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 SI63X275S Standard Cylinder Technical Specifications
- Model: SI63X275S
- Bore size: Ø63 mm
- Stroke: 275 mm
- Operation type: Double acting
- Working pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: Rc1/4 (G1/4 optional)
- Piston rod thread: M16×1.5
- Tube material: Aluminum alloy (hard anodized)
- Seal material: NBR (nitrile rubber)
- Mounting type: Basic type (multiple mounting options available: FB, MP4, etc.)
- Weight: 3.8 kg (without accessories)
- Dimensions (L×W×H):
- Extended length: 561 mm
- Retracted length: 286 mm
- Body width: 80 mm
- Height with mounting: 112 mm
- Protection class: IP65 (dust-tight & protected against water jets)
- Piston speed: 50-750 mm/s (optimal range 150-500 mm/s)
High-thrust industrial cylinder designed for heavy-duty linear motion applications. Features precision honed tube with wear-resistant coating and dual adjustable cushions for smooth deceleration. The anodized surface treatment provides corrosion resistance in humid environments. Includes built-in magnet for sensor mounting (SI-M series sensors compatible).
- Automated material handling systems
- Plastic injection molding machine ejectors
- Automotive assembly line positioning
- Press machine actuation systems
- Packaging equipment compression units
- Replace seals every 5 million cycles under normal load
- Inspect rod alignment every 6 months
- Max side load: ≤15% of maximum thrust capacity
- Re-lubrication interval: 3 months (continuous operation)
| Property | Property Value |
|---|---|
| sku | SI63X275S |
| 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 | 275mm |
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.









