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 SI40BX240 Standard Cylinder Specifications
- Model: SI40BX240
- Bore size: 40mm
- Stroke: 240mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Double stud mounting (ISO 15552 compliant)
- Port size: M5x0.8 (standard), G1/8 optional
- Operating temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated carbon steel
- Cylinder tube: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: Approx. 2.8kg (with standard accessories)
- Dimensions:
- Extended length: 486mm (base length 246mm + stroke)
- Width: 58mm (mounting bracket included)
- Height: 58mm (square body profile)
A heavy-duty ISO cylinder featuring robust anodized aluminum construction with 1.5mm thick cylinder walls. The SI40BX240 combines high thrust force (max 1256N at 0.8MPa) with precision control through dual adjustable cushions. The triple-seal design (rod seal, buffer seal, and wiper) ensures IP65 protection rating compliance. Includes magnetic piston for position sensing compatibility.
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- Steel mill conveyor gate actuators
- Automotive welding fixture positioning
- Packaging machine vertical lift systems
- Piston speed range: 50–800mm/s
- Maximum side load capacity: 150N
- Repeat positioning accuracy: ±0.5mm
- Service life: 5,000km travel distance (NBR seals)
| Property | Property Value |
|---|---|
| sku | SI40BX240 |
| 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 | SUS304 |
| Magnet | Non-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.









