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 SI125BX120S Standard Cylinder Specifications
- Model: SI125BX120S
- Type: Double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 120 mm
- Operating pressure: 0.15–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1)
- Port size: G3/8 (M16x1.5 thread)
- Temperature range: -20℃ to 80℃
- Piston rod material: Chrome-plated steel
- Cylinder tube material: Aluminum alloy (hard anodized)
- Seal material: NBR (nitrile rubber)
- Weight: 12.8 kg ±2%
- Dimensions (L×W×H): 320mm × 152mm × 152mm
- Max theoretical thrust: 10,597N @0.63MPa
- Lubrication: Pre-lubricated (relubrication interval: 2,000km)
- Protection rating: IP65 (dust-tight & water jet resistant)
High-force industrial cylinder with precision-machined components for heavy-duty applications. Features wear-resistant rod seals and corrosion-resistant construction, optimized for repetitive motion cycles. Requires 40μm filtered air with ISO 8573-1:2010 Class 3.4.2 air quality standards.
- Automotive assembly line clamping systems
- Steel mill material handling actuators
- Injection molding machine ejectors
- Warehouse palletizing robots
- Construction equipment hydraulic assist
- External cushion adjustment screws for impact control
- Magnetic version available (add "-M" to model)
- Rod end: 1 M45x2 external thread
- Optional stroke tolerance: ±0.5mm (standard), ±0.2mm (precision grade)
| Property | Property Value |
|---|---|
| sku | SI125BX120S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | 120mm |
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.









