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 SI40X420 Standard Cylinder Specifications
- Model: SI40X420
- Type: ISO 6432 compliant single-acting/double-acting cylinder
- Bore size: 40mm (±0.08mm tolerance)
- Stroke: 420mm (adjustable cushioning ±10%)
- Operating pressure: 0.05–1.0 MPa
- Piston speed: 50–800 mm/s (lubricated)
- Port thread: Rc1/4 (G1/4 optional)
- Ambient temperature: -20℃ to 80℃
- Piston rod material: SCM435 chrome-plated steel
- Tube material: Aluminum alloy 6063-T5 anodized
- Seal type: NBR+PU combination seals
- Cushioning: Adjustable elastic buffer
- Mounting: Basic type (MF1) with 4x M5x0.8 threaded holes
- Weight: 1.85kg (excluding accessories)
- Dimensions: 575mm(L) × 56mm(W) × 56mm(H) (at full extension)
- Rod end thread: M16×1.5 (male)
- Protection class: IP54 (standard), IP67 optional
High-precision industrial cylinder with 0.1mm repeat positioning accuracy, featuring wear-resistant rod coating and dual anti-rotation guides. Requires ISO 8573-1:2010 Class 3-4-3 compressed air. Lubricator recommended for >500,000 cycle applications. Optional magnetic piston version (SI40X420-M) available for position sensing.
- Automated assembly line clamping mechanisms
- Plastic injection molding ejectors
- CNC machine tool door actuators
- Lithium battery stacking equipment
- Automotive welding fixture positioning
| Property | Property Value |
|---|---|
| sku | SI40X420 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 420mm |
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.









