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 SI63X125SFTC Standard Cylinder Specifications
- Model: SI63X125SFTC
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: 63 mm
- Stroke: 125 mm (±0.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Mounting style: Front flange with tie-rod (NF series)
- Port size: 1/4" NPT (G1/8 optional)
- Piston rod thread: M16×1.5
- Ambient temperature: -20℃ to 80℃
- Tube material: Aluminum alloy (hard anodized)
- Rod material: Chrome-plated carbon steel (HRC 40-50)
- Seal material: NBR (nitrile rubber)
- Weight: 2.3 kg (excluding accessories)
- Dimensions (L×W×H):
- Extended length: 250 mm
- Retracted length: 125 mm
- Flange width: 85 mm
- Overall height (with rod): 98 mm
A heavy-duty ISO-standard pneumatic cylinder featuring corrosion-resistant construction and precision honed bore. The SI63 series combines high thrust force (1,960N at 0.63MPa) with smooth operation, utilizing dual adjustable air cushions to minimize end-impact noise. The TC suffix indicates special treatment for high-cycle applications.
- Plastic injection molding machine ejectors
- Automated assembly line clamping units
- Packaging machinery compression systems
- Foundry equipment with dusty environments
- Palletizing robots requiring consistent force output
| Property | Property Value |
|---|---|
| sku | SI63X125SFTC |
| 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 | 125mm |
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.









