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 SI63AX850S Standard Cylinder Specifications
- Model: SI63AX850S
- Type: Double-acting pneumatic cylinder
- Bore size: Ø63 mm
- Stroke: 850 mm
- Mounting style: Basic type (MF1) with front/rear threaded mounting
- Operating pressure: 0.15-1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushioning: Adjustable air cushion (both ends)
- Material: Aluminum alloy barrel, hardened chromium-plated piston rod
- Seal material: NBR (Nitrile rubber)
- Port size: G1/8 (ISO standard)
- Protection rating: IP40 (standard dust protection)
- Weight: Approximately 3.2 kg (excluding accessories)
- Dimensions:
- Total length: ~1030 mm (stroke + cylinder body)
- Cylinder outer diameter: 76 mm
- Mounting hole spacing: 36 mm
- Piston rod diameter: Ø20 mm
- Height with rod: ~100 mm (from centerline)
High-thrust industrial cylinder optimized for long-stroke applications, featuring wear-resistant construction and precision honed inner tube. The hardened piston rod with multiple sealing layers ensures leak-proof operation in continuous duty cycles. Requires ISO VG32 hydraulic oil mist lubrication for optimal performance.
- Automated assembly line positioning systems
- Heavy-duty material handling equipment
- Press machine actuation mechanisms
- Automotive welding fixture operation
- Packaging machine pusher mechanisms

Property | Property Value |
---|---|
sku | SI63AX850S |
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 | 850 mm |
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.