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 SI125X290S Standard Cylinder Specifications
- Model: SI125X290S
- Bore diameter: 125 mm
- Stroke: 290 mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Port size: Rc1/2 (ISO G1/2 optional)
- Piston speed: 50–700 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting style: Basic type (MF1)
- Material: Aluminum alloy cylinder tube, hard chrome-plated piston rod
- Seal material: NBR (standard), optional Polyurethane
- Weight: 15.2 kg ±2%
- Dimensions: 658mm(L) × 145mm(W) × 145mm(H) (including mounting brackets)
- Rod thread: M39×1.5
- Max lateral load: 1,470 N at 0.5 MPa
- ISO standard: 15552 compliant
High-force industrial cylinder designed for heavy-duty automation applications. Features double-acting operation with corrosion-resistant construction and precision-machined guide bands for smooth linear motion. Includes magnetic piston for position sensing compatibility (sensor not included). Requires 40μm filtered air with ISO VG32 lubricator oil recommended.
- Press machine ejection systems
- Automotive welding fixture positioning
- Palletizing robot end-effectors
- Injection molding machine core pulls
- Steel mill conveyor gate actuators
| Property | Property Value |
|---|---|
| sku | SI125X290S |
| 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 | 290mm |
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.









