Airtac MI16-20 Stainless Steel Mini Cylinder MI16X420SU
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X420SU is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 420mm 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
- Stroke420 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM6×1.0
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X420SU
Delivering 100.5 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 420 mm stroke with ease. The Ø16 mm bore uses a 1/8" port and a Ø6 mm piston rod with an M6x1.0 male thread. Built-in TPU bumper pads absorb the impact at stroke ends, and the riveted construction keeps the body compact for tight machinery.
The integrated -S piston magnet supports CMSG, DMSG and EMSG switches for position sensing. Because it generates about 100.5 N of thrust at 0.5 MPa, you can plan for a safe working load of roughly 60 N, which equates to lifting a 5.1 kg mass vertically with a 2:1 safety margin. The stainless barrel and rod resist mild corrosion, making it superior to painted alternatives in damp environments.
Airtac MI16-20 Stainless Steel Mini Cylinder MI16X420SU Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X420SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 420 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 MI16X420SU
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 16 | Bore size in mm. |
| ×420 | 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 MI16X420SU Is Used
Package Diverter
Pushes light cardboard cartons on a packaging line using its 420 mm reach and 60 N safe working load.
Textile Loom Tensioner
Moves a yarn guide bar back and forth, relying on the stainless rod to resist humid textile mill conditions.
Bin Tray Extractor
Extracts shallow parts trays from shelving racks, using the U-type cover to keep the 1/8" air line neatly oriented.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X420SU the Right Cylinder?
This 420 mm stroke sits well within the 500 mm maximum standard stroke for the Ø16 bore. If you need less push, the Ø12 bore yields 56.5 N at 0.5 MPa; for heavier loads, stepping up to the Ø20 bore provides 157.0 N. The U-type back cover provides a 90-degree port orientation, and the ISO 6432 mounting dimensions allow seamless integration with standard mini-cylinder brackets and clevises.
With a 420 mm extension, the Ø6 mm rod is susceptible to bending if subjected to lateral loads, so ensure the load moves along a guided path. Remember that a standard cylinder drifts when air is removed or a valve centres—the TPU bumpers only soften the end of travel, so add an external rod lock or pilot check valve if you need to hold a vertical load.
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 MI16X420SU FAQ
At 0.5 MPa it pushes 100.5 N and pulls 86.4 N. At 0.7 MPa it pushes 140.7 N and pulls 120.9 N. The theoretical maximum force is 20.5 kgf at 1.0 MPa. The air port is 1/8" and the male rod thread is M6x1.0.
Yes to the sensor: the -S suffix means it has a piston magnet ready for CMSG, DMSG or EMSG switches. No to the cushion: this model uses fixed TPU bumper pads to decelerate at the ends, not an adjustable air cushion. For adjustable cushioning, look at the MIC variant.
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1-Year Warranty
Covers non-human-caused product damage.
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