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 SI40AX550S Standard Cylinder Specifications
- Model: SI40AX550S
- Type: ISO 15552 compliant double-acting cylinder
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 550mm (adjustable cushioning)
- Operating pressure: 0.05–1.0 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Port size: G1/8 (NPT1/8 optional)
- Mounting style: Basic foot mounting (ISO 15552 MF1)
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile) with wear-resistant ring
- Magnetic switch: Pre-installed (2 sensors, PNP output)
- Weight: 3.85kg ±2% (with rod and mounting accessories)
- Dimensions:
- Length: 735mm (full extension)
- Body diameter: 40mm ±0.5mm
- Rod diameter: 16mm
- Mounting hole spacing: 50mm × 32mm
- Max theoretical force:
- 1,256N @ 1.0MPa (extending)
- 1,100N @ 1.0MPa (retracting)
- Protection rating: IP65 (rod seal)
High-precision industrial cylinder with exceptional lateral load capacity (up to 150N) and 5,000km service life rating. Features integrated shock absorption and corrosion-resistant construction. Optimized for smooth operation at speeds up to 1.2m/s. Requires ISO 8573-1:2010 Class 3-4-3 compressed air quality.
- Automated assembly line material handling
- Plastic injection molding machine ejectors
- Textile machinery tension control systems
- Automotive welding fixture positioning
- Packaging machine vertical lift mechanisms
| Property | Property Value |
|---|---|
| sku | SI40AX550S |
| 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 | 550mm |
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.









