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 SI40BX1120S Standard Cylinder Specifications
- Model: SI40BX1120S
- Bore size: 40mm
- Stroke: 1120mm (adjustable stroke version available)
- Operating pressure: 0.05–1.0 MPa
- Piston speed: 50–1000 mm/s
- Ambient temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1) with front flange
- Port size: G1/4 (NPT1/4 optional)
- Piston rod thread: M12×1.25
- Material: Aluminum alloy barrel, hardened chromium-plated rod
- Seal type: NBR + PU combination seals
- Weight: 5.8kg ±3% (without accessories)
- Dimensions: 1380mm(L) × 62mm(W) × 62mm(H) (full extension)
- ISO standard: ISO 6432 compliant
- Protection rating: IP65 (rod seal area)
High-precision long-stroke pneumatic cylinder with exceptional side load capacity (up to 150N lateral force). Features double-sealed bearing bushes and wear-resistant rod coating for extended service life. The reinforced piston design minimizes deflection during full extension, making it ideal for precision positioning tasks. Requires 5-40μm filtered lubricated air (ISO 8573-1 class 4).
- Automated material handling systems (palletizers/stackers)
- Paper converting machinery tension control
- Automotive assembly line clamping fixtures
- Textile machinery thread guide positioning
- Large-format 3D printer Z-axis actuators
| Property | Property Value |
|---|---|
| sku | SI40BX1120S |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 1120mm |
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.









