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 SI125X270TC Standard Cylinder Specifications
- Model: SI125X270TC
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 270 mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic type (foot-mounted, axial accessories optional)
- Port size: G1/2 (ISO 228-1 standard)
- Piston rod thread: M30x2 external thread
- Material: Aluminum alloy barrel, hardened chrome-plated rod
- Seal material: NBR (Nitrile) standard, optional FKM/Viton
- Protection rating: IP65 (rod extended), IP54 (retracted)
- Weight: 9.8 kg (dry, without accessories)
- Dimensions: 497mm (L) × 125mm (W) × 125mm (H)
- Max theoretical force: 1,227N @ 0.63MPa (extending)
- Piston speed: 50–800 mm/s (optimal range)
- Air consumption: 12.9 L/cycle @ 0.5MPa
High-torque industrial cylinder designed for heavy-duty linear motion applications. Features wear-resistant construction with double-sealed rod bearing for contamination resistance. Integrated magnetic piston (D-M9N proximity sensor compatible) enables position feedback. Requires ISO 8573-1:2010 Class 3-4-3 compressed air.
- Metal stamping press ejection systems
- Automotive assembly line clamping devices
- Packaging machinery compression units
- Foundry equipment door actuators
- Plastic injection molding machine core pulls
| Property | Property Value |
|---|---|
| sku | SI125X270TC |
| 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 | Non-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.









