Airtac SI40 Standard Cylinder SI40X300LB
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 SI40X300LB Standard Cylinder Specifications
- Model: SI40X300LB
- Bore size: 40mm
- Stroke: 300mm
- Operating pressure: 0.15–0.8 MPa
- Medium temperature: -20℃ to 80℃
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1) with foot mounting
- Port size: M5×0.8 (G1/8 optional)
- Piston rod thread: M12×1.25 (external)
- Material:
- Cylinder tube: Aluminum alloy hard oxidation
- End covers: Aluminum alloy
- Piston rod: Carbon steel with hard chrome plating
- Seal material: NBR (Nitrile rubber)
- Protection rating: IP40
- Weight: 1.85kg (excluding accessories)
- Dimensions:
- Total length: 398mm (at mid-stroke position)
- Extended length: 548mm (full stroke)
- Body diameter: 80mm
- Mounting base: 100mm(L) × 40mm(W)
- Rod end height: 110mm (from centerline)
High-precision ISO-standard pneumatic cylinder featuring double-acting operation and corrosion-resistant construction. The LB variant includes a locking nut for enhanced mounting stability. Optimized for medium-duty applications requiring precise linear motion, with 0.1mm± repeat accuracy. Features integrated magnet for position sensing compatibility.
- Clamping mechanisms in CNC machine fixtures
- Vertical lifting systems for assembly lines
- Material positioning in automated warehouses
- Ejection mechanisms in plastic injection molding
- Press machine feeding devices
Installation note:
Maintain 0.5mm minimum clearance between rod end and load during alignment.
Lubricate with ISO VG32 turbine oil before initial operation.
For vertical mounting, install air vent filter in upper port.
| Property | Property Value |
|---|---|
| sku | SI40X300LB |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 300mm |
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.