SYSTEM PERFORMANCE
15
Rev C
Flow Information for Standard Installations
For typical single faucet under-the-sink Merlin installations using only the
components shipped in the box, the following flow rates can be expected.
This information assumes 4 feet of 3/8-inch permeate tubing, 2 feet
elevation difference, use of the faucet as shipped, and no additional
obstructions or pressure drop. Data shown is based on water containing
750 ppm NaCl.
Table 2 - Merlin System Flow Rates, gpm, based on
750 ppm NaCl Inlet Water
a
Typical Single Faucet Installation
Flowing Inlet Pressure psi [bar]
Temperature
°
F [
°
C]
80
[5.5]
75
[5.2]
70
[4.8]
65
[4.5]
60
[4.1]
55
[3.8]
50
[3.4]
45
[3.1]
40
[2.8]
80 [27]
0.77
0.73
0.68
0.64
0.59
0.55
0.50
0.45
0.40
70 [21]
0.72
0.68
0.63
0.59
0.55
0.50
0.46
0.41
0.36
60 [16]
0.65
0.61
0.57
0.53
0.49
0.45
0.40
0.36
0.31
50 [10]
0.57
0.53
0.49
0.45
0.42
0.38
0.34
0.30
0.26
a. To adjust data to actual conditions, multiply measured TDS by -0.0002 and add 0.15.
Add answer to Table data to achieve actual flow rate. Estimated flow change from 750
ppm NaCl = -.0002 X measured TDS + 0.15
NOTE:
Actual system performance may vary because of
manufacturing tolerances and installation factors.
