Airtac MI16-20 Stainless Steel Mini Cylinder MI20X120CA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X120CA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 120mm 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
- Stroke120 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X120CA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 120 mm stroke with a CA pivot clevis. The 1/8" port and M8x1.25 male rod thread provide robust pneumatic connections for mid-range actuation. Its stainless barrel and rod naturally resist mild corrosion, outperforming painted alternatives in damp or washdown settings. The riveted construction keeps the body compact while fixed TPU bumper pads absorb impact energy at the stroke ends.
Because it conforms to ISO 6432 mounting dimensions, this Ø20 unit drops directly into standard mini-cylinder brackets without custom fabrication. Plan for a real work rate of roughly 94 N, which is about 60% of the 0.5 MPa rating. For vertical moves, it safely lifts around 8 kg when applying a 2:1 safety margin. Note this specific SKU lacks a magnet, so it cannot host CMSG, DMSG, or EMSG sensors without switching to the -S version.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X120CA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X120CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 120 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 MI20X120CA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×120 | 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 MI20X120CA Is Used
Package Diverter Gate
Pushes light cardboard cartons on a packaging line using its 157 N thrust and 120 mm travel to pivot a routing flap.
Textile Loom Tensioner
Adjusts yarn guide arms in humid manufacturing environments where the stainless steel rod prevents mild corrosion.
Bin Lid Actuator
Leverages the CA pivot clevis to swing a hinged access cover on an automated dispensing hopper up to 120 mm.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X120CA the Right Cylinder?
If your task needs less push, the Ø16 bore provides 100.5 N at 0.5 MPa, whereas stepping up to the Ø25 bore yields 245.3 N for heavier resistance. The 120 mm stroke is well within the 500 mm maximum, but at this length you should watch for side-loading forces that could bend the Ø8 mm piston rod. The CA rear clevis is ideal for articulating loads that require angular alignment during travel. Remember that venting the air supply causes the piston to drift, as the TPU pads only soften end-of-stroke impacts rather than locking the rod. To maintain vertical position upon pressure loss, install an external pilot check valve or a dedicated rod lock.
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 MI20X120CA FAQ
At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it provides 219.8 N push and 184.7 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa. The air port size is 1/8".
No, this specific SKU does not include a magnet. To use CMSG, DMSG, or EMSG switches, you must select the -S magnet variant. The unit uses ISO 6432 mounting dimensions and features fixed TPU bumper pads, not an adjustable air cushion.
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