Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80CM
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80CM is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 80mm 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
- Stroke80 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80CM
Generating 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles an 80 mm stroke with a sturdy Ø8 mm piston rod. The riveted barrel and rod resist mild corrosion, outperforming painted alternatives in damp or washdown settings. Its rear CM round end provides a clean, compact profile for tight machine envelopes.
Designed to ISO 6432 mounting dimensions, the unit drops directly into standard mini-cylinder brackets and clevises. The fixed TPU bumper pads absorb end-of-stroke impact without offering adjustable cushioning. For position feedback, you would need the -S magnet version, as this base SKU lacks a magnet and cannot host CMSG, DMSG, or EMSG switches. It operates on a 1/8" port at speeds between 30-800 mm/s.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80CM Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80CM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 80 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 MI20X80CM
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×80 | 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 MI20X80CM Is Used
Package Diverter Arm
Pushes light cardboard cartons on a packaging line using 157 N of thrust, where the stainless build survives occasional washdowns.
Small Parts Ejector
Ejects molded plastic parts from a press over an 80 mm travel distance, relying on the fixed TPU pads to soften the retraction impact.
Pneumatic Stop Gate
Acts as a momentary stop for bins on a gravity roller conveyor, dropping down 80 mm to halt workflow before resetting.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80CM the Right Cylinder?
When sizing this 20 mm bore, the adjacent 16 mm option yields 100.5 N push at 0.5 MPa, while stepping up to the 25 mm bore provides 245.3 N. 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. An 80 mm stroke is well within the 500 mm maximum, though keeping side-loads minimal protects the rod from bending.
Because this is a standard double-acting cylinder, venting the air or centering the valve lets the piston drift; the TPU pads only decelerate the stroke end and do not lock the load. To suspend a weight safely, install an external rod lock or a pilot-operated check valve. You can mount it using LB foot, FA flange, SDB pivot, or TC trunnion hardware.
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 MI20X80CM FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N. At 0.7 MPa it pushes 219.8 N and pulls 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa. The air port is 1/8 inch.
No, this specific SKU lacks a magnet and cannot host CMSG, DMSG, or EMSG switches. You must select the -S variant for position sensing. It uses fixed TPU bumper pads rather than an adjustable air cushion.
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