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 SI40X85 Standard Cylinder Specifications
- Model: SI40X85
- Type: ISO 6432 compliant single-acting/pneumatic cylinder
- Bore size: 40mm
- Stroke: 85mm (±0.5mm tolerance)
- Operating pressure: 0.15–1.0 MPa
- Operating temperature: -20℃ to 80℃
- Piston rod material: Chrome-plated steel (HRA 70-75)
- Cushioning: Adjustable rubber buffer (both ends)
- Port size: M5x0.8 (standard) / NPT1/8 (optional)
- Mounting styles: MF1 (front flange), MB1 (rear flange), MP2 (foot mount)
- Seal material: NBR (standard) / FKM (high temp option)
- Weight: 1.48kg (dry, without accessories)
- Dimensions: 208mm(L) × 50mm(W) × 50mm(H) (retracted length)
- Max theoretical force: 125.6N @ 0.63MPa
- Piston speed: 50–800mm/s (lubricated)
- Protection rating: IP65 (standard) / IP67 (w/rod cover)
High-precision industrial cylinder featuring dual anti-rotation guide rods for enhanced lateral load capacity. The chrome-silicon alloy piston rod resists scoring and corrosion in humid environments. Optimized air consumption design reduces energy costs by 18% compared to previous generation models.
- Automated assembly line clamping mechanisms
- Plastic injection molding ejector systems
- CNC machine tool door interlocks
- Food packaging vertical lift actuators
- Pharmaceutical tablet press automation
| Property | Property Value |
|---|---|
| sku | SI40X85 |
| 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 | 85mm |
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.









