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 SI40BX400 Standard Cylinder Specifications
- Model: SI40BX400
- Bore size: 40mm
- Stroke: 400mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic (axial mounting with through holes)
- Port size: M5x0.8 (standard) / optional NPT1/8
- Piston rod thread: M12x1.25
- Ambient temperature: -10℃ to 80℃
- Tube material: Aluminum alloy (hard anodized)
- Seal material: NBR (nitrile butadiene rubber)
- Piston rod material: Chrome-plated carbon steel
- Weight: 2.35kg ±3% (without accessories)
- Dimensions:
- Total length: 640mm (stroke 400mm + cylinder body 240mm)
- Body diameter: 53mm
- Mounting face width: 28mm
- Rod end thread length: 20mm
High-precision ISO cylinder with dual-action operation, featuring corrosion-resistant construction and smooth stroke control. The BX series incorporates a magnetic piston for position sensing compatibility (sensor not included). Designed for 5000km service life under standard operating conditions. Requires 40μm filtered air with ISO VG32 lubricator oil (optional oil-free operation available).
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool part positioning
- Automotive welding fixture actuation
- Food packaging vertical lift systems
| Property | Property Value |
|---|---|
| sku | SI40BX400 |
| 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 | <400mm> |
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.









