Airtac SI63 Standard Cylinder SI63BX250S
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 SI63BX250S Standard Cylinder Specifications
- Model: SI63BX250S
- Type: Double-acting pneumatic cylinder (ISO 6432 standard)
- Bore size: 63 mm
- Stroke: 250 mm
- Operating pressure: 0.1–0.9 MPa
- Cushion type: Adjustable rubber buffer at both ends
- Rod thread: M16×1.5
- Port size: 1/4" NPT (G1/4 optional)
- Material:
- Tube: Hard anodized aluminum alloy
- Piston rod: Chrome-plated steel (Cr-Mo)
- Seals: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Lubrication: Pre-lubricated (ISO VG32 recommended for maintenance)
- Weight: 3.8 kg ±2%
- Dimensions:
- Total length (retracted): 390 mm
- Body diameter: 80 mm (hexagonal cross-section)
- Mounting center distance: 50 mm (front flange)
- Rod end thread length: 20 mm
- Protection rating: IP65 (standard wiper seal)
- Max theoretical thrust:
- 1,960 N @ 0.63 MPa
- 2,800 N @ 0.9 MPa
A heavy-duty ISO-standard pneumatic cylinder featuring corrosion-resistant construction and precision honed tube. The dual adjustable cushioning system minimizes end-impact noise while allowing 5-stage damping adjustment. Compatible with all standard pneumatic mounting accessories (MF1/MF2/MF3 series).
- Automated material handling systems
- Press machine ejection mechanisms
- Packaging line pusher assemblies
- Automotive welding fixture positioning
- Food processing conveyor gate controls
Installation note:
For vertical mounting, use at least 2 M8 mounting bolts (tension strength ≥6,000 N).
Lubricate rod every 500 km of cumulative travel. Avoid side load exceeding 150 N.
| Property | Property Value |
|---|---|
| sku | SI63BX250S |
| 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 | <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.