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 SI125X505S Standard Cylinder Specifications
- Model: SI125X505S
- Bore size: 125mm
- Stroke: 500mm (adjustable cushion)
- Action type: Double-acting
- Operating pressure: 0.05–1.0 MPa
- Max thrust: 1,472N @0.5MPa (theoretical)
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (no built-in mounts)
- Port size: G1/2 (standard) or optional NPT1/2
- Piston speed: 50–700mm/s
- Ambient temperature: -20℃ to 80℃
- Body material: Aluminum alloy (anodized)
- Seal material: NBR (nitrile rubber)
- Weight: 11.8kg ±3% (excluding accessories)
- Dimensions:
- Extended length: 1,115mm
- Retracted length: 615mm
- Body diameter: Φ140mm
- Mounting base: 180×180mm square
High-torque industrial cylinder with heavy-duty construction, featuring precision-machined barrel and chrome-plated piston rod (hardness HRC45+). Designed for vertical/horizontal mounting in high-cycle applications. Includes wear-resistant guide bands and magnetic piston for position sensing compatibility. Requires ISO 8573-1 class 3 or cleaner compressed air.
- Plastic injection molding machine ejectors
- Automotive press line material handling
- Steel mill door actuators
- Paper roll clamping systems
- Shipbuilding fixture positioning
| Property | Property Value |
|---|---|
| sku | SI125X505S |
| 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 | 505 mm |
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.









