Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15SUTC
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15SUTC is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 15mm 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
- Stroke15 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15SUTC
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles short 15 mm strokes with precision. The riveted barrel and rod resist mild corrosion, making it superior to painted alternatives in damp environments. It uses a 1/8" port and an M8x1.25 male rod thread.
For real-world 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. The built-in piston magnet supports CMSG, DMSG, or EMSG switches for position sensing, while fixed TPU bumper pads absorb the impact at stroke end.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15SUTC Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15SUTC |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 15 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 MI20X15SUTC
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×15 | 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 MI20X15SUTC Is Used
Clamping Small Parts
Ideal for holding light aluminum brackets in a machining fixture, utilizing its 94 N safe working load to secure the component without deforming it.
Package Deflector
Deploys a 15 mm stroke to push small cardboard cartons on a packaging line, where the stainless build withstands occasional washdowns.
Electronic Component Sorting
Uses the integrated magnet with a DMSG sensor to confirm position when diverting small PCB assemblies into testing bins.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15SUTC the Right Cylinder?
If you need less force, the Ø16 bore provides 100.5 N push at 0.5 MPa; stepping up to the Ø25 bore yields 245.3 N. This SKU includes a TC trunnion mount and a U 90-degree rear cover for pivot-style installations. Because the stroke is only 15 mm, side-load stress on the rod is minimal.
Remember that the TPU bumpers only decelerate the piston near the end of travel; they do not act as a brake. If your application must hold a vertical load when air pressure drops or the valve is centered, add an external rod lock or a pilot-operated check valve to prevent drift.
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 MI20X15SUTC 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".
Yes, the Ø20 bore uses the ISO 6432 mounting interface, so it drops into standard mini-cylinder clevises and brackets. However, it does not hold position on air loss; you must use an external rod lock or pilot check valve to prevent drift.
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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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