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Model 2635S2-DW11

The AQUA SOLUTIONS' Model 2635S2-DW11 is also available in a Dual module version: Model 2635S2-DW. Ultimately, dual-module systems cost less to operate.

It is also available with an RO tank: Model 2635S2-DW11-RO.

AQUA SOLUTIONS' Type II DI lab water purification systems are designed from the ground up to be user-installable and user-serviceable!

This dual tank 20-LPM Type II DI System with 42-Liter pressurized storage tank is designed for applications that require up to 160-Liters of Type II/III DI water/day at a flow rate of up to 20-LPM, when fed RO pretreated water containing up to 340 PPM of total dissolved solids

The system includes one installed plus one spare 7" (178mm) diameter by 20" (508mm) tall DI tanks, an activated carbon prefilter assembly with a pressure regulator and gauge, a purity monitor light, and a 42-Liter pressurized DI storage tank.

More Information

All AQUA SOLUTIONS' Type II Systems produce purified water that exceeds ASTM, CAP and CLSI specifications for Type II reagent grade water.

Features and Benefits

  • The system includes two installed plus one spare DI module
  • Made in the USA.
  • The sensor displays a Green LED when water quality is >2-megohm-cm and a Red LED flashes when it’s time to change DI Modules.
  • Ion Exchange Capacity is 12,000 Grains.
  • One (1) year warranty.
  • You purchase and own the system hardware at a reasonable cost.
  • The system is so easy to install, you can do it yourself.
  • You can install the spare DI tank yourself, whenever you need it - even on weekends!
  • If the DI tank exhausts in the middle of an experiment, or during a weekend, you can install the spare tank.
  • See for yourself - compare the total cost of our Type II/III DI systems with the competition.

Pure Water Specifications

Resistivity 25°C: >2-Megohm-cm at 25°C
Conductivity >0.500 MicroSeimens/cm at 25°C
Pure Water Grade Type II
Flow Rate Details 6-LPM from DI modules and 40-LPM from storage tank
Storage Capacity DI, 42-Liters

Feed Water

Feed Water Quality Tap water or RO water
Water Connection User supplied 1/4" or 3/8" NPTF valve (3/8" Tube X 1/4" NPTM & 3/8'" Tube X 3/8" NPTM fittings included with system)
Inlet Connection 3/8" Tube fitting (20 ft.of 3/8" of tubing supplied with system)

Features and Benefits

Purification DI Modules The system includes two installed plus one spare
Country of Origin Made in the USA
Purity Sensor The sensor displays a Green LED when water quality is >2-megohm-cm and a Red LED flashes when it’s time to change DI Modules.
Ion Exchange Capacity 12,000 Grains
Warranty 1 Year
GSA This item is on our GSA Contract # GS-07F-5799R
No monthly rental charges You purchase and own the system hardware at a reasonable cost.
No installation charges The system is so easy to install, you can do it yourself.
No service charges You can install the spare DI tank yourself, whenever you need it - even on weekends!
It puts you in control If the DI tank exhausts in the middle of an experiment, or during a weekend, you can install the spare tank.
Competitively priced See for yourself - compare the total cost of our Type II/III DI systems with the competition.

Optional Upgrades

2700N Remote Dispenser kit - non-recirculating type - with 0.1 micron final filter capsule
2700N-NFC Remote Dispenser kit - non-recirculating type - no final filter capsule
2701-DISP DI Spray gun 1/4" NPTF inlet and spray pattern outlet 1-GPM
2701-DISP-6 DI Spray gun 3/8" NPTF inlet and spray pattern outlet 1-GPM
2635DI 7" x 37", 6000 Grain, 1/2 ft³ Type 2 DI module for expansion or replacement
CH1004-PF 10" Pre-filter assembly with 5-Micron sediment filter
DC2002 1 inch 0.1-Micron (absolute) Final Filter Capsule
DC2004 2 inch 0.1-Micron (absolute) Final Filter Capsule
DC2022 High flow 0.22-Micron (absolute) Filter Capsule
UV2006S UV Sterilizer - Prevents the growth of microorganisms within the system.
UF2000 Ultrafilter - Removes Pyrogen, Endotoxin, RNase, & DNase
ROT-200TU-130 Tank upgrade: Increases storage capacity from 130 to 200 Liters
ROT-200TU-042 Tank upgrade: Increases storage capacity from 42 to 200 Liters
ROT-200 200-Liter presurized storage tank with valve assembly

System Specifications

DI Modules Includes two installed plus one spare 2635DI Type II Purifification Modules - 7" x 37", 6000 Grain, 1/2 ft³
Input Power Requires a 110V outlet within 5 ft. of the purity sensor.
Minimum Inlet Pressure 25 PSI (1.7 bar)
Maximum Inlet Pressure 110 PSI (6.6 bar)
Total Shipping Weight 169 lbs (76 kg)
DI Module Dimensions Diameter 7" (178mm) Height 37" (940mm)

Consumables

2618DIR Type 2 Resin Refill for 2618DI Module (Exchange)
CC1050 10" 1-Micron Activated Carbon Prefilter
CN1050MP 10" 5-Micron Sediment Pre-Filter - For use with optional CH1004-PF