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 SI63X250H Standard Cylinder Technical Details
- Model: SI63X250H
- Type: ISO 6432 compliant double-acting cylinder
- Bore size: Ø63mm (±0.1mm tolerance)
- Stroke: 250mm (adjustable cushioning)
- Operating pressure: 0.05-1.0 MPa
- Temperature range: -20℃ to 80℃ (dry air required below 0℃)
- Cushioning type: Adjustable rubber buffers at both ends
- Mounting: Standard ISO 15552 foot & flange mounts
- Port size: G1/8 (NPT1/8 optional)
- Piston rod thread: M16×1.5 (external)
- Material: Aluminum alloy barrel, hardened steel rod
- Seals: HNBR/NBR compound seals (oil & heat resistant)
- Weight: ~2.85kg (without accessories)
- Dimensions: 250mm stroke length × 63mm bore × 89mm height (mounting face)
- Max speed: 500-800mm/s (with cushioning)
- Lubrication: Pre-lubricated (relubrication interval: 2,000km)
High-duty pneumatic cylinder featuring chromium-plated piston rod and multi-layer seal system. The H-suffix indicates heavy-duty construction with 20% increased lateral load capacity compared to standard SI63 models. Includes magnetic piston for sensor compatibility (magnet position: 4mm below rod end).
- Automated assembly line clamping mechanisms
- Stamping press ejection systems
- Plastic injection molding machine core pulls
- Packaging machine lid pressurization
- Foundry equipment door actuators
| Property | Property Value |
|---|---|
| sku | SI63X250H |
| Seal Material | FKM |
| 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 | Medium Carbon Steel |
| 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.









