ELGA Purelab flex 3 - 10 Technical Specifications

ELGA PURELAB flex 3/4 Operators Manual
PURELAB flex 3/4 MANU39265 Version 01 – 09/10 Page 15
10. TECHNICAL SPECIFICATIONS
FEEDWATER
Model
PURELAB flex 3
(Ultra Pure Water (Type I)
directly from tap water)
PURELAB flex 4
(
Ultra Pure Water (Type I) from
RO (Type III) feed water)
SOURCE
Potable tap water as detailed
below.
Purified water filtered to at
least 0.2µm as detailed below.
Conductivity < 2000PS/cm
1
Ionic Load
Recomme
nded Total Equivalent
Conductivity (TEC) <70PS/cm
2
CONTAMINANT
Hardness <350 ppm as CaCO
3
N/A
Free Chlorine <0.05 ppm CL
2
<0.05 ppm CL
2
Chloramine <0.02 ppm CL
2
<0.05 ppm CL
2
Total Chlorine <0.05 ppm CL
2
<0.05 ppm CL
2
Silica <30 ppm SiO
2
<2 ppm SiO
2
CO2 (Carbon Dioxide) <30 ppm (Recommended <20 ppm)
Fouling Index <10 <1
Iron/Manganese < 0.5 ppm Fe/Mn N/A
Organics (Total Organic Carbon
)
Recommended <2 ppm TOC Recommended <50 ppb TOC
Particulates
A 0.2 micron membrane pre filter is recommended for all non-
RO
feeds to extend point-of-use filter life.
TEMPERATURE 4 - 40ºC (Recommended 10 - 25ºC)
FLOWRATE (maximum
requirement at 15ºC)
Up to 75 L/hr Up to 60 L/hr
Drain Requirements >90 L/hr >70 L/hr
1
Purification Pack life may me low with feedwaters >1400 μS/cm
2
TEC (PS/cm) = Conductivity (PS/cm) + 2.3 X CO2 (ppm)
FEEDWATER PRESSURE
Minimum Inlet Pressure 2bar (30psi)
Maximum Inlet pressure 6bar (90psi)
Optimum Inlet Pressure 4bar (60psi)
CONNECTIONS
Point-Of-Use 1/4" BSP (Dispense Tip Removed)
Inlet 8mm (5/16) OD tube
Internal Reservoir Overflow 8mm (5/16) OD tube
Drain 8mm (5/16) OD tube
Internal Reservoir 8mm (5/16) OD tube