Airtac MI16-20 Stainless Steel Mini Cylinder MI20X30SUTC
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X30SUTC is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 30mm 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
- Stroke30 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X30SUTC
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact automation with ease. The Ø20 mm bore uses a 1/8 inch air port and an M8x1.25 male rod thread. Because the barrel and piston rod are stainless steel, the riveted construction resists mild corrosion better than painted aluminium alternatives in damp or washdown environments.
Equipped with a built-in piston magnet (-S), the unit supports CMSG, DMSG and EMSG position sensing. It conforms to ISO 6432 mounting dimensions, so it drops directly into standard mini-cylinder brackets. For practical sizing, plan for a safe working load of about 94 N, which means it can vertically lift roughly 8 kg with a 2:1 safety margin. Fixed TPU bumper pads absorb the stroke-end impact across the short 30 mm travel.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X30SUTC Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X30SUTC |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 30 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 MI20X30SUTC
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×30 | 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 MI20X30SUTC Is Used
Package Diverter Gate
Actuates a lightweight routing flap on a packaging conveyor, using the 157 N push force to deflect small cardboard cartons at high speed.
Small Part Ejection
Ejects stamped metal components from a press die, leveraging the 30 mm stroke and fixed TPU bumpers to cycle rapidly without slamming the end covers.
Lab Sample Handling
Moves plastic sample trays in a humid laboratory environment, where the stainless-steel round body prevents mild corrosion from repeated washdowns.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X30SUTC the Right Cylinder?
When sizing this 20 mm bore, stepping down to a 16 mm bore drops the 0.5 MPa push force to 100.5 N, while moving up to a 25 mm bore increases it to 245.3 N. This model includes a TC trunnion mount and a U 90-degree back cover, providing pivot flexibility for changing rod angles. The -S magnet enables electronic or reed switches, whereas a standard SKU without the S suffix cannot accept any sensors.
Remember that a basic double-acting cylinder relies entirely on continuous air pressure to maintain its position. If air is lost or the directional valve is centred, the piston will drift and the TPU bumpers cannot act as a locking brake. To suspend a load safely mid-stroke, fit an external rod lock or install a pilot-operated check valve.
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 MI20X30SUTC 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 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 function as a brake. Use an external rod lock or pilot check valve for load holding.
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Covers non-human-caused product damage.
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