and outlet gauges installed at a
common elevation and 80ºF feed water.
3
.
®
OF1465-50TM
OF1665-75TM
34 kgs.
98 lbs.
44 kgs.
120 lbs.
B - 57.7
A - 14
B - 68.8
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
54 kgs.
B - 68.8
65°F
70°F
30
30
50
50
69
75
LPM
114
189
284
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