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 SI63BX275 Standard Cylinder Specifications
- Model: SI63BX275
- Type: Double-acting pneumatic cylinder
- Bore size: 63mm
- Stroke length: 275mm
- Operating pressure: 0.15–0.8 MPa
- Temperature range: -20℃ to 80℃
- Port size: 1/4" NPT (G1/8 optional)
- Cushioning type: Adjustable air cushion
- Seal material: NBR (Nitrile rubber)
- Mounting style: Standard ISO 15552 front flange
- Weight: 2.8kg (with rod)
- Dimensions: 350mm(L) × 80mm(W) × 82mm(H)
- Rod thread: M16×1.5
- Max theoretical force: 1,961N @0.5MPa
- Piston speed: 50–750mm/s
- ISO compatibility: ISO 15552 (previously ISO 6431)
High-precision industrial cylinder with chrome-plated piston rod and aluminum alloy body. Features dual adjustable cushioning for smooth end-of-stroke deceleration. Optional magnetic piston version (SI63BX275-M9) available for position sensing. Requires 40μm filtered air with lubrication (ISO VG32 recommended).
- Automated assembly line clamping mechanisms
- Packaging machine ejector systems
- Plastic injection molding machine part extractors
- Material handling conveyor gate actuators
- Automotive welding fixture positioning
| Property | Property Value |
|---|---|
| sku | SI63BX275 |
| 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 | 275mm |
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.









