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 SI125BX450 Standard Cylinder Specifications
- Model: SI125BX450
- Bore size: 125mm
- Stroke: 450mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic front flange (ISO 15552 standard)
- Port size: G1/2 (ISO 228/1)
- Temperature range: -20℃ to 80℃
- Piston material: Anodized aluminum alloy
- Rod material: Chrome-plated steel (Cr-Mo)
- Seal type: NBR rubber (oil-resistant)
- Weight: 8.7kg ±2% (without accessories)
- Dimensions: 634mm(L) × 140mm(W) × 140mm(H)
- Max theoretical thrust: 8830N @0.63MPa
- Air consumption: 5.78L/stroke @0.5MPa
- Piston speed: 50–800mm/s
- Protection rating: IP65 (with wiper seal)
High-force industrial cylinder featuring corrosion-resistant construction and precision-machined guide bands for smooth operation. The dual adjustable cushioning system minimizes end-impact noise, while the multi-lip wiper seal ensures debris resistance. Requires ISO 8573-1:2010 Class 3-4-3 compressed air (max 1mg/m³ oil content).
- Heavy-duty press machine actuation
- Automotive welding fixture positioning
- Injection molding machine ejector systems
- Steel coil handling equipment
- Packaging line palletizing arms

Property | Property Value |
---|---|
sku | SI125BX450 |
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 | Non-magnetic |
Bore Diameter | 125mm |
Stroke | 450mm |
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.