Airtac SI40 Standard Cylinder SI40AX270
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 SI40AX270 Standard Cylinder Specifications
- Model: SI40AX270
- Bore size: 40mm
- Stroke: 270mm
- Operating pressure: 0.15–0.8 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: AX series front flange with integrated mounting holes
- Port size: G1/8 (M5 optional)
- Piston rod material: Chrome-plated steel (SUS304 equivalent)
- Cylinder tube: Hard anodized aluminum alloy
- Seal material: Nitrile rubber (NBR) with wear-resistant ring
- Temperature range: -20℃ to 80℃
- Weight: 2.65kg (without accessories)
- Dimensions: 401mm(L) × 53mm(W) × 53mm(H)
- Max theoretical thrust: 503N at 0.6MPa
- Max speed: 500–800mm/s (with cushion adjustment)
- Lubrication: Pre-lubricated (oil-free operation possible)
High-precision ISO 15552 compliant cylinder with corrosion-resistant construction and dual cushioning adjustment. Features a durable piston rod with multi-layer sealing system for leak-proof operation. The compact AX mounting flange enables space-efficient installation in automated systems. Compatible with magnetic sensors for position feedback (sensor groove included).
- Assembly line clamping/pressing mechanisms
- Packaging machine ejection systems
- Automated welding fixture positioning
- Printing press paper feed units
- Food processing conveyor gate controls
Installation note:
Maintain 0.5–1mm clearance between cylinder body and machine frame for thermal expansion.
Use locknuts (not included) with torque ≤29.4N·m. For vertical mounting, install air vent
upward to prevent condensation accumulation.
| Property | Property Value |
|---|---|
| sku | SI40AX270 |
| 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 | SUS420J2 |
| Magnet | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 270mm |
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.