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 SI125BX50S Standard Cylinder Specifications
- Model: SI125BX50S
- Type: Double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 50 mm
- Operating pressure: 0.15–1.0 MPa
- Cushioning: Adjustable air cushion (both ends)
- Mounting style: Standard square flange (ISO 15552 compliant)
- Port size: G1/2 (ISO 228/1 standard)
- Piston rod material: Hard chrome-plated carbon steel
- Cylinder tube: Anodized aluminum alloy
- Seal material: Nitrile rubber (NBR)
- Temperature range: -20℃ to 80℃
- Protection rating: IP65 (dust-tight & water jet resistant)
- Weight: 3.8 kg ±2%
- Dimensions (L×W×H): 300 mm × 125 mm × 125 mm (excluding rod)
- Rod thread: M20×1.5
- Max theoretical thrust: 1,540 N @ 0.8 MPa
- Lubrication: Pre-lubricated (Oil-free operation possible)
High-force industrial cylinder engineered for heavy-duty applications. Features precision-machined components with corrosion-resistant treatment, ensuring smooth operation in harsh environments. The dual adjustable cushions minimize end-impact noise while allowing precise stroke adjustment. Compatible with AT/MA-series magnetic switches for position feedback.
- Press machine clamping mechanisms
- Automated palletizing systems
- Injection molding machine ejectors
- Steel mill material handling
- Packaging line actuation
| Property | Property Value |
|---|---|
| sku | SI125BX50S |
| 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 | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <50mm> |
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.









