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 SI125X450N Standard Cylinder Specifications
- Model: SI125X450N
- Bore size: 125mm
- Stroke: 450mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1)
- Port size: Rc1/2 (G1/2 optional)
- Piston rod thread: M24×1.5
- Ambient temperature: -20℃ to 80℃
- Material: Aluminum alloy barrel, hardened steel piston rod
- Seal material: NBR (Nitrile rubber)
- Protection rating: IP54 (standard wiper)
- Weight: 12.8kg ±2% (without accessories)
- Dimensions:
- Extended length: 925mm (min. 955mm with cushion)
- Retracted length: 475mm
- Body diameter: Φ140mm
- Mounting center distance: 160mm
High-force industrial cylinder designed for heavy-duty linear motion applications. Features chromium-plated piston rod with scratch-resistant coating and wear-compensation seals. The dual adjustable cushioning system minimizes end-impact noise (adjustment range: 1/4 to 2 full turns). Requires filtered lubricated air (ISO 8573-1 class 3.4.3) for optimal performance.
- Press machine ejection systems
- Automotive welding fixture positioning
- Foundry equipment door actuators
- Plastic injection molding machine core pulls
- Steel mill conveyor gate controls
- Theoretical thrust: 15,700N @ 0.63MPa
- Max piston speed: 500-700mm/s (cushioned)
- Service life: 5,000km (rod travel distance)
- Repeat positioning accuracy: ±0.5mm (with guide)
| Property | Property Value |
|---|---|
| sku | SI125X450N |
| Seal Material | NBR |
| 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 | 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.









