Airtac SI63 Standard Cylinder SI63AX250S
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 SI63AX250S Standard Cylinder Specifications
- Model: SI63AX250S
- Type: ISO 6432 compliant single-acting spring return cylinder
- Bore size: 63 mm
- Stroke: 250 mm
- Operating pressure: 0.15–0.8 MPa
- Medium temperature: -20℃ to 80℃
- Cushioning: Adjustable pneumatic cushion (both ends)
- Port size: G1/8 (ISO 228-1 standard)
- Piston rod thread: M16×1.5
- Mounting style: Basic type (optional flange/clevis/foot mounting)
- Material: Aluminum alloy barrel, hardened steel piston rod
- Seal type: NBR/PU seals (oil-resistant)
- Weight: 2.5 kg ±5% (without accessories)
- Dimensions: 450mm(L) × 63mm(Ø) × 63mm(H) (full extension)
- Stroke tolerance: +1.5mm
- Max theoretical force: 245N @0.8MPa
- Piston speed: 50–800 mm/s
High-duty pneumatic cylinder featuring chromium-plated piston rod with multi-layer seal system for leak-proof operation. The wear-resistant aluminum barrel incorporates precision honing process for smooth movement. Spring return mechanism provides fail-safe retraction with 50,000km minimum service life.
- Material handling gate actuators
- Stamping machine ejection systems
- Packaging line positioning devices
- Automotive assembly clamping units
- Industrial robot end-effector drives
Installation note:
Lubricate with ISO VG32 hydraulic oil before initial use.
Maintain 0.5mm minimum lateral clearance during alignment.
For vertical mounting, use spring-down orientation to prevent piston chatter.
- Relubricate every 500km of cumulative stroke
- Inspect rod seals every 3 months in high-humidity environments
- Replace cushion seals after 1 million cycles
| Property | Property Value |
|---|---|
| sku | SI63AX250S |
| 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 | <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.