The Yale YFS Flat range provides extremely low-profile hydraulic cylinders with strokes of 11 to 15 mm for applications where vertical clearance is the absolute limiting factor. Capacities span 10 to 100 tonnes at 700 bar operating pressure. The cylinders share Yale's ChroMo-Design construction.
Flat-cylinder profile for tight working areas
Yale documentation states the YFS suits lifting, pushing, levelling and pressing applications in tight working areas. Yale specifies an important operational caveat: due to their short strokes, flat cylinders should NOT be subjected to side loading - the design priority is minimal vertical height, not lateral force handling.
Suitable Applications
Per Yale: steel mills, civil engineering, heavy construction, power plants and off-shore industries where vertical clearance is restricted.
Cylinders need a matched pump and hose and coupler set — pressure rating and coupler type must agree across the whole circuit before anything is ordered.
Key Features
- Yale ChroMo-Design: chromium-molybdenum steel cylinder body and piston, heat treated.
- 700 bar Maximum Operating Pressure: Yale standard.
- Single-Acting with Spring Return: automatic retraction.
- Extreme Low Profile: collapsed height as low as 43 mm (YFS-10/11).
- Stop Ring with Dirt Wiper: bears full capacity and protects against dirt.
- 3/8 NPT Oil Port: Yale standard interface.
- CFY-1 Female Coupler Half Included: ready to connect.
- YFS-100/15 with Carrying Handle: Yale fits a carrying handle on the 16 kg unit.
Technical Specifications
| Operating Pressure |
700 bar maximum |
| Action |
Single-acting with spring return |
| Construction |
Yale ChroMo-Design |
| Oil Port |
3/8 NPT |
| Coupler Half Included |
CFY-1 |
| Capacity Range |
10 - 100 tonnes |
| Stroke Range |
11 - 15 mm |
| Standard Models |
5 |
Frequently Asked Questions
Q: Can the YFS handle side loading?
No. Yale specifically states that due to their short strokes, flat cylinders should not be subjected to side loading. Use a YS or YH universal cylinder if side loading is expected.
Q: Is the YFS-100/15 fitted with a carrying handle?
Yes. Yale equips the YFS-100/15 with a carrying handle for portability.
Q: How short can the YFS get?
The YFS-10/11 has a collapsed height of just 43 mm, making it Yale's lowest-profile standard hydraulic cylinder.
