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 SI63BX300S Standard Cylinder Specifications
- Model: SI63BX300S
- Bore size: 63mm
- Stroke: 300mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Operating temperature: -20℃ to 80℃
- Port size: Rc1/4 (G1/4 optional)
- Mounting type: Basic type (no flange)
- Piston rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: Approximately 2.8kg
- Dimensions:
- Total length (L): 442mm (at mid-stroke)
- Width (W): 82mm (including mounting bosses)
- Height (H): 95mm (piston rod retracted)
- Max theoretical thrust: 3120N @ 1.0MPa
- Rod thread: M20×1.5
- Protection rating: IP54 (standard seals)
A heavy-duty ISO cylinder with exceptional side load capacity, featuring double-layer sealing for enhanced leak prevention. The SI63BX300S combines high moment resistance (up to 45N·m) with precision-guided piston movement (±0.5mm repeatability). Optimized for continuous operation cycles with 2,000km+ service life under standard conditions.
- Automated material handling systems
- Plastic injection molding ejectors
- Automotive assembly line fixtures
- Industrial press feeding mechanisms
- Packaging machine vertical lifts
- Max side load: 150N (static), 80N (dynamic)
- Max piston speed: 1,000mm/s (cushioned)
- Breakaway pressure: ≤0.08MPa
| Property | Property Value |
|---|---|
| sku | SI63BX300S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | 63mm |
| Stroke | 300mm |
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.









