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 SI40X440S Standard Cylinder Specifications
- Model: SI40X440S
- Bore size: 40 mm
- Stroke length: 440 mm
- Operation type: Double-acting
- Working pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Port size: Rc1/4 (G1/4 optional)
- Piston speed: 50–800 mm/s
- Ambient temperature: -20℃ to 80℃
- Seal material: NBR (Nitrile rubber)
- Body material: Aluminum alloy (anodized)
- Rod material: Chrome-plated carbon steel
- Weight: 4.8 kg (with rod)
- Dimensions: 540mm(L) × 80mm(W) × 80mm(H)
- Mounting options: Standard ISO 15552 (VDMA 24562) front flange, rear pivot
- Position detection: Pre-installed magnet for sensor mounting (S suffix)
- ISO standard compliance: 6432 (compact series)
High-precision industrial cylinder optimized for long-stroke applications requiring smooth linear motion. Features corrosion-resistant construction with hardened piston rod (Rockwell HRC 45-50) and low-friction seals. Requires 40μm filtered lubricated air (ISO 8573-1 Class 4.4.3) for optimal performance.
- Automated assembly line material handling
- Plastic injection molding ejector systems
- Textile machinery tension control
- Automotive welding fixture positioning
- Solar panel production line actuators
| Property | Property Value |
|---|---|
| sku | SI40X440S |
| 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 | 440mm |
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.









