Airtac SI40 Standard Cylinder SI40X235S
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 SI40X235S Standard Cylinder Specifications
- Model: SI40X235S
- Type: ISO 6432 compliant double-acting pneumatic cylinder
- Bore size: 40mm
- Stroke: 235mm (adjustable cushioning)
- Operating pressure: 0.1–0.9 MPa
- Temperature range: -20℃ to 80℃
- Cushioning type: Adjustable rubber buffers at both ends
- Port size: 1/4" NPT (G1/8 optional)
- Mounting style: Basic foot mounting (ISO 15552 MF1)
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber)
- Weight: ~2.8kg (without accessories)
- Dimensions: 450mm(L) × 60mm(W) × 60mm(H)
- Rod thread: M16×1.5
- Maximum speed: 1.0 m/s
- Lubrication: Pre-lubricated (option for oil-free operation)
High-precision industrial cylinder with enhanced side load capacity, featuring wear-resistant construction and precision honed tube. The SI40 series combines compact design with 20% higher thrust force than standard ISO cylinders due to optimized sealing geometry. Includes magnetic piston for position sensing compatibility.
- Plastic injection molding machine ejectors
- Automated conveyor sorting systems
- Automotive assembly line tooling
- Packaging machine clamp mechanisms
- CNC machine tool door operators
Installation note:
Maintain 0.5-1mm clearance between rod end and load during alignment.
For vertical mounting, use counterbalance valves. Lubricate through air port
at 1/3 normal operating pressure during initial commissioning.
| Property | Property Value |
|---|---|
| sku | SI40X235S |
| 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 | 235 mm |
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.