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 SI40X425S Standard Cylinder Specifications
- Model: SI40X425S
- Type: Double-acting, single piston rod
- Bore size: 40 mm
- Stroke: 425 mm
- Operating pressure: 0.15–1.0 MPa
- Cushioning: Adjustable air cushion (both ends)
- Temperature range: -20℃ to 80℃
- Port size: Rc1/4 (G1/4 optional)
- Piston rod thread: M16×1.5
- Mounting type: Basic MF1 (ISO 15552 standard)
- Cylinder tube material: Anodized aluminum alloy
- Piston rod material: Chrome-plated carbon steel
- End cover material: Die-cast aluminum
- Seal material: NBR (Nitrile rubber)
- Weight: 3.8 kg ±2%
- Dimensions: 535mm(L) × 58mm(W) × 58mm(H)
- Rod end type: Female thread with cushion ring
- Protection rating: IP65 (dust-tight & water jet resistant)
A heavy-duty ISO-compliant pneumatic cylinder optimized for long-stroke applications. Features wear-resistant chromium plating on precision-ground rods and built-in position detection slots for magnetic sensors. The dual cushioning system minimizes end-impact noise while maintaining cycle stability under high inertia loads.
- Automated assembly line material handling
- Plastic injection molding machine ejectors
- Automotive welding fixture positioning
- Paper converting machinery actuators
- Packaging machine vertical lift systems
| Property | Property Value |
|---|---|
| sku | SI40X425S |
| 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 | <425mm> |
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.









