Airtac MI16-20 Stainless Steel Mini Cylinder MI20X180SU
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X180SU is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 180mm 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
- Stroke180 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X180SU
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 180 mm stroke with ease. The Ø20 mm bore features a 1/8 inch air port and an M8x1.25 male rod thread. Its riveted stainless barrel and rod resist mild corrosion, outperforming painted alternatives in damp or washdown settings. Fixed TPU bumper pads absorb end-of-stroke impact, while the built-in magnet (-S) supports CMSG, DMSG and EMSG sensors.
For practical sizing, plan for about 94 N of real work at 0.5 MPa, which means it lifts roughly 8 kg vertically with a 2:1 safety margin. The U back cover provides a 90-degree port orientation for tight routing. Because it adheres to ISO 6432 mounting dimensions, it drops directly into standard mini-cylinder brackets and clevises.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X180SU Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X180SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 180 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 MI20X180SU
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×180 | 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 MI20X180SU Is Used
Package Diverting Gate
Actuates a routing flap on a packaging conveyor, using the 157 N push force to redirect cartons weighing up to 8 kg into secondary lanes.
Lab Sample Ejection
Ejects processed specimen trays from a testing carousel in a humid laboratory environment, relying on the stainless build to prevent corrosion.
Tote Pusher
Pushes empty storage totes onto an outbound roller track, utilizing the 90-degree U back cover to keep air lines neatly tucked away.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X180SU the Right Cylinder?
When sizing this 180 mm stroke model, compare it to neighbouring bores: the Ø16 generates 100.5 N push at 0.5 MPa, while the Ø25 steps up to 245.3 N. If your machine loses air or the valve centres, this plain cylinder will drift and cannot hold position; the bumpers only decelerate the stroke end. For a suspended load, add an external rod lock or pilot check valve. The included -S magnet enables position sensing, and the U rear cover simplifies perpendicular mounting.
At 180 mm, the stroke is well within the 500 mm maximum, but side loads can bend the rod. Keep the load guided to prevent premature seal wear.
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 MI20X180SU FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N. At 0.7 MPa it pushes 219.8 N and pulls 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa. The air port size is 1/8 inch.
No, the piston will drift if air is lost or the valve is centred. The fixed TPU bumper pads only decelerate the stroke end and do not act as a brake. To hold a suspended load, install an external rod lock or a pilot-operated check valve.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models usually ship in 3-4 days.
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