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 SI40X520S Standard Cylinder Specifications
- Model: SI40X520S
- Type: ISO 6432 compliant double-acting pneumatic cylinder
- Bore size: 40mm
- Stroke: 520mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Mounting style: Basic type (optional flange/mounting accessories available)
- Port size: M5x0.8 (G1/8 adaptor included)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated carbon steel
- Cylinder tube: Anodized aluminum alloy
- Seal material: Heat-resistant NBR
- Weight: Approx. 3.8kg (excluding accessories)
- Dimensions: 650mm(L) × 70mm(W) × 80mm(H)
- Rod end threading: M10x1.25
- Maximum speed: 500–800 mm/s (with cushioning)
- Lubrication: Pre-lubricated (Oil-free operation possible)
The SI40X520S features a rugged anodized body with triple sealing protection, designed for extended stroke applications requiring precise linear motion. Its dual adjustable cushioning system minimizes impact at stroke ends, while the chrome-plated piston rod resists wear in high-cycle operations. The cylinder comes with magnetic piston (SI-M series optional) for position sensing compatibility.
- Automated assembly line material handling
- Woodworking machinery clamping devices
- Plastic injection molding ejection systems
- Automotive welding fixture positioning
- Long-stroke packaging equipment actuators
| Property | Property Value |
|---|---|
| sku | SI40X520S |
| 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 | 520mm |
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.









