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 SI125AX45 Standard Cylinder Specifications
- Model: SI125AX45
- Type: Double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 45 mm
- Operating pressure: 0.05–1.0 MPa (7-145 psi)
- Temperature range: -20℃ to 80℃ (-4℉ to 176℉)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/2 (standard), optional NPT1/2
- Piston rod thread: M20×1.5 (external)
- Rod diameter: 28 mm
- Seal material: NBR (nitrile) with wear-resistant ring
- Mounting style: Basic type (axial mounting accessories available)
- Protection rating: IP65 (standard), IP67 optional
- Weight: 6.8 kg (14.99 lbs)
- Dimensions:
- Extended length: 335 mm (13.19")
- Retracted length: 290 mm (11.42")
- Body diameter: 140 mm (5.51")
- Mounting hole spacing: 160×160 mm (6.3×6.3")
High-force industrial cylinder engineered for heavy-duty automation applications. Features chrome-plated piston rod with anti-rotation design and corrosion-resistant aluminum alloy body. The dual adjustable cushions prevent impact damage at stroke ends, while the large bore size delivers up to 1,227N thrust at 0.6 MPa. Compatible with ISO 15552 mounting accessories.
- Automotive production line clamping/positioning
- Foundry equipment for mold ejection
- Steel coil handling systems
- Paper roll compression machinery
- Plastic injection molding machine gates
| Property | Property Value |
|---|---|
| sku | SI125AX45 |
| 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 | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | <45mm> |
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.









