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 MSI Series Single-Acting Stainless Steel Mini Cylinder MSI8X40U
- Model: MSI8X40U
- Type: Single-acting (spring return)
- Bore size: 8mm
- Stroke: 40mm (±1mm)
- Operating pressure: 0.05–1.0 MPa
- Max thrust: 4.1N at 0.5MPa
- Cushioning: Rubber buffer
- Material: SUS304 stainless steel body, NBR seals
- Port size: M5x0.8 pneumatic thread
- Ambient temperature: -20℃ to 80℃
- Weight: 0.25kg (excluding accessories)
- Dimensions:
- Total length (retracted): 74mm
- Body diameter: Φ20mm
- Mounting base: 22mm × 12mm
- Lubrication: Pre-lubricated (Grease-free operation)
- ISO standard: Compliant with ISO 6432 mini cylinder specifications
Ultra-compact corrosion-resistant cylinder featuring medical-grade surface finish (Ra≤0.8μm) for clean environments. The spring-return design ensures fail-safe retraction with 0.6mm/s average speed at 0.5MPa. Includes anti-rotation guide slot (3mm width) for precise linear motion control.
- Semiconductor wafer handling robots
- Pharmaceutical capsule filling machines
- Endoscope articulation mechanisms
- Laboratory liquid dispensing systems
- Cleanroom automation (Class 1000 or better)

1. Use only filtered dry air (5-40μm filter)
2. Avoid side load exceeding 2N
3. For vertical mounting, position piston rod downward
4. Max lateral play: 0.15mm (use guide mechanism for precision apps)
Property | Property Value |
---|---|
sku | MSI8X40U |
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 | M5×0.8 |
Magnet | Non-magnetic |
Bore Diameter | <8mm> |
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.