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 SI40AX155S Standard Cylinder Specifications
- Model: SI40AX155S
- Type: Double-acting pneumatic cylinder
- Bore size: 40 mm
- Stroke: 155 mm (±1.5mm tolerance)
- Operating pressure: 0.05-1.0 MPa
- Piston speed: 50-800 mm/s
- Cushioning: Adjustable elastic cushion (both ends)
- Port size: Rc1/8 (G1/8 optional)
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Aluminum alloy (6063-T5)
- Seal material: NBR (Nitrile rubber)
- Weight: 1.85 kg ±3%
- Dimensions:
- Total length: 271 mm (stroke 155 + 116mm base length)
- Width (mounting face): 42 mm
- Height (including accessories): 63 mm
- ISO standard: Compliant with ISO 6432 (mounting dimensions)
The SI40AX155S features a space-saving design with integrated mounting slots for flexible installation. Its anodized aluminum construction resists corrosion while maintaining precise dimensional stability. The dual adjustable cushions minimize impact noise and vibration at stroke ends, with cushion needles providing 5mm adjustment range. The magnetic piston version (SI40AMX155S) is available for position sensing.
- Packaging machinery clamp positioning
- CNC machine tool door actuators
- Automated assembly line part transfer
- Printing press paper feed mechanisms
- Plastic injection molding ejector systems
| Property | Property Value |
|---|---|
| sku | SI40AX155S |
| 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 | 155mm |
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.









