Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500U
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500U is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 500mm 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
- Stroke500 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500U
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles long 500 mm strokes with a 1/8 inch port and an M8x1.25 male rod thread. The U suffix specifies a 90-degree rear cover, routing the air supply neatly perpendicular to the barrel for tight machine layouts. Its stainless construction resists mild corrosion and washdown better than painted alternatives.
The riveted body keeps the unit compact, while fixed TPU bumper pads absorb impact at the stroke extremes. Plan for roughly 94 N of actual work at 0.5 MPa, which translates to lifting about 8 kg vertically with a safe 2:1 margin. Because this SKU lacks the -S magnet, it cannot host CMSG, DMSG or EMSG sensors.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500U Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500U |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 500 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 MI20X500U
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×500 | 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 MI20X500U Is Used
Carton Push-off Diverter
Uses the 157 N push at 0.5 MPa to shove corrugated cartons sideways onto a secondary packaging line over a 500 mm reach.
Vertical Parts Elevator
Lifts about 8 kg of metal hardware between conveyor tiers using the 2:1 safety margin, relying on the 90-degree U cover for clean port access.
Long-Reach Sorting Gate
Swings a diverter arm across a 500 mm wide sorter track, utilizing the stainless rod to endure mildly humid ambient conditions.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500U the Right Cylinder?
When sizing this 20 mm bore, the adjacent 16 mm option yields 100.5 N push at 0.5 MPa, whereas stepping up to the 25 mm bore provides 245.3 N. This model hits a solid middle ground for 500 mm travel. Note that a plain cylinder drifts if air pressure drops or the valve centers; the bumpers only decelerate the end of stroke and will not lock the load. Use an external rod lock or pilot check valve for secure holding.
The 90-degree U back cover suits perpendicular porting, and standard LB foot, FA flange, or TC trunnion brackets fit the ISO 6432 mounting interface. Pushing a load out to 500 mm invites rod bending, so guide the load externally to avoid side-loading the piston.
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 MI20X500U FAQ
This 20 mm bore cylinder features a 1/8 inch port and an M8x1.25 male rod thread. It generates 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum of 32 kgf at 1.0 MPa.
No, this specific SKU lacks the internal magnet required for switches. You must select the -S variant to use CMSG, DMSG or EMSG sensors. Additionally, its ISO 6432 mounting dimensions allow it to drop directly into standard mini-cylinder brackets and clevises.
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