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 SI125X435S Standard Cylinder Specifications
- Model: SI125X435S
- Type: Double-acting pneumatic cylinder
- Bore size: Ø125 mm
- Stroke: 435 mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Standard ISO/VDMA front flange (optional rear pivot)
- Port size: G1/2 (ISO standard)
- Piston rod diameter: Ø35 mm (hard chrome-plated)
- Temperature range: -20°C to 80°C
- Tubing material: Aluminum alloy (anodized)
- Seal material: NBR (nitrile rubber)
- Protection rating: IP40
- Weight: 5.8 kg (without accessories)
- Dimensions: 600mm(L) × 125mm(W) × 125mm(H) (total extended length)
- Max theoretical force: 7,850N @ 0.63MPa
- Piston speed: 50–800 mm/s
A heavy-duty industrial cylinder designed for high thrust applications requiring precision linear motion. Features corrosion-resistant construction with double lip seals for enhanced durability. The chrome-plated piston rod and precision honed tube ensure smooth operation under continuous duty cycles. Includes magnetic piston for position sensing compatibility.
- Metal stamping press ejection systems
- Injection molding machine clamping units
- Automotive assembly line positioning
- Bulk material handling gates
- Industrial press brake actuators
- Maximum side load: 650N
- Minimum start pressure: 0.08MPa
- Re-lubrication interval: 1,000km cumulative travel
| Property | Property Value |
|---|---|
| sku | SI125X435S |
| 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 | 435mm |
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.









