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 SI63X20 Standard Cylinder Technical Specifications
- Model: SI63X20
- Bore size: Ø63 mm
- Stroke: 20 mm (±1mm tolerance)
- Operation type: Double-acting
- Working pressure: 0.05–1.0 MPa
- Medium temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Port size: G1/8 (NPT1/8 optional)
- Cushion type: Adjustable rubber buffer
- Seal material: Nitrile rubber (NBR)
- Rod material: Chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Weight: 0.85 kg (with standard accessories)
- Dimensions: 150mm(L) × 63mm(W) × 63mm(H)
- Mounting type: Basic front/rear flange (ISO 15552 compatible)
- Protection class: IP54 (standard seals)
The SI63X20 pneumatic cylinder delivers 314N thrust force at 0.5MPa pressure, featuring precision honed tube and dual anti-rotation guide rods for stable linear motion. Its compact profile with 20mm stroke enables high-speed cycling (up to 1,200 CPM) in confined spaces. Optional magnetic piston version (SI63X20-M9) supports position feedback.
- Clamping fixtures in CNC machining centers
- Ejector mechanisms in plastic injection molding
- Conveyor gate control in material handling systems
- Paper feeding devices in printing equipment
- Positioning stages in automated assembly lines

Property | Property Value |
---|---|
sku | SI63X20 |
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 | Non-magnetic |
Bore Diameter | 63mm |
Stroke | <20mm> |
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.