
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100SCMTC is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 100mm 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.
Delivering 157 N of push force at 0.5 MPa, this AirTAC MI20X100SCMTC actuator is a double-acting round-body mini cylinder built from a stainless-steel barrel and rod. The riveted construction shrinks the footprint while resisting mild corrosion and washdown in damp processing areas. Fixed TPU bumper pads absorb the impact at stroke ends, decelerating the piston smoothly without the complexity of an adjustable cushion. A built-in piston magnet (-S) supports CMSG, DMSG and EMSG switches for position sensing.
Designed to the ISO 6432 mounting interface, the Ø20 mm body drops directly into standard mini-cylinder brackets and clevises. Operating on a 1/8" port at pressures from 0.15 to 1.0 MPa, it moves a 100 mm stroke at speeds of 30-800 mm/s. For practical sizing, plan for a safe working load of about 94 N (roughly 60 percent of the 0.5 MPa rating), which means it can comfortably lift an 8 kg part vertically with a 2:1 safety margin.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100SCMTC |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 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.
| 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.
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×100 | 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.
Pushes light cardboard cartons on a packaging line using 157 N of thrust, with the TC trunnion absorbing pivot stress during rapid 100 mm strokes.
Ejects plastic test tubes from a wet processing station, where the stainless steel rod shrugs off mild chemical splashes during retraction.
Actuates a sorting flap for 8 kg metal fittings, relying on the built-in magnet and DMSG switch to confirm the 100 mm extension position.
When sizing this 100 mm stroke unit, compare it against its neighbours: a Ø16 bore yields 100.5 N push at 0.5 MPa, while stepping up to a Ø25 bore provides 245.3 N. The CM round end back cover and TC trunnion mounting accessory give you a pivot-friendly installation that handles lateral alignment well. Because the 100 mm stroke extends an Ø8 mm rod, keep the load guided to prevent side-load bending. Remember that a plain double-acting cylinder drifts when air is lost or the valve is centred; the TPU bumpers only soften the end of travel and will not lock the load. Use an external rod lock or pilot check valve if you need strict position holding.
Quick checklist
This Ø20 mm bore cylinder uses a 1/8" air 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 of 32 kgf at 1.0 MPa.
The -S suffix means it has a built-in magnet for CMSG, DMSG and EMSG switches. However, it cannot hold a vertical load on air loss; the fixed TPU bumpers only decelerate the stroke end, so you must add an external rod lock or pilot check valve to prevent drift.
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