The Enerpac STRS121 is a high-performance threaded body hydraulic swing clamp cylinder engineered for compact workholding applications. Operating at pressures up to 5,000 PSI, this single-acting cylinder delivers 2,400 lbf of clamping force with a 90-degree right-turning swing rotation. Features include dual SAE #4 ports, durable steel construction, and precise threaded mounting. Includes original instruction sheet L1717.
We have inspected this item and we do not have the capability to install the unit to fully test it. There are some cosmetic scuffs and scratches throughout the unit as well as some slight nicks. Original packaging shows outer storage wear and torn edges.
Please refer to the photos for more information.
This unit only includes what is photographed in the listing. Made in USA.
Technical Specs
| Item | Swing Clamp Hydraulic Cylinder |
| Cylinder Type | Swing |
| Body Material | Steel |
| Mounting Style | Threaded Body |
| Single Acting/Double Acting | Single Acting |
| Turns | Right |
| Clamping Force | 2,400 lbf |
| Total Stroke | 1.09 in |
| Effective Area Clamped | 0.63 sq in |
| Clamping Stroke | 0.5 in |
| Max. Pressure | 5,000 psi |
| Swing Angle | 90 ° |
| Port Size | #4 SAE |
| Oil Capacity Clamped | 0.7 cu in |
| Max. Oil Flow | 100 cu in/min |
| Pressure Range | 500 to 5000 psi |
| Extended Height | 6.75 in |
| Outside Dia. | 2.38 in |
| Mounting Hole Dia. | 1.88 in |
| Mounting Thread | 5/16"-24 |
| Number of Bolts | 3 |
| Bolt Size | 1-7/8"-16 |
| Min. Hole Depth | 0.8 in |
| Series | ST |
| Country of Origin | USA |