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 SI40BX850S Standard Cylinder Specifications
- Model: SI40BX850S
- Bore size: 40 mm
- Stroke: 850 mm
- Operating pressure: 0.05–1.0 MPa
- Cushion type: Adjustable air cushion (both ends)
- Mounting style: Basic type (MF1/MB1/MF3 optional)
- Port size: M5x0.8 (G1/8 adaptor included)
- Temperature range: -20℃ to 80℃
- Piston material: Aluminum alloy with hard anodizing
- Rod material: Chrome-plated steel (Cr-Mo)
- Seal material: NBR/PU (FDA compliant options available)
- Max piston speed: 500–700 mm/s
- Protection rating: IP54 (standard), IP67 (optional)
- Weight: 2.8 kg (excluding accessories)
- Dimensions: 1050mm(L) × 96mm(W) × 96mm(H)
High-precision ISO 15552 compliant cylinder with extended stroke capability, featuring corrosion-resistant construction and multi-position mounting flexibility. The dual adjustable cushioning system minimizes end-impact noise while maintaining positioning accuracy. Includes wear-resistant rod seal (U-cup design) for 5,000km+ service life under standard conditions.
- Automated material handling systems
- Packaging machine ejectors & pushers
- Automotive assembly line fixtures
- Plastic injection molding machines
- Long-stroke press applications
- Relubrication: Every 1,000km stroke or 6 months
- Seal inspection: Annually (2,500+ operating hours)
- Full overhaul: 5 million cycles or 3 years
| Property | Property Value |
|---|---|
| sku | SI40BX850S |
| 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 | 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.









