Airtac MI16-20 Stainless Steel Mini Cylinder MI20X260SU
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X260SU is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 260mm 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
- Stroke260 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X260SU
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 260 mm stroke with ease. The riveted barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. Its built-in piston magnet (-S) supports CMSG, DMSG and EMSG switches for position sensing, while the rear U cover provides a 90-degree mounting and port orientation for tight spaces. Plan for roughly 94 N of actual work at 0.5 MPa, which translates to lifting about 8 kg vertically with a 2:1 safety margin.
Air extends and retracts the Ø8 mm rod through a 1/8" port, conforming to ISO 6432 mounting dimensions for standard mini brackets. Fixed TPU bumper pads decelerate the piston at stroke ends, though they do not act as an adjustable air cushion. Operating pressure ranges from 0.15-1.0 MPa, with speeds of 30-800 mm/s.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X260SU Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X260SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 260 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 MI20X260SU
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×260 | 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 MI20X260SU Is Used
Package Diverter Gate
Pushes lightweight cardboard cartons on a packaging line using 157 N of thrust, with the U cover fitting neatly into the conveyor frame.
Textile Loom Tensioner
Handles the 260 mm stroke to maintain fabric tension in humid textile mills, relying on the stainless rod to resist mild corrosion.
Bin Lid Actuator
Lifts an 8 kg hopper lid vertically using a 2:1 safety margin, triggering a DMSG sensor via the built-in magnet to confirm open status.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X260SU the Right Cylinder?
When sizing this 20 mm bore, stepping down to a 16 mm bore lowers the push force to 100.5 N at 0.5 MPa, while moving up to a 25 mm bore increases it to 245.3 N. This model includes the -S magnet for electronic or reed sensors, and its 260 mm stroke is well within the 500 mm standard limit, though long strokes increase side-load and rod-bending risks. The 90-degree U back cover suits compact footprints.
Remember that a plain double-acting cylinder drifts when air is lost or the valve is centred; the TPU bumpers only soften the end of travel and never lock the load. Use an external rod lock or pilot-operated check valve if you need to hold a vertical position securely.
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 MI20X260SU FAQ
This 20 mm bore cylinder features a 1/8" 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, it uses fixed TPU bumper pads to decelerate at the stroke end, not an adjustable air cushion. It also does not hold position on air loss; the piston drifts. You must add an external rod lock or pilot check valve for secure load holding.
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