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 SI40X20S Standard Cylinder Specifications
- Model: SI40X20S
- Bore Size: 40 mm
- Stroke: 20 mm
- Operating Pressure: 0.05–1.0 MPa
- Medium Temperature: -20℃ to 80℃
- Cushion Type: Adjustable rubber buffer (both ends)
- Piston Speed: 50–800 mm/s
- Mounting Style: Basic type (MF1, optional brackets available)
- Rod Thread: M10×1.25 (external thread)
- Port Size: M5×0.8 (standard), G1/8 optional
- Seal Material: NBR (nitrile butadiene rubber)
- Tube Material: Aluminum alloy with hard anodizing
- Weight: 0.52 kg ±2%
- Dimensions: 202mm(L) × 40mm(Bore) × 58mm(H) (including rod)
- Rod End Type: Female thread with hex nut
- Protection Rating: IP65 (dust-tight & water jet resistant)
- ISO Standard: Compliant with ISO 6432 (mounting dimensions)
The SI40X20S is a compact pneumatic cylinder optimized for precision linear motion in constrained spaces. Its hard-anodized aluminum body ensures corrosion resistance while maintaining lightweight construction (under 600g). The dual adjustable cushions prevent piston impact damage at stroke ends, and the integrated sensor slots support magnetic proximity switch installation for position feedback.
- Pick-and-place robotic end effectors
- Pharmaceutical blister packaging machines
- Electronics assembly line clamping units
- Textile machinery tension control systems
- Automotive welding fixture actuators
- Magnetic sensor kit: D-A93 (PNP output)
- Rod lock mechanism: SL40 series
- Speed controller: ASC-06-02 (for flow adjustment)
- Rod end adapters: RE-10M (metric thread converters)
| Property | Property Value |
|---|---|
| sku | SI40X20S |
| 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 | 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.









