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 SI125X146 Standard Cylinder Specifications
- Model: SI125X146
- Bore size: 125 mm
- Stroke: 146 mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic MF1 (ISO 15552 standard)
- Port size: Rc1/2 (G1/2 optional)
- Temperature range: -20℃ to 80℃
- Body material: Aluminum alloy (hard anodized)
- Piston rod material: Chrome-plated steel
- Seal material: NBR (nitrile rubber)
- Weight: 5.8 kg (±2%)
- Dimensions: 226mm(L) × 150mm(W) × 150mm(H)
- Rod thread: M20×1.5
- Max theoretical force: 1,227N @0.5MPa
- ISO standard: 15552 (previously ISO 6431)
High-load industrial cylinder with corrosion-resistant construction, designed for repetitive heavy-duty applications. Features dual adjustable cushions for smooth end-of-stroke deceleration and magnetic piston for position sensing compatibility. Requires 40μm filtered air with ISO VG32 lubricator oil (optional oil-free operation).
- Automotive assembly line clamping devices
- Foundry equipment for mold ejection
- Packaging machinery press mechanisms
- Steel mill material handling systems
- Plastic injection molding machine gates
| Property | Property Value |
|---|---|
| sku | SI125X146 |
| 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 | 146mm |
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.









