Airtac SI125 Standard Cylinder SI125X520S
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 SI125X520S Standard Cylinder Specifications
- Model: SI125X520S
- Bore size: 125mm
- Stroke: 520mm
- Operating pressure: 0.05–1.0 MPa
- Operating medium: Clean compressed air (lubricated or non-lubricated)
- Ambient temperature: -20℃ to 80℃
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G1/2
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Aluminum alloy with hard anodized surface
- Seal material: NBR (standard), optional Polyurethane
- Mounting type: Basic type (no built-in mounts)
- Weight: ~12.8kg (without accessories)
- Dimensions:
- Extended length: 1,034mm (minimum)
- Retracted length: 514mm (maximum)
- Body diameter: Ø142mm
- Mounting hole spacing: 160mm (center-to-center)
High-thrust industrial cylinder designed for heavy-duty linear motion applications. Features dual adjustable pneumatic cushions for smooth deceleration and anti-rotation piston rod design. Optional magnetic piston version (SI125X520S-M9) available for position sensing. Requires 5-50μm filtered air with ISO 8573-1:2010 Class 3.4.3 quality.
- Press machine ejection systems
- Automotive welding fixture positioning
- Steel coil handling equipment
- Injection molding machine core pulling
- Large conveyor gate actuators
Installation note:
Requires minimum 2x bore size clearance for rod extension.
For vertical mounting, use lock nut (AN-25) to prevent rod rotation.
Lubricate through air supply (ISO VG32 recommended) if using non-lubricated seals.
| Property | Property Value |
|---|---|
| sku | SI125X520S |
| 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 | 520mm |
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.