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 SI40X820STC Standard Cylinder Specifications
- Model: SI40X820STC
- Bore size: Ø40 mm
- Stroke: 820 mm
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Port size: G1/4 (ISO standard)
- Piston rod thread: M12×1.25
- Mounting style: Basic type (standardized front/rear flange options)
- Cylinder tube material: Aluminum alloy (hard anodized)
- Piston rod material: Chrome-plated steel (S45C)
- Seal material: NBR (Nitrile rubber)
- Weight: 5.2 kg ±2% (without accessories)
- Dimensions: 920mm(L) × 50mm(W) × 50mm(H) (full extension length)
- Lubrication: Pre-lubricated (recommended relubrication every 500km stroke)
- IP rating: IP40 (dust protected)
High-precision industrial cylinder with extended stroke capability, featuring double-acting operation and magnetic piston for position sensing. The hard-anodized barrel provides exceptional wear resistance in continuous duty cycles. Includes auto-switch compatibility (sensors sold separately) and meets ISO 6432 mounting standards.
- Automated palletizing systems (box pushing/positioning)
- Plastic injection molding machine ejectors
- Automotive assembly line clamping fixtures
- Long-stroke press feeding mechanisms
- Textile machinery tension control systems
| Property | Property Value |
|---|---|
| sku | SI40X820STC |
| 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 | 820mm |
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.









