Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 190mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ20 mm
- Stroke190 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel mini cylinder handles a 190 mm stroke with ease. The riveted round body uses a Ø8 mm piston rod and a 1/8" port, while fixed TPU bumper pads absorb the impact at stroke extremes without offering adjustable cushioning.
Because the piston pushes with roughly 157 N, you can plan for a safe working load of about 94 N, which equates to lifting an 8 kg part vertically with a 2:1 safety margin. The stainless barrel and rod resist mild corrosion in damp environments, and the built-in magnet (-S) supports CMSG, DMSG and EMSG sensors for position detection.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 190 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Fixed TPU bumper pads |
| Max standard stroke | Up to 500 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G.
Theoretical Output Force (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×190 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MI-family variants: MI / MIC (double acting ±cushion), MSI / MTI (single acting push / pull), MID / MICD (double rod ±cushion), MIJ / MICJ (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU Is Used
Diverting small packages
Pushes lightweight cartons on a packaging line using the 157 N thrust, with the U cover allowing a compact 90-degree mount to the conveyor frame.
Lab sample routing
The stainless build withstands humid lab conditions, while the 190 mm stroke moves sample trays precisely between testing stations.
Small parts ejection
Ejects plastic moulded parts from a press, relying on the fixed TPU bumpers to soften the end-of-stroke impact during rapid cycling.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU the Right Cylinder?
When sizing this 20 mm bore, stepping down to a 16 mm bore lowers the push force to 100.5 N at 0.5 MPa, whereas moving up to a 25 mm bore increases it to 245.3 N. The 190 mm stroke is well within the 500 mm maximum, though the extended length means you should watch for side loads that could bend the rod. The U back cover provides a 90-degree mounting orientation, and this -S variant is ready for electronic or reed switches.
Remember that air pressure alone does not secure the piston if the supply drops or the valve centres; the rod will drift. To prevent a suspended load from falling, fit an external rod lock or a pilot-operated check valve rather than relying on the bumper pads.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X190SU FAQ
This 20 mm bore cylinder uses a 1/8" port. It generates 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum force of 32 kgf at 1.0 MPa.
The -S suffix means it has a built-in magnet for CMSG, DMSG and EMSG switches. It uses fixed TPU bumper pads to decelerate the stroke end, not an adjustable air cushion; for adjustable cushioning look at the MIC variant.
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