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 SI63X645S Standard Cylinder Specifications
- Model: SI63X645S
- Bore size: 63 mm
- Stroke: 645 mm
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable air cushion (both ends)
- Seal material: NBR (Nitrile Butadiene Rubber)
- Port size: G1/4 (ISO standard)
- Piston speed: 50–800 mm/s
- Mounting type: Front/rear flange (ISO 15552 compliant)
- Rod end type: External thread M20×1.5
- Weight: 2.65 kg (without rod)
- Dimensions: 895mm(L) × 80mm(W) × 80mm(H) (full extension)
- Corrosion resistance: Chromium-plated rod (3-5μm thickness)
- ISO standard: 15552 (formerly ISO 6431)
High-precision long-stroke pneumatic cylinder with exceptional lateral load capacity, featuring wear-resistant construction and smooth operation through precision honed tubing. The dual adjustable cushions prevent impact damage at stroke ends. Compatible with magnetic sensors for position feedback (sensor groove according to ISO 6432).
- Automated assembly line material handling
- Die-casting machine ejection systems
- Automotive welding fixture positioning
- Packaging machinery pusher mechanisms
- Industrial press feeding devices
| Property | Property Value |
|---|---|
| sku | SI63X645S |
| 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 | 645mm |
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.









