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 SI63BX85S Standard Cylinder Specifications
- Model: SI63BX85S
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: Ø63 mm
- Stroke: 85 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable rubber buffer (both ends)
- Port size: G1/8 (M5 optional)
- Mounting style: Basic foot mounting (MF1)
- Piston rod thread: M16×1.5
- Temperature range: -20℃ to 80℃
- Body material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: 2.3 kg ±5%
- Dimensions (L×W×H): 245×76×76 mm (at mid-stroke)
- Max theoretical force: 313.7N @0.5MPa (extending)
- Max speed: 500 mm/s
- Protection rating: IP54 (standard)
A high-rigidity compact cylinder with corrosion-resistant construction, featuring dual piston seals for enhanced leakage prevention. The precision-machined inner bore ensures smooth operation with ≤0.5mm lateral play. Requires ISO 8573-1 class 3 or cleaner compressed air with 1-50μm filtration.
- Automated assembly line clamping mechanisms
- Printing press paper feed systems
- Plastic injection molding ejectors
- Food processing conveyor gate controls
- Automotive welding fixture positioning
- Service life: 5,000 km (NBR seals) / 8,000 km (optional PU seals)
- Breakaway pressure: ≤0.08 MPa
- Air consumption: 3.8 L/stroke @0.5MPa
- Re-pressurization time: 0.12s @0.6MPa
| Property | Property Value |
|---|---|
| sku | SI63BX85S |
| 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 | SUS304 |
| Magnet | S-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.









