The Yale CDF-9 is the standard rubber dust cap for Yale 700 bar hydraulic coupler halves. Yale specifies the CDF-9 as fitting both female and male coupler halves, and supplies it as standard with all female coupler halves (CFY-1, CFY-2, CFY-18, CFY-10-S).
Rubber dust cap for Yale 700 bar coupler halves
Yale documents the CDF-9 as the universal dust cap for the Yale 700 bar coupler standard. The cap protects disconnected coupler faces from dirt and contamination. Yale notes: standard with all female coupler halves.
Suitable Applications
Per Yale: protecting disconnected coupler faces during transport, storage and site use. Compatible with both female (CFY) and male (CMY) Yale 700 bar coupler halves.
Every part of the circuit carries a pressure rating, and the system is limited by its lowest-rated component — check these against the pump and cylinder in use.
Key Features
- Fits Female and Male Coupler Halves: Yale's universal dust cap.
- Rubber Construction: Yale-specified material.
- Standard with All Yale Female Couplers: supplied with every CFY half.
Technical Specifications
| Material |
Rubber |
| Fits |
Yale CFY and CMY coupler halves |
| Yale Art-No |
N14200396 |
Frequently Asked Questions
Q: Is the dust cap supplied with the coupler?
Yale specifies the CDF-9 as standard with all female coupler halves. Order separately if additional caps are needed for male couplers or replacements.