Airtac SI40 Standard Cylinder SI40X255S
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 SI40X255S Standard Cylinder Specifications
- Model: SI40X255S
- Bore diameter: 40 mm
- Stroke: 255 mm
- Operating pressure: 0.15–1.0 MPa
- Medium temperature: -20℃ to 80℃
- Cushion type: Adjustable pneumatic cushion (both ends)
- Seal material: NBR + Polyurethane
- Port size: M5x0.8 (standard) / G1/8 optional
- Piston rod thread: M12x1.25
- Operation direction: Double-acting
- Mounting type: Front flange (ISO 15552 standard)
- Weight: 2.85 kg (without accessories)
- Dimensions: 393mm(L) × 70mm(W) × 82mm(H)
- Rod end type: Female thread + hex nut
- Max theoretical thrust: 125.6 N @ 0.63 MPa
- Lubrication: Pre-lubricated (Oil-free operation possible)
- Protection class: IP65 (with wiper seal)
High-precision ISO cylinder with corrosion-resistant aluminum alloy construction. Features dual adjustable cushions for smooth end-of-stroke deceleration and reduced impact noise. The S-series variant includes integrated mounting slots for magnetic sensors (sensor not included). Compatible with ISO 15552 mounting accessories.
- Automated production line material handling
- Plastic injection molding machine ejectors
- Automotive assembly clamping systems
- Packaging machine pusher mechanisms
- Textile machinery tension control
Installation notes:
- Align cylinder axis with motion direction within ±0.5° tolerance
- Maintain 0.5-1mm clearance between rod end and load during mounting
- For vertical installations, use locknut (ASNU12) to prevent unscrewing
| Property | Property Value |
|---|---|
| sku | SI40X255S |
| 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 | 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.