Airtac SI40 Standard Cylinder SI40BX85S
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 SI40BX85S Standard Cylinder Specifications
- Model: SI40BX85S
- Type: Double-acting pneumatic cylinder (ISO 6432 compliant)
- Bore size: 40mm
- Stroke: 85mm
- Operating pressure: 0.1–0.9 MPa
- Port size: M5x0.8 (standard), G1/8 optional
- Cushioning: Adjustable air cushion (both ends)
- Piston rod thread: M10x1.25 (external)
- Tube material: Aluminum alloy with hard anodized surface
- End cover material: Aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Temperature range: -20℃ to 80℃
- Weight: 0.92kg (with standard accessories)
- Dimensions (L×W×H):
- Total length: 145mm (stroke 85 + 60mm fixed)
- Tube outer diameter: 56mm
- Mounting base: 40mm center-to-center hole spacing
- Rod end bracket height: 20mm
High-precision industrial cylinder featuring wear-resistant chromium-plated piston rod (hardness HRC 45-55) and low-friction seals. The dual adjustable cushioning system minimizes end-impact noise while maintaining 0.1-1.5m/s optimal speed range. Compatible with all ISO 6432 mounting accessories.
- Automated assembly line clamping mechanisms
- CNC machine tool part ejection systems
- Packaging equipment material positioning
- Printing press paper feed control
- Automotive fixture actuation
Installation tips:
Apply lithium soap-based grease to rod before initial use.
For vertical mounting, use MF12 series guide brackets to prevent side load.
Maximum side load capacity: 15N at full extension.
| Property | Property Value |
|---|---|
| sku | SI40BX85S |
| 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 | 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.