Airtac SI40 Standard Cylinder SI40X290S
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 SI40X290S Standard Cylinder Specifications
- Model: SI40X290S
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 290mm (±0.5mm tolerance)
- Operating pressure: 0.05-1.0 MPa
- Cushioning: Adjustable air cushion (both ends)
- Piston speed: 50-750 mm/s (lubricated)
- Port size: G1/8 (ISO 1179-1)
- Ambient temperature: -20℃ to 80℃
- Piston rod material: Hard chrome-plated steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile) with wear-resistant ring
- Weight: 2.45 kg (with standard accessories)
- Dimensions:
- Extended length: 634mm (stroke + 344mm base length)
- Retracted length: 344mm
- Width: 53mm (mounting face to front)
- Height: 53mm (square tube profile)
- Mounting options: Basic front flange (MF1), optional side/axial mounts
- Accessories: Built-in magnet for position sensing (S suffix)
High-precision industrial cylinder with enhanced side load capacity, featuring a square tube design for improved heat dissipation. The hard-anodized surface treatment provides corrosion resistance in humid environments. Integrated cushion adjustment screws allow fine-tuning of end-position deceleration.
- Automated material handling systems
- Plastic injection molding ejectors
- CNC machine tool clamping devices
- Automotive assembly line actuators
- Packaging machine pusher mechanisms
Installation tip:
Align cylinder axis with motion direction within ±2° angular deviation.
For vertical mounting, install a flow control valve on the rod end port
to prevent sudden drops. Lubricate through air supply (ISO VG32 recommended).
| Property | Property Value |
|---|---|
| sku | SI40X290S |
| 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 | 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.