Description
1. ISO15552 (formerly ISO6431) compliant standard cylinder
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
Installation guidelines:
Use M6 mounting screws with 8.8 grade minimum. Maintain 0.3-0.6 MPa lubrication pressure.
For vertical mounting, install lock nut (AN63) to prevent rod rotation. Allow 15mm clearance for stroke extension.
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 SI63AX20 Standard Cylinder Technical Specifications
- Model: SI63AX20
- Bore size: Ø63 mm
- Stroke: 20 mm (customizable up to 500 mm)
- Operating pressure: 0.1–0.9 MPa (14.5–130.5 PSI)
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic mounting (with optional front flange/feet)
- Port size: G1/4 (BSPP thread) / 1/4 NPT optional
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile) standard / PU optional
- Operating temperature: -20℃ to +80℃ (-4°F to +176°F)
- Lubrication: Pre-lubricated (maintenance-free)
- Weight: 1.45 kg (3.2 lbs)
- Dimensions (L×W×H): 132mm × 80mm × 80mm (at mid-stroke)
- ISO standard: 6432 (VDI 2453 compliant)
- Protection class: IP65 (dust-tight & water jet resistant)
A high-performance ISO cylinder featuring double-acting operation with 0.5mm/s to 1.5m/s speed range. Precision honed tube ensures ≤0.15mm bore tolerance. Equipped with magnetic piston (SI63AX20-M9 for sensor-ready version). Meets 500,000+ cycle lifespan under rated conditions.
Industrial Applications:
- Automated assembly line clamping mechanisms
- Plastic injection molding ejectors
- CNC machine tool positioning systems
- Material handling lift-and-press operations
- Packaging equipment sealing actuators

Property | Property Value |
---|---|
sku | SI63AX20 |
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 | SUS420J2 |
Magnet | Non-magnetic |
Bore Diameter | 63mm |
Stroke | <20mm> |
Shipping policies
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.
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