Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85SCM
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85SCM is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 85mm 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
- Stroke85 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85SCM
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles demanding 85 mm strokes with ease. The Ø20 mm bore uses a 1/8 inch port and an M8x1.25 male rod thread. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. The riveted construction keeps the body compact, while fixed TPU bumper pads decelerate the piston at stroke end.
For practical sizing, plan for roughly 94 N of actual work at 0.5 MPa, which safely lifts an 8 kg vertical load with a 2:1 margin. The built-in magnet (-S) supports CMSG, DMSG and EMSG switches for position sensing, and the CM round rear cover offers a clean, axial mounting profile. Because it uses the ISO 6432 mounting interface, it drops directly into standard mini-cylinder brackets and clevises.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85SCM Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85SCM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 85 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 MI20X85SCM
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×85 | 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 MI20X85SCM Is Used
Package Diverter
Pushes lightweight cardboard cartons on a packaging line using its 157 N thrust and 85 mm travel range.
Textile Loom Guide
Shifts a yarn guide arm precisely in humid textile facilities, leveraging the stainless rod for washdown resistance.
Bin Gate Actuator
Opens and closes small hopper gates for granular materials, relying on the 1/8 inch port for rapid cycling.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85SCM the Right Cylinder?
When sizing this 85 mm stroke unit, consider the neighbouring bores: a Ø16 generates 100.5 N push at 0.5 MPa if your load is lighter, while a Ø25 provides 245.3 N for heavier demands. This model includes the -S magnet for position feedback and the CM round end cover. If your mechanism requires stopping mid-stroke or holding a load during air loss, note that a plain cylinder drifts; the TPU pads only soften the end stops, so you must add an external rod lock or pilot check valve for secure holding. For an 85 mm stroke, ensure your mounting arrangement avoids excessive side loading to prevent rod bending.
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 MI20X85SCM FAQ
At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it delivers 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.
Yes, the -S suffix indicates a built-in piston magnet for CMSG, DMSG and EMSG switches. The cylinder does not hold its load when air is lost; the fixed TPU bumper pads only decelerate the stroke end, so an external rod lock is needed for holding.
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1-Year Warranty
Covers non-human-caused product damage.
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