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 SI40BX20S Standard Cylinder Specifications
- Model: SI40BX20S
- Bore size: 40mm
- Stroke: 20mm
- Operating pressure: 0.05–1.0 MPa
- Cushioning type: Adjustable air cushion (both ends)
- Port size: M5x0.8 (G1/8 optional)
- Piston speed: 50–700 mm/s
- Ambient temperature: -20℃ to 80℃
- Mounting type: Basic foot mounting (ISO 15552 standard)
- Rod material: Hard chrome-plated steel
- Tube material: Anodized aluminum alloy
- Seal material: NBR (Nitrile rubber)
- Weight: 0.65 kg (without accessories)
- Dimensions:
- Extended length: 167mm
- Retracted length: 147mm
- Body width: 40mm
- Mounting height: 63mm
- Protection rating: IP54 (standard wiper design)
A high-rigidity compact cylinder featuring optimized air consumption and smooth stroke completion. The double-acting design with magnetic piston enables position sensing compatibility. The corrosion-resistant construction with 3-layer hard chrome plating ensures durability in humid environments. Requires 5μm filtered lubricated air (ISO 8573-1 class 4).
- Automated material handling systems
- Packaging machine clamp positioning
- CNC machine tool fixture actuation
- Pharmaceutical blister packaging
- Electronics assembly press mechanisms
- Automotive parts testing equipment
| Property | Property Value |
|---|---|
| sku | SI40BX20S |
| 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 | <20mm> |
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.









