Airtac SI40 Standard Cylinder SI40X785S
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 SI40X785S Standard Cylinder Specifications
- Model: SI40X785S
- Bore size: 40mm
- Stroke: 785mm
- Operating pressure: 0.1–0.9 MPa
- Cushioning type: Adjustable pneumatic cushion (both ends)
- Mounting style: Basic MF1 (foot-mounted) with standard accessories
- Port size: G1/4 (ISO standard thread)
- Piston rod material: Hard chrome-plated steel (Cr-Mo)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Operating temperature: -20℃ to +80℃
- Weight: 5.8kg (with cushion screws and rod wiper)
- Dimensions: 885mm(L) × 52mm(W) × 52mm(H)
- Protection rating: IP65 (dust-tight & protected against water jets)
- Lubrication: Pre-lubricated (optional oil-free operation available)
- Max theoretical thrust: 113kgf @0.63MPa
A heavy-duty long-stroke pneumatic cylinder featuring wear-resistant construction and precision honed tube. The dual adjustable cushioning system minimizes impact at stroke ends, while the multi-layered sealing ensures leak-free operation even under continuous cycling. Designed for applications requiring extended linear motion with consistent force output.
- Automated assembly line material handling
- Press machine ejection systems
- Textile machinery tension control
- Automotive welding fixture positioning
- Packaging equipment pusher mechanisms
Installation note:
For strokes exceeding 500mm, use intermediate support brackets every 300-400mm
to prevent rod deflection. Maintain 0.5-1mm alignment tolerance during mounting.
Lubricate rod weekly in high-cycle applications (>500 cycles/day).
| Property | Property Value |
|---|---|
| sku | SI40X785S |
| 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 | 785mm |
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.