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 SI40X450SFA Standard Cylinder Specifications
- Model: SI40X450SFA
- Type: ISO 6432 compliant single-acting spring return cylinder
- Bore size: 40mm
- Stroke: 450mm (±0.5mm tolerance)
- Operating pressure: 0.1–0.9 MPa
- Cushioning: Adjustable air cushion (both ends)
- Mounting: Front flange mounting (ISO 15552 standard)
- Operating medium: Filtered air (40μm filtration required)
- Temperature range: -20℃ to 80℃
- Piston speed: 50–800 mm/s (optimal range)
- Port size: G1/8 (BSPP thread)
- Material: Aluminum alloy body (hard anodized), CRCC piston rod
- Seal material: NBR (nitrile rubber)
- Weight: 3.8 kg (without accessories)
- Dimensions: 586mm(L) × 56mm(W) × 56mm(H) (at full extension)
- Protection rating: IP65 (standard wiper seal)
- Lubrication: Pre-lubricated (relubrication interval: 1,000km)
High-precision industrial cylinder featuring dual adjustable pneumatic cushions for smooth deceleration. The hard-anodized barrel provides exceptional wear resistance in high-cycle applications. Spring return mechanism ensures fail-safe retraction during pressure loss. Compatible with all ISO 15552 mounting accessories.
- Automated assembly line clamping mechanisms
- Packaging machine ejector systems
- CNC machine tool positioning
- Material handling gate actuators
- Automotive welding fixture controls
| Property | Property Value |
|---|---|
| sku | SI40X450SFA |
| 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 | 450mm |
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.









