Airtac SI125 Standard Cylinder SI125X255S
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 SI125X255S Standard Cylinder Specifications
- Model: SI125X255S
- Type: Double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 255 mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable buffer (both ends)
- Port size: G1/2 (ISO228/1 standard)
- Piston rod material: Chrome-plated carbon steel (C45E)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 5.8 kg (without accessories)
- Dimensions:
- Total length: 505 mm (stroke 255 + cylinder body 250)
- Width: 144 mm (with mounting brackets)
- Height: 144 mm (square tube design)
- Mounting options: MF1 (front flange), MP2 (rear pivot), MB1 (foot mounting)
- ISO standard: 15552 compliant
- Lubrication: Pre-lubricated (oil-free operation possible)
A heavy-duty industrial cylinder designed for high thrust applications requiring precise linear motion. Features corrosion-resistant construction with double sealing system (wiper seal + piston seal) for dusty environments. The square tube design enhances heat dissipation and allows multiple mounting configurations.
- Automated material handling systems
- Metal stamping press ejection mechanisms
- Plastic injection molding machine clamps
- Automotive assembly line positioning
- Paper processing equipment actuators
Installation note:
Maintain 0.5-1mm alignment tolerance during mounting. For vertical installations,
use the UP arrow mark orientation to ensure optimal lubrication distribution.
Recommended air filtration: 5μm with auto-drain function.
- Standard cycle life: 5,000 km (with proper lubrication)
- Re-lubrication interval: Every 2,000 km or 6 months
- Rod bearing replacement: Every 10,000 cycles (heavy load conditions)
| Property | Property Value |
|---|---|
| sku | SI125X255S |
| 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 | 255mm |
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.