CI Valves
Features
- CI Control Valves Produced by Clack Corporation
- Reliable, robust and versatile for a range of water treatment solutions
- Available in 1", 1.25", 1.5" and 2" to suit a range of flow rates
- Fully programmable with a range of operation modes available

Information
The Clack CI Control Valve is a robust and reliable valve created with the water treatment professional in mind. Supplied as 1″, 1.25″, 1.5″ and 2″ sized valves, the CI can be used for single vessel systems, duplex systems including MAV (motorised access valve) and NHBP (No Hardness Bypass Valve) configurations.
The CI Control Valve boasts a whole host of features, including:
A range of sizes suitable for all applications from domestic cabinet softeners, up to industrial systems.
Solid State Microprocessor with Easy Access Front Panel Settings
Front Panel Display for Time of Day, Days Until Regeneration, Volume Remaining and Current Flow Rate
Four Modes of Operation; Meter Immediate, Meter Delayed, Time Clocke Delayed and Pressure Differential
Programmable in PPM, French Degrees, German Degrees or Cubic Meters
Fully Programmable Regeneration Cycle Sequence (up to a maximum of 9).
Programmable Regeneration Cycle Times
Treated Water Regenerant Refill
Low Salt Alarm
Datasheet
Specifications
Specifications | ||||
Valve | WS1CI | WS125CI | WS15CI | WS2CI |
Inlet/Outlet Fittings | 1" | 1.25" | 1.5" | 2" |
Valve Materials | Noryl | Noryl | Brass | Brass |
Service Flow Rate (@ 15 psi/1 bar drop) lpm | 102 | 129 | 227 | 435 |
Backwash Flow Rate (@ 25 psi/ 1.7 bar drop) | 102 | 121 | 189 | 303 |
Cycles | Up to 9 | |||
Regeneration | Downflow / Upflow | Downflow | Downflow | Downflow |
Operating Pressure (bars) | 1.4 - 8.6 | |||
Operating Temperature | 4 - 43oC | |||
Cycles of Operation | ||||
1. Backwash | 1 - 120 min. | |||
2. Rinse | 1 - 120 min. | |||
3. Brine | 1 - 180 min. | |||
4. Regenerant Refill | 0.05 - 95kg | |||
5. Service | 1 - 480 min. | |||
Compatible with | ||||
Sodium Chloride, Potassium Chloride, Potassium Permanganate, Sodium Bisulfite, Chlorine and Cloramines |
Applications
Clack CI Valves are Suitable for
- Domestic Cabinet Softeners
- Commercial Applications
- Industrial Water Treatment Requirements
- Water Softeners & Problem Water Treatment