3 and 4 Ports
| Function | Symbol | Description | Main Code | Flow (l/min) |
Pressure (bar) |
Cavity- Tooling |
-
3 ports 
Free Flow Side to Nose
Port 3 Blocked
CV-11A-21 60 350 11A-3 CV-2A-21 120 350 2A-3 CV-17A-21 240 350 17A-3 CV-19A-21 480 350 19A-3 -
3 ports 
Pilot-To-Open
CO-163A-X-Y-Z 30 350 163A-3 CO-11A-X-Y-Z 60 350 11A-3 CO-2A-X-Y-Z 120 350 2A-3 CO-17A-X-Y-Z 240 350 17A-3 CO-19A-X-Y-Z 480 350 19A-3 CO-20MS-3C 30 350 20MS-3 CO-18MS-X 30 420 18MS-3 -
3 ports 
Pilot-To-Open with external pilot port
sealed pilot and stem seal
CO-2A-3F 120 350 2A-3 CO-17A-3F 240 350 17A-3 CO-19A-3F 480 350 19A-3 -
3 ports 
Vented Pilot-to-Open
Atmospherically Referenced
CK-11A-3C 60 350 11A-3 CK-2A-3C 120 350 2A-3 CK-17A-3C 240 350 17A-3 CK-19A-3C 480 350 19A-3 -
4 ports 
Vented Pilot-to-Open
Check Valve
CK-21A-4C 60 350 21A-4 CK-22A-4C 120 350 22A-4 CK-23A-4C 240 350 23A-4 CK-24A-4C 480 350 24A-4 CK-21AS-40 60 350 21AS-4 -
3 ports ---2)).gif)
Pilot-to-Open
Fast Acting
Check Valve
CO-163A-X-Y-Z-2 30 350 163A-3 CO-11A-X-Y-Z-2 60 350 11A-3 CO-2A-X-Y-Z-2 120 350 2A-3 CO-17A-X-Y-Z-2 240 350 17A-3 CO-19A-X-Y-Z-2 480 350 19A-3
