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Design Parameters
| Configuration | Single Pass |
| Inlet Pressure Minimum / Maximum (PSI) | 45 / 85 |
| Design Feedwater Temperature (°F / °C) | 77 / 25 |
| Feedwater Source** | Product Flow rate for each model based on a nominal TDS of 7,000 ppm |
| Nominal Pre – Filtration Requirements | 5 Micron Nominal |
| Feedwater Silt Density Index (SDI) | < 3 |
| Nominal Membrane Salt Rejection (%) | 99.8 |
| Nominal System Recovery (%) | 58 – 73 |
**Treatment ability of the reverse osmosis system is dependent on feedwater quality. Performance projections must be run for each installation.
| Feedwater Requirements*** | |
|---|---|
| Maximum SDI Rating | < 3 |
| Maximum Turbidity | 1 NTU |
| Maximum Free Chlorine and/or Chloramines | 0 ppm |
| pH (Continuous) | 2 – 11 |
| pH (Cleaning for 30 minutes) | 1 – 13 |
| Environment Parameters | |
| Min Ambient Temperature °F (°C) | 40 (4.4) |
| Max Ambient Temperature °F (°C) | 120 (48.9) |
| Operating Parameters*** | |
| Feed Temperature °F (°C) | 50 to 85 (10 to 30) |
| System Inlet Pressure (PSI) | 45 to 85 |
| Maximum Operating Pressure (PSI) | 400 |
| Regulations and Standards | |
| Frame Welding | Plant standard |
| Seismic Rating | None |
| Piping | Unit is fully tested for normal operation and conditions |
***If any of the feedwater parameters are not within the limits given, consult Application Engineering for assistance.
SPECIFICATIONS
| System Production Flow Rate Specifications (GPM) | |
|---|---|
| Model Number | X2–3280 |
| Feed (Maximum) | 70 |
| Permeate (Maximum) | 30 |
| Concentrate (Minimum) | 16 |
| Unit Configuration Specifications | |
| Model Number | X2–3280 |
| Vessel Array | 1:1:1 |
| Vessel Quantity | 3 |
| Membrane Quantity | 6 |
| Model Number | X2–3280 |
| Frame | |
| Materials | 304 Stainless Steel |
| Paint | N/A |
| Color | N/A |
| Pump | |
| Manufacturer | Grundfos |
| Model | CRN15-17 A-FGJ-G-E-HQQE |
| Materials | 316 Stainless Steel |
| Connection Type | 2” Flange |
| Pump Motor | |
| Manufacturer | Grundfos |
| Type | TEFC |
| RPM@60Hz | 2900 |
| Power (Hp) | 20 |
| Rated Voltage | 380-415D / 660-690Y VAC |
| FLA | 28-26 / 16.2-15.6 |
| Phase/Hz | 3/50 |
| Membranes | |
| Manufacturer | FILMTEC |
| Model | HRLE–440 |
| Materials | Polyamide Composite |
| Pressure Vessels | |
| Supplier | Protec Arisawa |
| Model | PRO–8–450–SP–USA |
| Materials | Fiberglass |
| Rating | 450 PSI Non–ASME Code Stamped |
| Permeate Connection | 1–1/2 Sanitary |
| Concentrate Connection | 1–1/2″ and 2” Victaulic |
| Piping Systems | |
| Feed | Schedule 80 PVC |
| High Pressure | Schedule 40 SS |
| Permeate | Sanitary 316L SS |
| Prefilter Housings | |
| Manufacturer | Shelco |
| Model | 4FOS3 |
| Size | 4X (2.5” X 30”) |
| Material | 316 SS |
| Prefilter | |
| Manufacturer | AXEON |
| Model | SDF–25–3005 |
| Media | Polypropylene Fibers |
| Micron Rating | 5 |
| Automatic Process Valves | |
| Feed Valve | AXEON |
| Manual Valves | |
| Concentrate Throttling | 1″ Globe Valve 316SS |
| Pump Throttling | N/A |
| Pressure | |
| Pump Pressure Gauge | 2–1/2″, Liquid Filled, SS Case with Brass Wetted Parts, 0–600 PSI |
| Concentrate Pressure Gauge | 2–1/2″, Liquid Filled, SS Case with Brass Wetted Parts, 0–600 PSI |
| Filter Inlet Gauge | 2–1/2″, Liquid Filled, SS Case with Brass Wetted Parts, 0–100 PSI |
| Filter Outlet Gauge | 2–1/2″, Liquid Filled, SS Case with Brass Wetted Parts, 0–100 PSI |
| Low Feed Pressure Switch | 15 PSI, 1/4″ FNPT |
| High Feed Pressure Switch | 300–1200 PSI, 1/4″ FNPT |
| Flow | |
| Permeate Flow Indicator | 4 -100 GPM Digital, Flow Meter, Construction, 1.5″ Sanitary Connections |
| Concentrate Flow Indicator | 4 – 40 GPM Digital, Flow Meter, Acrylic Construction, 1.5″ MNPT Connections |
Skid Process Connection Specifications
| Feed Inlet | 2″ FNPT |
| Permeate Outlet | 1–1/2″ Sanitary |
| Concentrate Outlet | 1–1/2″ FNPT |
| CIP Connections | 1–1/2″ FNPT |
| Chemical Feed Port | 1/2” NPT |
Skid Physical Dimensions Specifications1
| Depth (in) | 35 |
| Width (in) | 112 |
| Height (in) | 74 |
| Shipping Weight (lbs) | 2800 |
1 Does not include operating space requirements.
Skid Process Connection Specifications
| Feed Inlet | 2″ FNPT |
| Permeate Outlet | 1.5”” Sanitary |
| Concentrate Outlet | 1–1/2″ FNPT |
| CIP Connections | 1.5″ FNPT |
| Chemical Feed Port | 1/2” NPT |
Skid Physical Dimensions Specifications1
| Depth (in) | 41 |
| Width (in) | 194 |
| Height (in) | 78 |
| Shipping Weight (lbs) | 4150 |
1 Does not include operating space requirements.
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