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 SI125AX450S Standard Cylinder Specifications
- Model: SI125AX450S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore diameter: 125 mm
- Stroke length: 450 mm (±0.5mm tolerance)
- Rod diameter: 35 mm (chrome-plated steel)
- Operating pressure: 0.1–1.0 MPa (1–10 bar)
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G3/4 (ISO 228 standard)
- Piston speed: 50–800 mm/s (lubricated operation)
- Ambient temperature: -20℃ to +80℃
- Seal material: NBR + Polyurethane (high wear resistance)
- Mounting type: Basic type (foot/axial mounts optional)
- Weight: 12.8 kg (including rod and mounting accessories)
- Dimensions (L×W×H): 680mm (total length) × 155mm (body width) × 155mm (mounting height)
- Protection rating: IP65 (standard wiper seal)
- Air consumption: 11.3 L/cycle @ 6 bar
Heavy-duty industrial cylinder designed for high-force linear motion applications. Features corrosion-resistant aluminum alloy barrel with honed inner surface (Ra≤0.2μm) for smooth operation. The magnetic piston version (optional) enables position sensing. Requires ISO VG32 hydraulic oil mist lubrication for optimal seal life.
- Automotive press line material handling
- Steel coil lifting/pressing systems
- Plastic injection molding ejectors
- Paper mill roller positioning
- Warehouse automated stacking systems
- Relubricate every 500 km of cumulative stroke distance
- Replace rod wiper seal every 2 million cycles
- Inspect piston parallelism quarterly in high-vibration environments
| Property | Property Value |
|---|---|
| sku | SI125AX450S |
| 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 | S-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.









