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 SI125X250CB Standard Cylinder Specifications
- Model: SI125X250CB
- Bore size: 125 mm
- Stroke: 250 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (ISO228/1 standard)
- Piston rod thread: M33×2 (external)
- Material:
- Tube: Aluminum alloy with hard anodization
- Piston rod: Chrome-plated carbon steel
- End caps: Cast aluminum
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 12.5 kg (±2%)
- Dimensions:
- Total length (retracted): 370 mm
- Extended length: 620 mm
- Body diameter: 145 mm
- Mounting flange width: 150 mm
- ISO standard: 15552 (previously ISO6431)
High-force industrial cylinder with corrosion-resistant construction, designed for heavy-duty automation systems. Features dual adjustable air cushions for smooth deceleration and impact reduction. The M33×2 piston rod thread enables secure load attachment, while the hard-anodized tube ensures extended service life in high-cycle applications.
- Press machine actuation systems
- Automotive welding fixture positioning
- Injection molding machine ejectors
- Bulk material handling gates
- Steel mill roller adjustments
| Property | Property Value |
|---|---|
| sku | SI125X250CB |
| 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 | <250MM> → <250mm> |
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.









