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 SI40X240S Standard Cylinder Specifications
- Model: SI40X240S
- Type: ISO 6432 compliant double-acting pneumatic cylinder
- Bore size: 40 mm
- Stroke: 240 mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable air cushion at both ends
- Mounting style: Basic type (axial mounting holes)
- Port size: M5x0.8 (G1/8 optional)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated carbon steel (HRA 70-80)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber) with wear-resistant ring
- Weight: 2.3 kg (without accessories)
- Dimensions: 40mm (Ø) × 470mm (L) (Cushion adjusted to midpoint)
- Max theoretical thrust: 125.6 N @ 0.63 MPa
- Standard speed: 50–800 mm/s
- ISO classification: TDMI (non-rotating piston rod)
- Protection rating: IP65 (with wiper seal)
The SI40X240S offers precision linear motion for industrial automation, featuring enhanced wear resistance through dual chromium plating on the piston rod. Its optimized air cushion design reduces end-impact noise by 15dB compared to basic models. Requires ISO 8573-1:2010 Class 3 lubricated or non-lubricated air.
- Press machine ejection systems
- Automated assembly line positioning
- Packaging equipment clamping mechanisms
- Plastic injection molding machine core pulls
- Material handling transfer units
| Property | Property Value |
|---|---|
| sku | SI40X240S |
| 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 | 240mm |
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.









