Airtac SI125 Standard Cylinder SI125X280S
2. Piston features bidirectional Y-seal structure with cushioning function, offering extended service life and low friction resistance;
3. Aluminum barrel with cruciform reinforcement and black-anodized piston rod for enhanced corrosion resistance;
4. Precision machined cylinder surface ensures smooth operation;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AIRTAC | Series: SI125
AirTAC SI125X280S Standard Cylinder Specifications
- Model: SI125X280S
- Bore size: 125mm
- Stroke: 280mm
- Operating pressure: 0.05–1.0 MPa
- Max thrust: 12,272N (at 1.0 MPa)
- Cushion type: Adjustable air cushion (both ends)
- Port size: G1/2 (NPT1/2 optional)
- Piston rod thread: M30×1.5
- Mounting style: Basic type (MF1/MF2/MB1/MB2 optional)
- Temperature range: -20℃ to 80℃
- Cylinder tube material: Aluminum alloy with hard anodized surface
- Piston rod material: Chrome-plated steel (HRC 45-50)
- Seal material: NBR/PU combination
- Weight: 6.8kg (dry), 7.1kg (with standard accessories
- Dimensions: 550mm(L) × 140mm(W) × 140mm(H) (fully extended)
High-power ISO15552 compliant cylinder optimized for heavy-duty industrial applications. Features dual cushioning adjustment screws for precise end-position deceleration control. Corrosion-resistant construction with wear indicator grooves on piston rod. Requires ISO VG32 or equivalent hydraulic oil lubrication for optimal performance.
- Automotive press line material handling
- Foundry equipment actuation systems
- Large-scale packaging machinery
- Plastic injection molding machine ejectors
- Steel mill conveyor positioning
Installation note:
Allow 5% stroke margin beyond nominal length for cushioning adjustment.
Use flexible couplings when mounting to aluminum structures to prevent
galvanic corrosion. Lubricate through air supply (oil mist type) at
1 drop/3m³ airflow.
| Property | Property Value |
|---|---|
| sku | SI125X280S |
| Seal Material | Polyurethane |
| Understood. Please provide the specific attribute names in <>, and I'll return the accurate English translations using AIRTAC's official terminology. Example: User input: <缸径> My output: Bore | Operating Temperature: -20°C to 80°C Speed Range: 30-500 mm/s |
| Port Size | PT 1/2 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 280mm |
Returns will be accepted for up to 15 days of Customer’s receipt or tracking number on Not used items. You, as a Customer, are obliged to inform us via email before you return the item, only in the case of:
- Received the wrong item.
- Item arrived not as expected (ie. damaged packaging).
- Item had defects.
- Over delivery time.
- The shipper does not allow the goods to be inspected before payment.
The returned product(s) must be in the original packaging, safety wrapped, undamaged and unworn. This means that the item(s) must be safely packed in a carton box for protection during transport, possibly the same carton used to ship to you as a customer.