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 SI40X1275S Standard Cylinder Specifications
- Model: SI40X1275S
- Bore size: 40mm
- Stroke: 1275mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable cushioning on both ends
- Operating temperature: -20℃ to 80℃
- Port size: M5x0.8 (standard) / NPT1/8 (optional)
- Mounting type: Basic fixed (ISO 15552 front flange optional)
- Material: Aluminum alloy barrel, hardened steel piston rod
- Seal material: NBR (nitrile) with wear-resistant ring
- Rod thread: M12x1.25 (male)
- Weight: 5.8kg ±3% (without accessories)
- Dimensions: 1375mm(L) x 56mm(W) x 56mm(H)
- Piston speed: 50–800mm/s (lubricated)
- ISO certification: 15552 compliant
High-rigidity industrial cylinder with extended stroke capability, featuring chrome-plated piston rod and corrosion-resistant anodized barrel. Optimized for heavy-duty cyclic operations with 50% improved lateral load capacity compared to SI32 series. Requires ISO VG32 hydraulic oil mist lubrication for maximum seal life.
- Automated palletizing systems in logistics centers
- Press machine ejection mechanisms
- Automotive assembly line positioning devices
- Long-stroke material gate controls
- Packaging machine clamping units
| Property | Property Value |
|---|---|
| sku | SI40X1275S |
| 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 | 1275mm |
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.









