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 SI40X120S Standard Cylinder Specifications
- Model: SI40X120S
- Type: ISO 6432 compliant single-acting/double-acting cylinder
- Bore size: 40 mm
- Stroke: 120 mm (±1.5mm tolerance)
- Operating pressure: 0.05–1.0 MPa
- Cushioning: Adjustable rubber buffer (both ends)
- Mounting style: Basic type (axial mounting holes)
- Operating temperature: -20℃ to 80℃
- Piston material: Extruded aluminum alloy with hard anodizing
- Rod material: Chrome-plated carbon steel (Cr equivalent ≥0.8μm)
- Seal material: NBR (standard), optional Polyurethane
- Port size: M5x0.8 (G1/8 adapter included)
- Rod end thread: M10x1.25 (ISO 12240-1 compliant)
- Weight: 1.25 kg (without accessories)
- Dimensions: 228mm(L) × 50mm(W) × 50mm(H) (fully retracted)
- Max theoretical force: 1256N at 1.0MPa (double-acting)
- Speed range: 50–800 mm/s (lubricated operation)
A high-rigidity compact cylinder featuring wear-resistant construction and precision honed tube. The SI40 series incorporates dual-purpose mounting grooves (front/rear flange compatibility) and an anti-rotation guide system. Optimized for low-friction movement with ≤0.15mm piston rod radial play. Requires ISO 8573-1 class 3 or cleaner air.
- Automated assembly line clamping mechanisms
- Textile machinery tension control systems
- Plastic injection molding ejectors
- CNC machine tool positioning gates
- Food processing conveyor diverters
| Property | Property Value |
|---|---|
| sku | SI40X120S |
| 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 | 120mm |
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.









