2. Front/rear covers with fixed cushion rings to minimize cylinder impact during directional changes;
3. Multiple rear cover configurations for enhanced installation flexibility;
4. Riveted enclosure structure securely connects stainless steel cylinder barrel with end covers;
5. Stainless steel piston rod and cylinder barrel enable operation in mildly corrosive environments;
6. Comprehensive selection of cylinder specifications and mounting accessories available.
Category: Stainless Steel Mini Cylinders | Brand: AIRTAC | Series: MSI
AirTAC MSI20X40U Single-Acting Stainless Steel Mini Cylinder Specifications
- Model: MSI20X40U
- Type: Single-acting (spring return)
- Bore size: 20mm
- Stroke: 40mm
- Operating pressure: 0.05–1.0 MPa
- Operating temperature: -20℃ to 80℃
- Cushioning: Adjustable rubber buffer
- Material: Stainless steel (SUS304) barrel, CRMo alloy piston rod
- Port size: M5x0.8 (standard), G1/8 optional
- Weight: 0.52kg (without accessories)
- Dimensions:
- Extended length: 143mm
- Retracted length: 103mm
- Body diameter: 32mm
- Mounting base: 44mm x 20mm
- Seal material: Heat-resistant NBR (+5℃ to 100℃)
- Protection rating: IP67 (dust/water resistant)
- Lubrication: Pre-lubricated (maintenance-free for 2000km)
Ultra-compact corrosion-resistant cylinder designed for precision linear motion in confined spaces. Features anti-rotation piston rod and dual mounting options (front threaded or rear flange). The stainless steel construction ensures chemical resistance in aggressive environments. Built-in magnetic piston enables position sensing integration.
- Cleanroom automation (semiconductor/pharma production)
- Food processing equipment (washdown environments)
- Medical device actuation systems
- Precision clamping in CNC tooling
- Laboratory analytical instruments
| Property | Property Value |
|---|---|
| sku | MSI20X40U |
| Rear Cover Type | Radial Air Inlet |
| Mounting Type | Without Mounting Accessories |
| 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°C to 70°C Speed Range: 50-800mm/s |
| Port Size | PT1/8 |
| Magnet | Non-magnetic |
| Bore Diameter | <20mm> |
| Stroke | <40mm> |
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.







