Airtac SI125 Standard Cylinder SI125BX500
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 SI125BX500 Standard Cylinder Specifications
- Model: SI125BX500
- Bore size: 125mm
- Stroke: 500mm
- Action type: Double-acting
- Operating pressure: 0.15–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (optional front/rear flange, foot mounting)
- Port size: G1/2 (ISO standard)
- Operating temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Rod material: Chrome-plated carbon steel (Cr-Mo)
- Tube material: Aluminum alloy (hard anodized)
- Seal material: NBR/PU (nitrile-polyurethane compound)
- Protection rating: IP65 (standard wiper design)
- Weight: 12.8 kg (without accessories)
- Dimensions:
- Extended length: 1090mm
- Retracted length: 590mm
- Body diameter: 142mm (max)
- Mounting hole spacing: 160mm × 160mm (front flange pattern)
High-power industrial cylinder designed for heavy-load applications requiring long stroke precision. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and reinforced rod bearing for side load resistance. Pre-lubricated for immediate operation with ISO VG32 hydraulic oil compatible seals.
- Automotive press line material handling
- Steel coil lifting and positioning systems
- Plastic injection molding machine ejectors
- Large-scale packaging equipment actuators
- Construction machinery hydraulic assist systems
Installation note:
Requires minimum 2x bore size clearance for full stroke operation.
Use M20x1.5 mounting screws (grade 8.8 or higher) for flange installations.
Lubricate rod weekly in high-cycle applications (>500 cycles/day).
| Property | Property Value |
|---|---|
| sku | SI125BX500 |
| 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 | SUS304 |
| Magnet | Non-magnetic |
| Bore Diameter | 125mm |
| Stroke | 500mm |
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.