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 SI40BX850 Standard Cylinder Specifications
- Model: SI40BX850
- Bore size: 40mm
- Stroke: 850mm
- Operating pressure: 0.05–1.0 MPa
- Medium temperature: -20℃ to 80℃
- Cushioning type: Air cushion (double adjustable)
- Mounting style: Basic type (MF1) with optional accessories
- Port size: M5x0.8 (G1/8 adapter available)
- Piston rod thread: M16x1.5
- Material: Aluminum alloy cylinder tube, stainless steel piston rod
- Weight: 4.8kg (without accessories)
- Dimensions:
- Length: 1060mm (full extension)
- Body width: 53mm
- Height: 53mm (excluding mounting hardware)
- Seal material: NBR/PU (standard), optional FKM for high temp
- Protection rating: IP54 (standard), IP67 with optional wiper
- Lubrication: Pre-lubricated (DOP-free grease)
High-precision ISO cylinder with extended stroke capability, featuring double-end magnetic piston for position sensing compatibility. The chrome-plated piston rod and precision honed tube ensure smooth operation in continuous duty cycles. Integrated cushioning adjustment screws allow fine-tuning of end-position deceleration.
- Long-stroke material handling systems
- Automated assembly line positioning
- Packaging machine ejection mechanisms
- Automotive fixture clamping devices
- Semiconductor wafer transfer systems
| Property | Property Value |
|---|---|
| sku | SI40BX850 |
| 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 | Non-magnetic |
| Bore Diameter | <40mm> |
| Stroke | 850 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.









