Airtac SI125 Standard Cylinder SI125AX55
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 SI125AX55 Standard Cylinder Specifications
- Model: SI125AX55
- Bore size: 125mm
- Stroke: 55mm
- Operating pressure: 0.15–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1)
- Port size: G1/2 (ISO228/1 standard)
- Piston rod thread: M20×1.5
- Ambient temperature: -20℃ to 80℃
- Max theoretical thrust: 1533N @0.5MPa
- Speed range: 50–800mm/s
- Cylinder material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: NBR (nitrile rubber)
- Protection rating: IP65 (standard wiper design)
- Weight: ~4.8kg (excluding accessories)
- Dimensions: 340mm(L) × 125mm(W) × 125mm(H) (at mid-stroke position)
High-force industrial cylinder with optimized air consumption ratio, featuring dual adjustable pneumatic cushions for smooth end-of-stroke deceleration. The hard-anodized barrel and triple-lip wiper seal ensure extended service life in harsh environments. Pre-lubricated for maintenance-free operation under normal conditions.
- Press machine clamping mechanisms
- Automotive assembly line positioning
- Heavy-duty material handling systems
- Industrial packaging equipment
- Foundry plant door actuators
Installation note:
Allow 5mm minimum clearance around cylinder body for heat dissipation.
Use Cushion Locknut (ASD-12) to prevent cushion adjustment loosening
under vibration. Lubricate through air supply (ISO VG32 recommended)
for optimal performance.
| Property | Property Value |
|---|---|
| sku | SI125AX55 |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 55mm |
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.