An adaptable, efficient solution for treating your high sediment waters.

The Culligan® OFSY models offer a fully automated treatment process optimized to provide filtration of feed waters, particularly surface waters with suspended solids and high turbidity levels. The commercial models include a clarifier and filter in-series to provide eight different layers of filtering minerals to capture impurities. OFSYs come standard with Culligan®'s smart controller to automate most flow control operations. Our design allows for easy integration of different chemical feed systems for pretreatment operations (coagulation, flocculation, and chlorination, etc.)
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Culligan® OFSY Series Omni-Filtration Systems

Culligan® OFSY Series 20 Gallons Per Minute (gpm) Maximum Service Flow Rate Omni-Filtration System
Culligan® OFSY Series Omni-Filtration Systems

Culligan® OFSY Series 30 Gallons Per Minute (gpm) Maximum Service Flow Rate Omni-Filtration System
Culligan® OFSY Series Omni-Filtration Systems

Culligan® OFSY Series 40 Gallons Per Minute (gpm) Maximum Service Flow Rate Omni-Filtration System
Culligan® OFSY Series Omni-Filtration Systems

Culligan® OFSY Series 70 Gallons Per Minute (gpm) Maximum Service Flow Rate Omni-Filtration System
Culligan® OFSY Series Omni-Filtration Systems

Culligan® OFSY Series 100 Gallons Per Minute (gpm) Maximum Service Flow Rate Omni-Filtration System
Description N/A An adaptable, efficient solution for treating your high sediment waters.

The Culligan® OFSY models offer a fully automated treatment process optimized to provide filtration of feed waters, particularly surface waters with suspended solids and high turbidity levels. The commercial models include a clarifier and filter in-series to provide eight different layers of filtering minerals to capture impurities. OFSYs come standard with Culligan®'s smart controller to automate most flow control operations. Our design allows for easy integration of different chemical feed systems for pretreatment operations (coagulation, flocculation, and chlorination, etc.)
Brands N/A Culligan®
Inlet Pressure (Dynamic) N/A 30 to 100 psig207 to 690 kPa
Voltage1 N/A 120 V
Frequency N/A 50 Hz60 Hz
Feed Water Temperature N/A 40 to 120 ºF4 to 49 ºC
Maximum Service Flow Rate N/A 20 gpm4.5 m³/h N/A 30 gpm6.8 m³/h N/A 40 gpm9.1 m³/h N/A 70 gpm15.9 m³/h N/A 100 gpm22.7 m³/h
Pressure Drop at Maximum Service Flow Rate N/A 7 psi48 kPa N/A 9 psi62 kPa N/A 10 psi69 kPa N/A 11 psi76 kPa N/A 10 psi69 kPa
Backwash Flow N/A 30 gpm6.8 m³/h N/A 45 gpm10.2 m³/h N/A 70 gpm15.9 m³/h N/A 90 gpm20.5 m³/h N/A 136 gpm30.9 m³/h
Conditioning Rinse Flow N/A 15 gpm3.4 m³/h N/A 25 gpm5.7 m³/h N/A 25 gpm5.7 m³/h N/A 70 gpm15.9 m³/h N/A 70 gpm15.9 m³/h
Inlet/Outlet Port N/A 1.5 in. National Pipe Thread (NPT) N/A 1.5 in. National Pipe Thread (NPT) N/A 1.5 in. National Pipe Thread (NPT) N/A 2.5 in. National Pipe Thread (NPT) N/A 2.5 in. National Pipe Thread (NPT)
Tank Spacing (A) N/A 28 in711 mm N/A 32 in813 mm N/A 38 in965 mm N/A 44 in1118 mm N/A 52 in1321 mm
Width (B) N/A 63 in1600 mm N/A 67 in1702 mm N/A 73 in1854 mm N/A 88 in2235 mm N/A 96 in2438 mm
Depth (C) N/A 33 in838 mm N/A 37 in940 mm N/A 44 in1118 mm N/A 53 in1346 mm N/A 59 in1499 mm
Height (D) N/A 70 in1778 mm N/A 72 in1829 mm N/A 84 in2134 mm N/A 89 in2261 mm N/A 90 in2286 mm
Inlet Height (E) N/A 32 in813 mm N/A 32 in813 mm N/A 36 in914 mm N/A 40 in1016 mm N/A 40 in1016 mm
Outlet Height (F) N/A 24 in610 mm N/A 24 in610 mm N/A 28 in711 mm N/A 30 in762 mm N/A 30 in762 mm
Drain 1 Height (G) N/A 41 in1041 mm N/A 41 in1041 mm N/A 45 in1143 mm N/A 50 in1270 mm N/A 50 in1270 mm
Drain 2 Height (G) N/A 32 in813 mm N/A 32 in813 mm N/A 36 in914 mm N/A 40 in1016 mm N/A 40 in1016 mm
Markets Served N/A Clinics Educational Facilities Energy and Power Food Service/Restaurants Food/Beverage Production Grocery Healthcare/Hospitals/Bio-Pharmaceutical Hospitality/Lodging Manufacturing Municipal Drinking Water Oil and Gas
Examples of Filter Applications N/A
  • Pretreatment - For water softeners, reverse osmosis and deionization systems
  • Drinking Water - Turbidity reduction, chlorine reduction, improves taste and clarity
  • Boilers - Turbidity reduction, reduce sludge blowdown
  • Office Buildings - For heating plant pretreatment, tenant convenience, general housekeeping
  • Industrial Processes - Reduces particulate matter
  • Vehicle Wash - Turbidity reduction
  • Food and Beverage - Improved taste
Standard Features N/A
  • Culligan®'s Smart Controller - More control over your equipment with programming and monitoring capabilities typically found in more expensive PLC controls, a variety of add-on options for advanced instrumentation and communication let you easily customize the system to help meet your needs
  • Telemetric Capability
  • Differential Pressure Switch
  • Side-mounted, eight-valve harness, connects the clarifier and filter. Guided perimeter designed diaphragm valves operate smoothly, free of water hammer and are easily accessible for service work
  • Flow rates up to 100 gpm
  • Corrosion resistant tanks - Made of low carbon steel with epoxy interior lining and finish coat painted exterior
Optional Features and Accessories N/A
  • ASME Code Tanks
  • Stainless Steel Plumbing Harness
  • Chemical Feed Systems
  • Skid Mounted
  • System can be configured for both same source (factory-setting) and separate source backwash
  • Flow and turbidity measuring devices
  • Gauge Packages
  • Remote Display
  • RS232, RS485, Modbus PLC Output
Culligan® Commercial and Industrial Advantages N/A
  • Simple System Integration
  • Global Product Platform
  • Flexible Configurations
  • Quick Delivery/Easy Installation
  • Exclusive Culligan® Advanced Electronics
    • Historical Operating Data
    • Alarm Recognitions
    • US Standard and Metric Readings
    • Remote Monitoring Options
    • Telemetry Options
Additional Information N/A The OFSY Series is a part of the Culligan® Commercial and Industrial Solutions that combine durable and efficient equipment, systems experience, and technical expertise to meet your unique requirements. From planning your systems to installing your water treatment equipment, Culligan® Commercial and Industrial Solutions offer options that help deliver the quality of water to meet your needs. Consult with a Culligan® representative to create your solution.
Warranty N/A Culligan®’s OFSY models are backed by a limited 1-year warranty against defects in material, workmanship and corrosion. In addition, tanks carry a limited 5-year warranty. (Culligan® will provide a copy of the warranty upon request.)
Note N/A Please contact the Culligan® Commercial and Industrial Solutions team for quotes on larger tank sizes, skid-mounted systems and other customized designs.
  • 1 120 Volt/ 24 Volt CuL/UL listed transformer included.