Airtac SI40 Standard Cylinder SI40BX425S
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 SI40BX425S Standard Cylinder Specifications
- Model: SI40BX425S
- Bore size: 40mm (ISO 6432 standard)
- Stroke: 425mm (adjustable cushion range: 10-35mm)
- Operating pressure: 0.05–1.0 MPa
- Piston speed: 50–800 mm/s
- Port size: M5x0.8 (G1/8 adaptor included)
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Standard foot mounting (ISO 15552)
- Rod thread: M16x1.5 external thread
- Material: Aluminum alloy barrel, chrome-plated piston rod
- Seal material: NBR (nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 2.5kg ±3% (without accessories)
- Dimensions: 575mm(L) × 50mm(W) × 50mm(H) (fully extended)
- Protection rating: IP65 (rod gland area)
- Minimum start pressure: 0.1 MPa
- Lubrication: Pre-lubricated (oil-free operation possible)
High-precision ISO cylinder with exceptional lateral load capacity, featuring double-sealed piston design for leak-free operation. The anodized barrel resists corrosion in humid environments, while magnetic piston versions (SI40BX425S-M9) enable position sensing. Compatible with all standard ISO mounting accessories.
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool positioning
- Food processing conveyor gate controls
- Automotive welding fixture actuators
Installation tip:
For vertical installations exceeding 300mm stroke, use guide brackets (GB40-200)
to prevent piston rod deflection. Lubricate rod weekly in high-cycle applications (>500 cycles/day).
| Property | Property Value |
|---|---|
| sku | SI40BX425S |
| 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 | <425mm> |
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.