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 SI40AX290S Standard Cylinder Specifications
- Model: SI40AX290S
- Bore size: 40mm
- Stroke: 290mm
- Operation: Double Acting
- Working pressure: 0.05-1.0 MPa
- Cushion type: Adjustable rubber buffer (both ends)
- Mounting type: Foot mounting (MF1) with standardized accessory holes
- Port size: M5x0.8 (G1/8 optional)
- Operating temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated carbon steel
- Tube material: Aluminum alloy (anodized surface)
- Seal material: NBR (Nitrile rubber)
- Weight: 2.8kg ±3%
- Dimensions:
- Length: 416mm (full retracted length)
- Width: 62mm (mounting foot span)
- Height: 62mm (cylinder diameter with mounting)
- Rod end type: Female thread M10x1.25
- Max theoretical thrust: 125.6N at 0.63MPa
- ISO standard: ISO 6432 compliant
The SI40AX290S represents AirTAC's high-performance 40mm bore cylinder with extended stroke capability. Featuring precision honed tubing and triple sealing system (rod seal, piston seal, and wiper), it delivers consistent performance in high-cycle applications. The modular design allows easy integration with magnetic sensors (sensor slot included). Optimized flow paths reduce air consumption by 15% compared to previous generations.
- Carton compression systems in packaging lines
- Plastic injection molding machine ejectors
- Automotive welding fixture positioners
- Conveyor gate actuators in material handling
- Textile machinery tension control systems
- 5,000km travel distance (standard seals)
- 10,000km travel distance (optional high-durability seal kit)
- Re-lubrication interval: 3 months or 1 million cycles
| Property | Property Value |
|---|---|
| sku | SI40AX290S |
| 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 | S-Magnetic |
| Bore Diameter | <40mm> |
| Stroke | 290mm |
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.









