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 SI63X420STC Standard Cylinder Technical Specifications
- Model: SI63X420STC
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 63 mm
- Stroke: 420 mm (±0.5 mm tolerance)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable pneumatic cushion (STC suffix)
- Mounting type: Standard foot & front flange (switchable)
- Port size: G1/8 (Rc1/8 optional)
- Piston rod thread: M16×1.5 (external)
- Ambient temperature: -20℃ to 80℃
- Material: Aluminum alloy barrel, chrome-plated steel rod
- Seal material: NBR (nitrile) standard / PU optional
- Protection rating: IP54 (standard) / IP67 w/ wiper upgrade
- Weight: 3.8 kg (±5%)
- Dimensions: 558mm(L) × 80mm(W) × 80mm(H) (retracted)
- Max theoretical force: 312N @ 0.63MPa
- Piston speed: 50-750 mm/s (optimal range)
High-performance industrial cylinder designed for heavy-duty linear motion applications. Features dual corrosion-resistant coatings (rod & barrel) and integrated magnetic sensor slots (Φ8×3.5mm) for position feedback. The STC variant includes tunable end dampers reducing impact noise by 15dB compared to basic models.
- Automated assembly line clamping systems
- Plastic injection molding ejectors
- Sheet metal punching press actuators
- Automotive welding fixture positioning
- Palletizing robot arm extensions
| Property | Property Value |
|---|---|
| sku | SI63X420STC |
| 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 | 420mm |
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.









