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 SI125AX250S Standard Cylinder Specifications
- Model: SI125AX250S
- Bore size: 125mm
- Stroke: 250mm
- Action type: Double-acting
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Operating temperature: -20℃ to 80℃
- Port size: G1/2 (ISO standard)
- Piston rod thread: M24×1.5
- Mounting style: Basic type (MF1)
- Material: Aluminum alloy barrel (anodized), stainless steel piston rod
- Seal material: NBR + PU combination
- Protection rating: IP65 (standard wiper design)
- Weight: 5.8kg (without accessories)
- Dimensions:
- Length: 519mm (fully retracted)
- Width: 150mm (mounting bracket included)
- Height: 136mm (barrel diameter)
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant construction with triple chrome-plated piston rod and impact-resistant end caps. The precision-machined barrel ensures smooth operation with ≤0.5mm/m straightness tolerance. Compatible with all ISO 15552 mounting accessories.
- Press machine clamping mechanisms
- Automotive welding fixture positioning
- Injection molding machine ejectors
- Steel mill material handling systems
- Packaging line heavy door actuators
| Property | Property Value |
|---|---|
| sku | SI125AX250S |
| 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 | SUS420J2 |
| Magnet | S-Magnetic |
| Bore Diameter | 125mm |
| Stroke | <250MM> → <250mm> |
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.









