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 SI40BX145S Standard Cylinder Specifications
- Model: SI40BX145S
- Type: ISO 6432 standard single-acting/pneumatic cylinder
- Bore size: 40mm
- Stroke: 145mm
- Structure: Magnetic piston (with built-in magnet for position sensing)
- Mounting style: Basic type (square front flange)
- Operating pressure: 0.05–0.9 MPa
- Cushion type: Adjustable air cushion (both ends)
- Ambient temperature: -20℃ to 80℃
- Piston speed: 50–800 mm/s
- Port size: Rc1/4 (G1/4 optional)
- Material:
- Tube: Aluminum alloy (hard anodized)
- Piston rod: Stainless steel (SUS304)
- Seals: NBR (nitrile rubber)
- Weight: 1.8kg ±5%
- Dimensions:
- Total length (extended): 325mm
- Body diameter: 40mm
- Rod diameter: 12mm
- Mounting hole spacing: 40×40mm
- Protection rating: IP54 (standard)
- Lubrication: Pre-lubricated (oil-free operation possible)
The SI40BX145S features a durable aluminum construction with corrosion-resistant coating, designed for high-cycle industrial automation. Its magnetic piston enables position feedback via external sensors, while the double cushioning system minimizes impact noise at stroke ends. The cylinder operates efficiently in both vertical and horizontal orientations with optional auto-switch compatibility.
- Packaging machinery clamp positioning
- CNC machine tool part ejection
- Automotive assembly line actuators
- Textile equipment tension control
- Electronic component press-fitting systems
| Property | Property Value |
|---|---|
| sku | SI40BX145S |
| 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 | SUS304 |
| Magnet | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 145mm |
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.









