2. Features wear-resistant Y-shaped axial sealing structure with cushioning function, extended service life, and low friction resistance;
3. Aluminum square tube profile with anodized tie rods for superior corrosion resistance;
4. Built-in adjustable pneumatic cushioning at both ends;
5. Multiple cylinder specifications and mounting accessories available for flexible configurations.
Category: Standard Cylinders | Brand: AirTAC | Series: SI40
AirTAC SI40X280S Standard Cylinder Specifications
- Model: SI40X280S
- Bore size: 40mm
- Stroke: 280mm
- Operating pressure: 0.15–1.0 MPa
- Temperature range: -20℃ to 80℃
- Port size: Rc1/4 (G1/4 optional)
- Cushioning: Adjustable pneumatic cushion
- Mounting type: Front flange (ISO 15552 standard)
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal type: NBR (Nitrile rubber)
- Protection rating: IP65 (Dust-tight & water jet resistant)
- Weight: 3.7kg ±2% (without accessories)
- Dimensions: 406mm(L) × 50mm(W) × 50mm(H) (Extended length)
- Retracted length: 126mm
- Piston speed: 50–800mm/s
- Theoretical thrust: 1256N @0.5MPa
A heavy-duty ISO-compliant pneumatic cylinder featuring precision honed tubing and dual anti-rotation guides. Optimized for long-stroke applications requiring consistent force output and minimal internal leakage. Includes magnetic piston for position sensing compatibility (sensor not included).
- Automated assembly line part transfer systems
- Die-casting machine ejection mechanisms
- Plastic injection molding clamp units
- Automotive welding fixture positioning
- Packaging machine lid pressurization
| Property | Property Value |
|---|---|
| sku | SI40X280S |
| 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 | PT1/4 |
| Piston Rod Material | Medium Carbon Steel |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 280mm |
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.









