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 SI40AX40S Standard Cylinder Specifications
- Model: SI40AX40S
- Type: Double-acting single piston rod cylinder
- Bore size: 40 mm
- Stroke: 40 mm (customizable 25-500 mm)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable elastic cushion (both ends)
- Mounting style: Basic type (axial mounting holes)
- Port size: M5x0.8 (Rc1/8/NPT1/8 optional)
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Tube material: Aluminum alloy with hard anodization
- Rod material: Chrome-plated carbon steel
- Seal material: NBR (nitrile rubber)
- Weight: 0.85 kg (bare cylinder, 40mm stroke)
- Dimensions (L×W×H):
- Stroke length impact: 181mm (40mm stroke variant)
- Body diameter: 40mm (tube OD 50mm)
- Mounting hole spacing: 30mm (axial) × 20mm (radial)
- ISO standard: 6432 (32-320mm bore compatibility)
A workhorse cylinder featuring wear-resistant chromium plating and precision honed tubing. The dual adjustable cushioning system minimizes end-impact noise while maintaining positioning accuracy (±0.5mm repeatability). Compatible with all standard ISO mounting accessories. Lubricator recommended for dry gas operations.
- Cartesian robot Z-axis actuation
- Plastic injection molding ejectors
- CNC machine tool clamping systems
- Automotive welding fixture positioning
- Beverage canning line gate controls
| Property | Property Value |
|---|---|
| sku | SI40AX40S |
| 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 | <40mm> |
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.









