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 SI63BX250 Standard Cylinder Specifications
- Model: SI63BX250
- Type: Double-acting pneumatic cylinder
- Bore size: 63 mm
- Stroke: 250 mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Piston rod diameter: 20 mm
- Port size: G1/8 (NPT1/4 optional)
- Operating temperature: -20℃ to 80℃
- Mounting style: Basic type (MF1), optional foot mounting (MP4) or flange mounting (MP2)
- Material: Aluminum alloy barrel, hardened steel piston rod
- Seal material: NBR (nitrile rubber)
- Protection rating: IP65 (with wiper seal)
- Weight: 2.8 kg (±3%)
- Dimensions: 350mm(L) × 80mm(W) × 95mm(H) (extended length)
- Piston speed: 50–800 mm/s
- Lubrication: Required (ISO VG32 turbine oil recommended)
- Magnetic switch compatibility: D-A93 series (slot width 14mm)
A heavy-duty ISO 6432 compliant cylinder with chrome-plated piston rod for enhanced corrosion resistance. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration and built-in mounting threads (M6x1.0) on both end covers. Requires 40μm filtered compressed air with 1-10 mg/m³ oil mist content.
- Industrial automation assembly lines
- Material handling equipment
- Plastic injection molding machines
- Automotive welding fixtures
- Packaging machinery actuators
- Textile machinery tension control
| Property | Property Value |
|---|---|
| sku | SI63BX250 |
| 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 | Non-magnetic |
| Bore Diameter | 63mm |
| Stroke | <250MM> → <250mm> |
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.









