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 SI40BX80S Standard Cylinder Specifications
- Model: SI40BX80S
- Type: ISO 6432 standard double-acting cylinder
- Bore size: 40 mm (±0.1mm manufacturing tolerance)
- Stroke: 80 mm (adjustable cushioning at both ends)
- Operating pressure: 0.05–1.0 MPa
- Piston speed: 50–800 mm/s (lubricated condition)
- Ambient temperature: -20℃ to 80℃
- Port size: M5x0.8 (standard) or NPT1/8 (optional)
- Cushioning: Adjustable elastic cushion + shock absorber
- Mounting style: Basic type (front/rear flange options available)
- Piston rod material: Chrome-plated carbon steel (S45C)
- Tube material: Anodized aluminum alloy
- Seal material: NBR (nitrile rubber) standard, optional FKM/Viton
- Weight: 1.25 kg (excluding mounting accessories)
- Dimensions:
- Total length: 208 mm (at 80mm stroke)
- Body diameter: 50 mm (outer tube dimension)
- Rod end thread: M10x1.25 (male thread standard)
- Protection rating: IP65 (standard wiper seal configuration)
- Lubrication: Pre-lubricated (Grease-free operation possible with special seals)
The SI40BX80S represents AirTAC's 4th-generation ISO cylinder with enhanced energy efficiency. Features precision honed tubing and a dual-seal piston design achieving ≤0.1 mm/s creep speed. The magnetic piston version (SI40BMX80S) allows position sensing compatibility. Optimized for high cycle rates with 2,000km minimum service life under rated conditions.
- Automated assembly line clamping fixtures
- Textile machinery thread tension control
- Pharmaceutical blister packaging systems
- CNC machine tool chip conveyors
- Solar panel cleaning robot actuators
| Property | Property Value |
|---|---|
| sku | SI40BX80S |
| 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 | 80 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.









