Cylinder Assembly – Concrete Pump S-Valve Actuation
Key Features
- OEM-qualitysteel tube and precision-machined rod
- High-temperatureand abrasion-resistant seals
- Leak-tested and pre-filled with protective oil
- Compatible withSANY, Zoomlion, Putzmeister, CIFAand others
Applications
- Truck-mounted concrete pump S-valve swinging system
- Stationary pump valve changeover
- Hydraulic swing replacement and repair
Technical Specifications
| Parameter | Value |
|---|---|
| Function | Drives S-valve left/right swing |
| Working Pressure | Up to 28 MPa (4060 psi) |
| Bore × Rod × Stroke | 80×45×200 mm / 90×50×220 mm / 100×55×250 mm(customizable) |
| Port Thread | G 1/2″orM22×1.5 |
| Mounting | Clevis or eye type |
| Seal Material | NBRorFKM |
| Temperature Range | -20 to +110 °C |
Fitment and Compatibility
- Applicable forSANY / Zoomlion / Putzmeister / CIFA / XCMG / Sermac / Everdigm
- Provide pump model and old cylinder photos to confirm dimensions
Common Replacement Signs
- S-valve cannot reach both end positions
- Hydraulic oil leakage from cylinder rod
- Slow or uneven swing
- Rod surface corrosion or bending
Installation Guidance
- Depressurize system before removal
- Align mounting pins correctly
- Bleed air after installation
- Inspect for leaks at operating pressure
