Airtac SI125 Standard Cylinder SI125X245S
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 SI125X245S Standard Cylinder Specifications
- Model: SI125X245S
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: Ø125 mm
- Stroke: 245 mm (adjustable cushioning)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable rubber buffer + external shock absorber
- Mounting style: Double pivot bracket (ISO 15552 MB3)
- Port size: G1/2 (BSPP thread)
- Piston rod diameter: Ø35 mm (chrome-plated steel)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: 6.8 kg (without accessories)
- Dimensions: 500mm(L) × 125mm(W) × 125mm(H) (at mid-stroke)
- Max theoretical force: 12,272N @ 0.8MPa (extending)
- Max speed: 0.5–1.5 m/s (lubricated operation)
- ISO standard: 15552 (formerly ISO 6431)
High-torque industrial cylinder with reinforced end-lock design, featuring wear-resistant guide bands and magnetic piston for position sensing compatibility. The SI125X245S maintains ≤0.5mm/m alignment accuracy under full load, with IP66-rated dust/water protection. Requires ISO VG32 hydraulic oil mist lubrication (0.3–0.5cc/min recommended).
- Heavy-duty press machine actuation
- Automotive assembly line clamping fixtures
- Steel coil handling systems
- Injection molding machine ejectors
- Shipbuilding plate bending equipment
Installation warning:
Use M12x1.5 grade 8.8 mounting bolts (torque 45–50Nm) and maintain
0.5mm minimum clearance between rod end and load during alignment.
| Property | Property Value |
|---|---|
| sku | SI125X245S |
| 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 | 245mm |
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.