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 SI40X350SN Standard Cylinder Specifications
- Model: SI40X350SN
- Bore size: 40mm
- Stroke: 350mm
- Operating pressure: 0.05–1.0 MPa
- Medium temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (no built-in mounts)
- Port size: Rc1/8 (G1/8 optional)
- Piston rod thread: M12×1.25
- Cylinder material: Aluminum alloy (anodized)
- Seal material: NBR/PU
- Protection rating: IP65
- Weight: 3.8kg ±2%
- Dimensions (L×W×H): 558mm × 50mm × 50mm
- Piston speed: 50–800mm/s (lubricated)
- Theoretical output (at 0.63MPa): 792N (push), 724N (pull)
High-rigidity ISO cylinder with precision honed tube and chrome-plated piston rod. Features dual adjustable pneumatic cushions for smooth end-of-stroke deceleration. The SN suffix indicates standard non-rotating rod design with single rod configuration. Requires ISO VG32 or equivalent hydraulic oil lubrication when used in high-cycle applications.
- Plastic injection molding machine ejectors
- Automated palletizing systems
- CNC machine tool clamping mechanisms
- Packaging line product positioning
- Automotive welding fixture actuators
| Property | Property Value |
|---|---|
| sku | SI40X350SN |
| Seal Material | NBR |
| 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 | 350mm |
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.









