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:
Lubricate with ISO VG32 turbine oil before initial operation.
Maintain 0.5mm minimum clearance between rod end and load.
For vertical mounting, use counterbalance valves for load holding.
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 SI63AX20S Standard Cylinder Specifications
- Model: SI63AX20S
- Type: Double-acting with adjustable cushioning
- Bore size: 63 mm
- Stroke: 20 mm (customizable 10-500 mm)
- Operating pressure: 0.15-0.8 MPa
- Piston speed: 50-750 mm/s
- Ambient temperature: -20℃ to 80℃
- Buffer type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1) with standard foot mounting
- Port size: M5x0.8 (G1/8 optional)
- Rod material: Stainless steel (SUS304)
- Tube material: Aluminum alloy (hard anodized)
- Seal material: NBR (nitrile rubber)
- Weight: 1.8 kg (with 20mm stroke)
- Dimensions (L×W×H): 200×63×63 mm (basic length)
- Max theoretical thrust: 202 kgf (at 0.63 MPa)
- ISO standard: 6432
- Protection rating: IP54
A high-performance ISO-standard pneumatic cylinder featuring precision honed tube and chromed piston rod. The SI63 series delivers 18% greater thrust than conventional cylinders through optimized air chamber design. The built-in magnetic piston enables position sensing compatibility.
Typical Applications:
- Packaging machinery clamp positioning
- Automated assembly line actuators
- CNC machine tool door operators
- Material handling lift mechanisms
- Plastic injection molding ejectors

Service life:
3,000 km travel distance (NBR seals) or 50 million cycles under standard conditions.
Recommend rebuild kit SI63-MNT after 15,000 operating hours.
Property | Property Value |
---|---|
sku | SI63AX20S |
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 | S-Magnetic |
Bore Diameter | 63mm |
Stroke | <20mm> |
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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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