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 SI125AX105S Standard Cylinder Specifications
- Model: SI125AX105S
- Type: Double-acting pneumatic cylinder
- Bore diameter: 125 mm
- Stroke: 105 mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Temperature range: -20°C to 80°C
- Port size: G3/8 (standard)
- Mounting style: Standard MF1 flange mounting
- Tube material: Aluminum alloy with hard anodized surface
- Piston rod material: Chrome-plated steel (S45C)
- Seal material: NBR (nitrile rubber)
- Protection rating: IP65 (dust-tight & water jet resistant)
- Max theoretical thrust: 1,102 N @0.6 MPa
- Max speed: 500–800 mm/s (with cushion adjustment)
- Weight: 4.8 kg (including mounting accessories)
- Dimensions:
- Total length: 350 mm (at mid-stroke position)
- Body diameter: 150 mm
- Rod end thread: M20×1.5
- Flange height: 160 mm (from centerline)
- Sensor compatibility: Built-in magnet (SI series magnetic switches)
The SI125AX105S industrial-grade cylinder delivers 12,000N+ thrust capacity with optimized air consumption. Features chromium carbide-coated rod for wear resistance in harsh environments. Dual adjustable cushions prevent end-impact damage during high-cycle operations. Pre-lubricated for immediate use with ISO VG32 hydraulic oil-compatible air.
- Automated material handling systems (palletizers/conveyors)
- Automotive assembly line clamping fixtures
- Plastic injection molding machine ejectors
- Metal stamping press feeding mechanisms
- Heavy-duty packaging equipment actuators
| Property | Property Value |
|---|---|
| sku | SI125AX105S |
| 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 | 105mm |
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.









