Airtac SI125 Standard Cylinder SI125X390S
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 SI125X390S Standard Cylinder Technical Details
- Model: SI125X390S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: Ø125 mm (±0.5mm manufacturing tolerance)
- Stroke: 390 mm (adjustable cushioning at both ends)
- Operating pressure: 0.05-1.0 MPa (7-145 psi)
- Piston speed: 50-800 mm/s (lubricated condition)
- Ambient temperature: -20℃ to 80℃ (NBR seals)/-10℃ to 60℃ (PU seals)
- Port size: G3/8 (BSPP thread)
- Cushioning: Adjustable pneumatic cushion with shock absorber
- Mounting: Basic type (optional flange/clevis/foot mounts)
- Piston rod material: Chrome-plated 45# steel
- Tube material: Aluminum alloy with hard anodized finish
- Weight: 13.8 kg ±2% (excluding accessories)
- Dimensions:
- Extended length: 698 mm
- Retracted length: 308 mm
- Body diameter: 142 mm
- Rod end thread: M30×2.0
High-force industrial cylinder designed for heavy-duty automation applications. Features precision honed tube (Ra≤0.2μm) and triple sealing system (rod seal, piston seal, wiper). Includes magnetic piston (D-M9 connector) for position feedback. Optional heat-resistant version available for 150℃ environments.
- Automotive press line material handling
- Plastic injection molding machine ejectors
- Steel mill rolling equipment
- Paper processing machinery
- Hydraulic system replacement projects
Installation guidelines:
Apply SAE 10-30 oil mist lubrication (0.3-0.6g/m³). Maintain 0.5° maximum angular misalignment.
For vertical mounting, use rod-end support brackets. Replace wear bands after 5,000km cumulative stroke.
| Property | Property Value |
|---|---|
| sku | SI125X390S |
| 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 | 390mm |
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.