Airtac SI63 Standard Cylinder SI63AX85
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 SI63AX85 Standard Cylinder Specifications
- Model: SI63AX85
- Type: ISO 6432 compliant single-acting spring return cylinder
- Bore size: 63mm (±0.1mm manufacturing tolerance)
- Stroke: 85mm (adjustable stroke cushioning)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃ (NBR seals)
- Cushion type: Air cushion + rubber buffer
- Port size: G1/8 (ISO 228-1 standard)
- Piston rod thread: M16×1.5 (external)
- Material: Aluminum alloy barrel (anodized), CR12MoV piston rod
- Seal material: High-grade NBR (nitrile butadiene rubber)
- Protection rating: IP54 (standard), IP67 optional
- Weight: 2.8kg (without accessories)
- Dimensions:
- Length: 230mm (minimum retracted length)
- Width: 82mm (mounting bracket included)
- Height: 82mm (square body profile)
High-precision industrial cylinder with dual cushioning system, featuring corrosion-resistant construction and precision honed inner tube (Ra≤0.2μm). The self-lubricating guide bush reduces wear, suitable for 500km+ service life under standard conditions. Requires 40μm filtered air with ISO 8573-1:2010 Class 3.4.2 air quality.
- Automated assembly line clamping mechanisms
- Plastic injection molding machine ejectors
- CNC machine tool positioning systems
- Food processing conveyor gate controls
- Automotive welding fixture actuators
Installation note:
Lubricate with ISO VG32 hydraulic oil before initial use.
Allow 15mm clearance around cylinder body for heat dissipation.
Vertical mounting preferred for optimal seal life (max 5° deviation allowed).
| Property | Property Value |
|---|---|
| sku | SI63AX85 |
| 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 | 85mm |
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.