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 SI125AX450 Standard Cylinder Technical Specifications
- Model: SI125AX450
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 450 mm (customizable from 25-2000mm)
- Operating pressure: 0.05-1.2 MPa
- Cushioning: Adjustable air cushion + rubber bumper
- Port size: G1/2 (NPT1/2 optional)
- Mounting type: Basic front flange (ISO 15552 MF1)
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal type: NBR seals with wear-resistant ring
- Temperature range: -20℃ to 80℃
- Weight: 8.7 kg (bare cylinder without accessories)
- Dimensions (L×W×H):
- Body diameter: Ø125mm
- Retracted length: 625mm (stroke 450mm + base length)
- Rod end: 32mm diameter × 28mm threaded length (M20×1.5)
- Max theoretical force (@0.63MPa):
- Extension: 7,750N
- Retraction: 6,940N
High-performance industrial cylinder designed for heavy-duty applications requiring precise linear motion. Features corrosion-resistant construction with double sealing system for leak-proof operation. The magnetic piston version (SI125MX450) allows position sensing when combined with reed switches. Optional rod guard kits available for harsh environments.
- Automotive production line clamping fixtures
- Steel mill material handling systems
- Injection molding machine ejectors
- Paper processing equipment actuators
- Heavy-duty press brake tool changers
| Property | Property Value |
|---|---|
| sku | SI125AX450 |
| 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 | 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.









