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 SI40X255 Standard Cylinder Specifications
- Model: SI40X255
- Bore size: 40 mm
- Stroke: 255 mm
- Operating pressure: 0.15–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting style: Basic type (MF1) with foot mounting
- Port size: G1/8 (M5×0.8 optional)
- Piston rod thread: M12×1.25
- Cylinder material: Aluminum alloy (anodized)
- Rod material: Carbon steel (hard chrome plated)
- Seal material: NBR (Nitrile rubber)
- Weight: 2.65 kg ±3%
- Dimensions (L×W×H): 392mm × 50mm × 50mm (full extension length)
- Repeat positioning accuracy: ±0.5 mm
- Sensor compatibility: With magnet (standard P01S sensor slot)
A high-rigidity ISO15552 compliant cylinder featuring optimized air cushion design for smooth stroke termination. The double-sealed construction with integrated wiper prevents debris ingress in harsh environments. The chrome-plated piston rod withstands 1,000 km wear test under ISO 4393 standards.
- Automated production line positioning systems
- Plastic injection molding machine ejectors
- Automotive welding fixture clamping
- Food processing conveyor gate controls
- Printing press paper feed mechanisms
| Property | Property Value |
|---|---|
| sku | SI40X255 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 255mm |
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.









