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 SI125X1125S Standard Cylinder Specifications
- Model: SI125X1125S
- Bore diameter: 125 mm
- Stroke: 1125 mm
- Operating pressure: 0.1–1.0 MPa (14.5–145 PSI)
- Cushion type: Adjustable buffer (both ends)
- Mounting style: Basic MF1 series flange mounting
- Port size: G1/2 (ISO standard)
- Piston material: High-strength aluminum alloy (surface hard anodized)
- Rod material: Stainless steel SUS304 (chrome-plated optional)
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Temperature range: -20℃ to +80℃ (dry air required below 0℃)
- Weight: 19.8 kg ±2% (without accessories)
- Dimensions: 1403mm(L) × 162mm(W) × 162mm(H) (full extension)
- Rod thread: M33×2 external thread (ISO 12240-1 standard)
- Protection rating: IP65 (standard wiper seal)
- Lubrication: Pre-lubricated (recommended oil viscosity: ISO VG32)
Heavy-duty industrial cylinder optimized for long-stroke applications requiring high thrust force (theoretical thrust 12,272N at 1.0MPa). Features dual adjustable pneumatic cushions with 0-20mm buffer stroke adjustment. Corrosion-resistant construction with triple sealing system (rod seal, buffer seal, and wiper seal). Includes magnetic piston for position sensing compatibility.
- Automotive production line material handling systems
- Steel mill rolling equipment positioning
- Plastic injection molding machine ejectors
- Shipbuilding jig positioning mechanisms
- Heavy conveyor gate actuators
| Property | Property Value |
|---|---|
| sku | SI125X1125S |
| 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 | 1125mm |
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.









