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 SI40AX240S Standard Cylinder Specifications
- Model: SI40AX240S
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 240mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable pneumatic cushion (both ends)
- Mounting style: Front flange (MF1) with rear foot mounting (optional)
- Port size: G1/8 (NPT1/4 optional)
- Piston rod thread: M16×1.5 (external)
- Operating temperature: -20℃ to 80℃
- Seal material: NBR (Nitrile) with wear-resistant ring
- Ambient humidity: ≤95% RH (non-condensing)
- Weight: 2.3kg (without accessories)
- Dimensions: 300mm(L) × 40mm(Bore) × 82mm(H with mounting flange)
- Rod end type: Female thread + hex nut
- Protection rating: IP65 (standard wiper seal)
- Max theoretical force: 126N at 0.5MPa (extending)
- Sensor compatibility: M9/M12 proximity switches (grooved mounting)
A high-performance ISO-standard pneumatic cylinder optimized for medium-load applications requiring extended stroke precision. Features dual adjustable air cushions for smooth end-of-stroke deceleration and integrated mounting grooves for flexible sensor installation. The hard-anodized aluminum tube ensures corrosion resistance in humid environments.
- Automated assembly line positioning systems
- Packaging machine ejector mechanisms
- CNC machine tool clamping devices
- Plastic injection molding auxiliary equipment
- Agricultural machinery actuation systems
- Max side load: ≤15% of theoretical thrust
- Max piston speed: 0.1–1.5 m/s (optimal range 0.3–0.8 m/s)
- Air quality requirement: 40μm filtration, lubricated or non-lubricated
| Property | Property Value |
|---|---|
| sku | SI40AX240S |
| 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 | SUS420J2 |
| 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.









