2025 Nelsen Corporation Catalog - Catalog - Page 184
SYSTEM FEATURES & OPTIONS
System Features Include:
Optional NRO Series Upgrades:
• Carbon Steel Frame for strength & rigidity
• Powder Coated Frame for long life & durability
• Extended Frame Legs with plastic end caps for protection from
ground contact and ease of movement
• AXEON® XE1 Membrane Elements - offer enhanced performance by operating at a low applied pressure of 100 psi
• High Quality Gloss 300 psi FRP Housings - Optional stainless
steel housings available
• High Pressure Multi-Stage Centrifugal Pump
for lasting performance
• Replaceable Motor Mounting System - makes field repairs easy,
bracket mounts to motor and slides over frame
• True Union Couplings on inlet & outlet of motor
No plumbing disassembly required for change out
• Stainless Braided Hoses for protection against corrosion,
leaks & fraying
• Replaceable Schedule 80 pvc fittings for ease of field repairs
• Quick Connect Fittings on gauges & recycle operation for
ease of service
• Brass or Stainless Steel inlet shut off valve
• Integrated Recycle Valve
• Low Pressure Mechanical Switch w/time delay snubber valve
• Permeate & Concentrate Flow Meters
• Liquid Filled Gauges for accurate & steady pressure readings
• Panel Mounted Concentrate Pressure Gauge
• High Pressure Multi-Stage Centrifugal Pump
for lasting performance
• Pump Throttle Valve & pipe mounted discharge pressure gauge
• Float Switch & Pretreatment Interlocks - standard on all systems
• High Flow 5 Micron front mounted prefilter for ease of service
• Digital Display Electronic Control Box with permeate TDS
display, low pressure auto reset
• Private Labeling Available
• Custom Photo Quality
Controller Graphics available
(min order quantity required)
• Upgrade Control Box
for interval fast flush
• Upgrade Control Box
for permeate flush
• Custom Operational Programs
at no cost
• Second TDS Function
for feed water
• Additional Panel Mounted
Gauges - customer specified
• Pre & Post Filter Gauges
• Manual Auto Flush Valve
• Inter-stage Gauges
• Bladder Tank Control available
to provide pressurized storage
• Wall Mount Frame
Nelsen Corporation has many years of technical
experience and service expertise ready to help optimize
the performance of your system or build a system to
your specific needs!
Nelsen Commercial Reverse Osmosis System Specifications
Model:
NRO-F-1440F-2500-3
Production GPD ***
2500
Membrane
4 X 40 (1)
Permeate GPM
1.73
Feed GPM **
6.0
% Recovery w/
19%-30%
Recycle
Pump
1 HP
FLA 60HZ 1Ø 220
19.2/9.6
Circuit Size
15A
Inlet
3/4"
Permeate
1/2"
Concentrate
1/2"
34"x34½"x58½"
Shipping Dims
Weight - Pounds
124 lbs.
Max Operating Pressure
160 psi
7 - 22
NRO-F-2440F-5000-3
5000
4 X 40 (2)
3.47
7.0
NRO-F-3440F-7500-3 NRO-F-4440F-10000-3 NRO-F-5440F-12500-2 NRO-F-6440F-15000-2 NRO-F-8440F-20000-2
7500
10000
12500
15,000
20,000
4 X 40 (3)
4 X 40 (4)
4 X 40 (5)
4 X 40 (6)
4 X 40 (8)
5.2
6.94
8.68
10.4
13.8
10.0
12.0
17.0
20.0
25.0
50%-75%
50%-75%
50%-75%
50%-75%
50%-75%
50%-75%
1 HP
19.2/9.6
15A
3/4"
1/2"
1/2"
34"x34½"x58½"
149 lbs.
160 psi
1.5 HP
*/12
15A
3/4"
1"
1"
34"x34½"x58½"
158 lbs.
160 psi
1.5 HP
*/12
15A
3/4"
1"
1"
34"x34½"x58½"
169 lbs.
160 psi
3 HP
*/15
20A
1" Big Blue®
1"
1"
34"x34½"x58½"
211 lbs.
160 psi
3 HP
*/15
20A
1" Big Blue®
1"
1"
34"x34½"x58½"
224 lbs.
160 psi
3 HP
*/15
20A
1" Big Blue®
1"
1"
34"x34½"x58½"
248 lbs.
160 psi
© Nelsen Corporation
* 110 Volt Not Available ** Minimum pressure of 35psi dynamic
*** The stated product performance is based on data taken after 30 minutes of operation at the
following test conditions: 2,000 mg/L NaCl solution at 150 psig ( 1.5 MPa) applied pressure, 15%
recovery, 77o F (25o C), pH 6.5–7.0
