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 SI125AX270S Standard Cylinder Specifications
- Model: SI125AX270S
- Bore size: 125mm
- Stroke: 270mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Action type: Double-acting
- Mounting style: Basic type (axial foot mounting holes)
- Piston rod material: Hard chrome-plated carbon steel
- Operating temperature: -20℃ to 80℃
- Lubrication: Pre-lubricated (Oil-free operation possible)
- Port size: G1/2 (ISO standard)
- Max theoretical thrust: 12,272N @ 0.7MPa
- Max piston speed: 500–700 mm/s
- Durability: 5,000km (ISO 15552 standard)
- Weight: 8.5kg ±2% (without accessories)
- Dimensions: 370mm(L) × 125mm(W) × 125mm(H)
High-force industrial cylinder with corrosion-resistant aluminum alloy body and integrated cushioning mechanism. Features wear-resistant seals (NBR/PU options) and multi-position sensor slots for magnetic switch installation. Designed for heavy-duty cycles with 500m³/min air consumption at max speed.
- Press machine ejection systems
- Automotive welding fixture actuation
- Steel coil handling equipment
- Plastic injection molding machine core pulling
- Warehouse stacking crane positioning
| Property | Property Value |
|---|---|
| sku | SI125AX270S |
| 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 | SUS420J2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 270mm |
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.









