Airtac SI125 Standard Cylinder SI125X325STC
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 SI125X325STC Standard Cylinder Specifications
- Model: SI125X325STC
- Type: Double-acting pneumatic cylinder
- Bore size: 125 mm
- Stroke: 325 mm (±1.5mm tolerance)
- Operating pressure: 0.1–1.0 MPa
- Piston rod diameter: 40 mm (chrome-plated steel)
- Cushioning: Adjustable air cushion at both ends
- Port size: G1/2 (ISO228/1 standard)
- Mounting style: STC-type (front flange + rear foot mounting)
- Seal material: NBR + polyurethane hybrid seals
- Temperature range: -20℃ to 80℃
- Weight: 12.8 kg (dry, without accessories)
- Dimensions: 525mm(L) × 158mm(W) × 158mm(H)
- Rod end thread: M20×1.5 (male thread)
- Protection rating: IP65 (standard wiper design)
- Max theoretical thrust: 1,227N @0.5MPa
High-load industrial cylinder featuring wear-resistant construction with hard-anodized aluminum tube and triple-layer chrome plating on piston rod. The STC mounting configuration provides enhanced stability for heavy-duty applications. Requires ISO 8573-1:2010 Class 3 lubricated air (optional oil-free operation). Includes magnetic piston for position sensing compatibility.
- Automotive assembly line clamping systems
- Injection molding machine ejectors
- Steel coil handling equipment
- Paper mill roller positioning
- Shipbuilding jig actuators
Installation note:
Maintain 0.05mm maximum misalignment during mounting. For vertical installations exceeding 45° angle,
use auxiliary guide mechanisms. Lubricate rod weekly in high-cycle applications (>500,000 cycles/year).
| Property | Property Value |
|---|---|
| sku | SI125X325STC |
| 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 | 325mm |
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.