2. Piston sealing features dual-locked Y-type axial sealing structure with dust scraping capability, delivering extended service life and low friction resistance;
3. Aluminum tube with cross-shaped reinforcement and anodized tie rods for enhanced corrosion resistance;
4. Optimized cushion adjustment system with stable stroke control;
5. Multiple bore sizes and mounting accessories available for flexible configuration.
Category: Standard Cylinders | Brand: Airtac | Series: SI63
AirTAC SI63X425STC Standard Cylinder Specifications
- Model: SI63X425STC
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 63mm
- Stroke: 425mm
- Operating pressure: 0.05–0.9 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: G1/2 (NPT1/2 optional)
- Piston rod thread: M20×1.5
- Operating temperature: -20℃ to 80℃
- Ambient humidity: ≤95% RH
- Body material: Aluminum alloy (anodized)
- Piston rod material: Carbon steel (hard chrome plated)
- Seal material: NBR (nitrile rubber)
- Protection rating: IP65 (standard), IP67 (optional)
- Weight: 4.8kg (bare cylinder), 5.3kg (with accessories)
- Dimensions:
- Extended length: 723mm
- Retracted length: 298mm
- Body width: 80mm (including mounting brackets)
- Height: 80mm (square profile)
A heavy-duty industrial cylinder designed for long-stroke applications requiring precise linear motion. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and anti-corrosion treatment for harsh environments. The square body design enhances structural rigidity during side load operations.
- Automotive assembly line clamping mechanisms
- Palletizing robot arm actuators
- Press machine ejection systems
- Steel mill conveyor gate controls
- Plastic injection molding machine components
| Property | Property Value |
|---|---|
| sku | SI63X425STC |
| 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℃ to 80℃ Speed Range: 30-800 mm/s |
| Port Size | PT3/8 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | <425mm> |
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.









