Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100U
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100U 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.
- BoreØ20 mm
- Stroke100 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100U
Delivering 157 N of push force at 0.5 MPa, the AirTAC MI20X100U is a double-acting round-body mini cylinder built for compact automation. Its stainless-steel barrel and Ø8 mm rod shrug off mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. The riveted construction keeps the unit light, while fixed TPU bumper pads absorb impact at the stroke ends. This specific SKU features a 90-degree U back cover, orienting the 1/8 inch port neatly for tight machinery layouts.
Because it conforms to ISO 6432 mounting dimensions, this Ø20 mm unit drops directly into standard mini-cylinder brackets and clevises. For practical sizing, plan for a safe working load of about 94 N, which lets you lift roughly 8 kg vertically with a 2:1 safety margin. Note that this base configuration lacks a magnet, meaning it cannot host CMSG, DMSG or EMSG sensors without switching to the -S variant.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100U Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100U |
|---|---|
| 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.
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 MI20X100U
| 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.
Where the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100U Is Used
Package Divert Gate
Actuates a lightweight routing flap on a packaging line, using the 157 N push force to swing parcels onto adjacent belts.
Lab Sample Ejector
Ejects plastic sample trays from a testing carousel, where the stainless build resists chemical splashes and the U cover keeps hoses tidy.
Textile Tension Arm
Pushes a tensioning roller into woven fabric, relying on the 100 mm stroke and fixed TPU bumpers to maintain consistent material feed.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100U the Right Cylinder?
When sizing this 100 mm stroke model, compare it against its neighbours: stepping down to the Ø16 bore drops the 0.5 MPa push force to 100.5 N, while upgrading to the Ø25 bore raises it to 245.3 N. The 1/8 inch port and M8x1.25 male rod thread are fixed by the Ø20 bore. If your mechanism needs position feedback, select the MI20X100U-S instead, as this standard SKU has no internal magnet for switches. The 90-degree rear cover is ideal when axial port routing would clash with frame members.
Remember that the fixed TPU bumpers only decelerate the piston near the end of travel; they do not act as a brake. If air pressure drops or the valve is centred, the rod will drift and cannot hold a suspended load. To secure a vertical payload safely, install an external pilot-operated check valve or a dedicated rod lock. At a 100 mm extension, also verify your guiding structure to prevent rod bending under side loads.
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 MI20X100U 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 is 1/8 inch.
No, this specific SKU does not include a magnet, so CMSG, DMSG and EMSG switches will not function. You must order the -S variant (MI20X100U-S) for position sensing. The unit uses ISO 6432 mounting dimensions and fixed TPU bumper pads rather than adjustable cushions.
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