Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SCM
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SCM is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 150mm 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
- Stroke150 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SCM
Delivering 157 N of push force at 0.5 MPa, this AirTAC MI20X150SCM mini cylinder is a double-acting actuator built for compact automation. The riveted stainless-steel barrel and rod resist mild corrosion, making it superior to painted alternatives in damp processing areas. It features a 150 mm stroke, an M8x1.25 male rod thread, and a 1/8 inch port. The built-in magnet (-S) allows direct mounting of CMSG, DMSG, or EMSG switches for position sensing.
For practical sizing, plan for a safe working load of roughly 94 N, which is about 60 percent of the 0.5 MPa rating. This translates to lifting an 8 kg part vertically with a 2:1 safety margin. The CM round end cover keeps the rear profile smooth, while fixed TPU bumper pads absorb impact at the stroke extremes without offering adjustable cushioning.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SCM Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SCM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 150 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 MI20X150SCM
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×150 | 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 MI20X150SCM Is Used
Package Diverting Gate
Pushes lightweight cardboard cartons on a packaging line using 157 N of thrust at 0.5 MPa, with the stainless body enduring humid warehouse environments.
Textile Loom Tensioner
Cycles rapidly at 30-800 mm/s to maintain thread tension, utilizing the 150 mm stroke and fixed TPU bumper pads to soften end-of-stroke impacts.
Lab Sample Ejection
Ejects processed vials from a testing carousel, lifting an 8 kg rack vertically with a safe 2:1 margin thanks to the integrated piston magnet for position confirmation.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SCM the Right Cylinder?
When sizing this 20 mm bore, compare it against its neighbors: the 16 mm bore yields 100.5 N of push at 0.5 MPa, while the 25 mm bore provides 245.3 N. Choose this model when your application requires that middle ground of 157 N. Because this is a double-acting cylinder, air drives the rod in both directions. Note that a standard cylinder drifts if air pressure drops or the valve is centered; the TPU bumpers only decelerate the stroke end and will not lock the load. Use a pilot-operated check valve or an external rod lock if you need to hold position vertically.
The 150 mm stroke is well within the 500 mm maximum standard stroke for this bore, but at this length you should watch for side loads to prevent rod bending. Its ISO 6432 mounting dimensions mean it drops directly into standard mini-cylinder brackets and clevises. The -S magnet enables CMSG, DMSG, or EMSG sensors, and the CM back cover offers a rounded rear profile for tight installations.
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 MI20X150SCM FAQ
This 20 mm bore cylinder uses a 1/8 inch air port. At 0.5 MPa it pushes with 157 N and pulls with 131.9 N. At 0.7 MPa the push is 219.8 N and pull is 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, the base MI uses fixed TPU bumper pads that decelerate the piston at the stroke end but are not an adjustable air cushion. For variable cushioning at high speeds, look at the MIC variant. This model does include a magnet (-S) for CMSG, DMSG, or EMSG sensors.
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