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 SI125X210 Standard Cylinder Specifications
- Model: SI125X210
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125mm
- Stroke: 210mm (±1mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Standard ISO mounting (VDMA/NFPA optional)
- Port size: G3/8 (NPT1/2 optional)
- Piston rod material: Hard chrome-plated 45# steel
- Tube material: Anodized aluminum alloy
- Seal material: High-grade NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 8.6kg (dry, without accessories)
- Dimensions:
- Extended length: 506mm
- Retracted length: 296mm
- Body diameter: 142mm
- Mounting center distance: 160mm
- Max theoretical thrust: 1,227N @0.5MPa
- Protection rating: IP65 (standard wiper seal)
- Lubrication: Pre-lubricated (relubrication interval: 3,000km)
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant construction with triple sealing system (rod seal, buffer seal, and wiper seal). Integrated magnet version (SI125X210-M9) available for position sensing. Requires 40μm filtered air with 1-10mg/m³ oil mist content recommended.
- Metal stamping press ejection systems
- Automotive assembly line clamping units
- Packaging machinery compression stations
- Foundry equipment material handling
- Plastic injection molding machine core pulls
| Property | Property Value |
|---|---|
| sku | SI125X210 |
| 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 | 210mm |
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.









