Airtac MI16-20 Stainless Steel Mini Cylinder MI16X20SU
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X20SU is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 20mm 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.
- BoreØ16 mm
- Stroke20 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM6×1.0
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X20SU
Delivering 100.5 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact 20 mm strokes with ease. The riveted barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp production areas. Because the bore is 16 mm, it uses the ISO 6432 mounting interface, dropping directly into standard mini-cylinder brackets and clevises.
The U back cover provides a 90-degree port orientation for tight routing, while the built-in -S magnet supports CMSG, DMSG and EMSG switches for position sensing. Fixed TPU bumper pads absorb the stroke-end impact. For practical sizing, plan for about 60 N of real work at 0.5 MPa, which means it lifts roughly 5.1 kg vertically with a 2:1 safety margin.
Airtac MI16-20 Stainless Steel Mini Cylinder MI16X20SU Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X20SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 20 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M6×1.0 |
| 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 (Ø16mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 101 N | 86 N |
| 0.7 MPa | 141 N | 121 N |
| Max (@1.0 MPa) | 21 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 MI16X20SU
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 16 | Bore size in mm. |
| ×20 | 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 MI16X20SU Is Used
Parts Ejection
Pushes small machined aluminum brackets out of a CNC fixture using 100.5 N of thrust at 0.5 MPa.
Flap Folding
Folds corrugated carton flaps on a packing line where the 90-degree U cover keeps air hoses neatly routed.
Lab Dispensing
Actuates a 20 mm precise stroke for chemical sample valves, relying on the stainless body for washdown resistance.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X20SU the Right Cylinder?
When sizing this 20 mm stroke actuator, step down to the Ø12 bore if your payload is under 56.5 N at 0.5 MPa, or move up to the Ø20 bore (157.0 N at 0.5 MPa) if you need to overcome higher friction. The 1/8" port and M6x1.0 male rod thread are fixed by the 16 mm bore. A standard MI will drift and drop its load if air pressure is lost or the valve is centered—the TPU bumper only decelerates the end of travel and acts as no brake. To suspend a load safely, fit an external rod lock or a pilot-operated check valve. Even at this short 20 mm stroke, minimize side-loading on the rod 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 MI16X20SU FAQ
This 16 mm bore cylinder has a 1/8" port and generates 100.5 N push / 86.4 N pull at 0.5 MPa, and 140.7 N push / 120.9 N pull at 0.7 MPa. Its theoretical maximum force is 20.5 kgf at 1.0 MPa.
Yes, the -S suffix means it has a built-in magnet for CMSG, DMSG or EMSG switches. However, it does not hold position on air loss; the piston drifts, so you need a pilot check valve or external rod lock for suspended loads.
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1-Year Warranty
Covers non-human-caused product damage.
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