Airtac SI125 Standard Cylinder SI125X550STC
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 SI125X550STC Standard Cylinder Specifications
- Model: SI125X550STC
- Type: ISO 15552 compliant double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 550 mm
- Operating pressure: 0.1–0.9 MPa (15–130 PSI)
- Piston rod thread: M20×1.5
- Cushioning: Adjustable air cushion (both ends)
- Mounting style: Standard (MF1/MB1/MF2/MB2 optional)
- Port size: G1/2 (ISO 228-1)
- Seal material: NBR (Nitrile Butadiene Rubber)
- Temperature range: -20℃ to +80℃
- Piston speed: 50–800 mm/s (lubricated)
- Weight: 21.5 kg (dry, without accessories)
- Dimensions: 742mm(L) × 155mm(W) × 155mm(H)
- Rod end type: External thread + locknut
- Protection rating: IP65 (with wiper seal)
- Material: Aluminum alloy barrel, hardened steel rod
High-force industrial cylinder designed for heavy-duty automation applications. Features corrosion-resistant anodized aluminum construction and integrated magnetic sensor slots (Φ8.5×20mm) for position feedback. Requires ISO VG32 hydraulic oil mist lubrication (0.3–0.5cc/min recommended) for optimal seal performance.
- Automotive production line clamping systems
- Steel mill material handling actuators
- Injection molding machine ejectors
- Warehouse palletizing robots
- Paper processing equipment
Installation note:
Maximum permissible lateral load: 450N. Align within 0.2mm angular
misalignment during mounting. Use M20×1.5 locknut with 90–110Nm torque.
Allow 50mm clearance at stroke ends for cushion adjustment.
| Property | Property Value |
|---|---|
| sku | SI125X550STC |
| 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 | 550mm |
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.