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 SI40X1270S Standard Cylinder Specifications
- Model: SI40X1270S
- Bore size: 40mm
- Stroke: 1270mm
- Operation type: Double-acting
- Working pressure: 0.15–1.0 MPa
- Cushioning: Adjustable pneumatic cushion (both ends)
- Ambient temperature: -20℃ to 80℃
- Port size: G1/8 (Rc1/8 optional)
- Mounting type: Basic (standard) with multiple accessory options
- Piston rod material: Stainless steel (SUS304)
- Cylinder tube: Aluminum alloy (hard anodized)
- Seal material: NBR (nitrile rubber)
- Weight: ~6.8kg (excluding accessories)
- Dimensions: 1345mm(L) × 50mm(W) × 50mm(H)
- ISO standard: 6432 (mounting dimensions compliant)
- Protection rating: IP65 (dust-tight & water jet resistant)
A high-performance long-stroke pneumatic cylinder featuring precision honed tubing and chrome-plated piston rod. The extended 1270mm stroke version utilizes reinforced guide bearings to prevent rod deflection, with corrosion-resistant construction suitable for harsh environments. Requires 40μm filtered lubricated air (ISO 8573-1 class 4).
- Automated material handling systems
- Automotive assembly line positioning
- Packaging machinery ejection mechanisms
- Textile machine tension control
- Industrial door actuation systems
| Property | Property Value |
|---|---|
| sku | SI40X1270S |
| 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 | 1270mm |
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.









