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 SI40AX300S Standard Cylinder Specifications
- Model: SI40AX300S
- Bore size: 40mm
- Stroke: 300mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Front flange (AX series)
- Port size: Rc1/4 (G1/4 optional)
- Piston material: Die-cast aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (Cr-Mo)
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Max thrust: 126N @0.5MPa
- Max speed: 500mm/s
- Weight: 2.65kg ±5%
- Dimensions: 406mm(L) × 58mm(W) × 58mm(H)
- Rod thread: M10×1.25
- Protection rating: IP65 (with wiper)
High-precision ISO-standard pneumatic cylinder featuring low friction design and anti-rotation mechanism. The chrome-plated piston rod resists side loads up to 15% of maximum thrust. Built-in magnetic sensor slots (M5×0.8 threaded) for position feedback devices. Requires 15-68 cSt viscosity lubricant for optimal performance.
- Automated assembly line clamping units
- Packaging machine ejector systems
- Textile machinery tension control
- Automotive welding fixture positioning
- Plastic injection molding machine core pulling
| Property | Property Value |
|---|---|
| sku | SI40AX300S |
| 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 | 300mm |
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.









