Airtac SI40 Standard Cylinder SI40X250N
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 SI40X250N Standard Cylinder Specifications
- Model: SI40X250N
- Bore size: 40 mm
- Stroke: 250 mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable rubber buffer (both ends)
- Piston rod material: Hard chrome-plated steel
- Cylinder tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile Butadiene Rubber)
- Temperature range: -20℃ to 80℃
- Mounting type: Front flange (MF1) with integrated mounting nuts
- Port size: M5x0.8 (standard), optional G1/8 available
- Weight: 2.85 kg (with rod)
- Dimensions:
- Total length (extended): 398 mm
- Body diameter: 52 mm
- Rod end thread: M16x1.5
- Mounting hole spacing: 40x40 mm (flange pattern)
A heavy-duty ISO 6432-compliant cylinder optimized for high-cycle industrial applications. Features wear-resistant construction with double-lip rod seals for leak prevention. The anodized surface treatment provides enhanced corrosion resistance in humid environments. Requires air lubrication for optimal performance (ISO 8573-1 class 4 or cleaner).
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool door actuators
- Conveyor belt tensioning devices
- Printing press paper feed systems
Installation note:
Align piston rod within 0.2mm perpendicular tolerance during mounting.
For horizontal installations, use rod support guides for strokes exceeding 150mm.
Lubricate with ISO VG32 hydraulic oil if using non-lubricated air systems.
| Property | Property Value |
|---|---|
| sku | SI40X250N |
| Seal Material | NBR |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | <250MM> → <250mm> |
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.