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 SI40X620S Standard Cylinder Specifications
- Model: SI40X620S
- Bore size: 40 mm
- Stroke: 620 mm
- Operation type: Double-acting
- Working pressure range: 0.15–1.0 MPa
- Cushioning type: Adjustable pneumatic cushioning (both ends)
- Port size: G1/8 (NPT1/8 optional)
- Mounting options: Front/rear flange, foot mounting, or trunnion
- Piston rod material: Hard chrome-plated stainless steel (SUS304)
- Cylinder tube: Anodized aluminum alloy
- Seal material: Heat-resistant NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Protection rating: IP65 (dust-tight & water jet resistant)
- Weight: 3.8 kg ±5% (excluding accessories)
- Dimensions: 720mm(L) × 50mm(W) × 50mm(H) (full extension)
- Max theoretical thrust: 1256N @ 1.0 MPa
- Piston speed: 50–800 mm/s (lubricated condition)
A heavy-duty long-stroke cylinder with enhanced load capacity, featuring precision-machined guides for anti-rotation stability. The wear-resistant design incorporates dual sealing rings and chrome-plated piston rods for >3,000km service life. Requires ISO 8573-1:2010 Class 3 lubricated air (40μm filtration).
- Automated assembly line material transfer systems
- Industrial press ejection mechanisms
- Packaging machine clamp positioning
- Foundry equipment door actuators
- Solar panel array positioning systems
| Property | Property Value |
|---|---|
| sku | SI40X620S |
| 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 | 620MM |
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.









