Airtac MI16-20 Stainless Steel Mini Cylinder MI20X230U
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X230U is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 230mm 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
- Stroke230 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X230U
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 230 mm stroke 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 settings. Riveted construction keeps the body compact, while fixed TPU bumper pads absorb the impact at stroke extremes.
For practical sizing, plan for about 94 N of real work at 0.5 MPa, which means it can lift roughly 8 kg vertically with a 2:1 safety margin. Because this SKU lacks the -S magnet, it cannot host CMSG, DMSG or EMSG sensors. The U back cover provides a 90-degree port orientation, simplifying hose routing in tight machinery layouts.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X230U Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X230U |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 230 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 MI20X230U
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×230 | 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 MI20X230U Is Used
Package Diverter Arm
Actuates a routing flap on a packaging line, using the 157 N push force to redirect cartons at 90 degrees without stalling under moderate friction.
Textile Loom Tensioner
Maintains thread tension dynamics by extending 230 mm to position guide bars, benefiting from the stainless build in humid manufacturing environments.
Bin Lid Opener
Lifts access hatches on material hoppers, easily handling the 8 kg vertical load capacity while the U rear cover keeps air lines neatly tucked away.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X230U the Right Cylinder?
When sizing this unit, the smaller Ø16 bore generates 100.5 N of push at 0.5 MPa, whereas the larger Ø25 bore yields 245.3 N, giving you clear scaling options if 157 N is borderline for your motion profile. Operating pressure spans 0.15-1.0 MPa, and the 230 mm stroke is well within the 500 mm maximum standard stroke for this bore. You can mount it using LB foot, FA flange, SDB pivot, or TC trunnion hardware.
Keep in mind that a standard double-acting cylinder drifts if air pressure drops or the valve is centred, as the TPU pads only soften the end-of-stroke impact rather than locking the rod. If your assembly must hold a vertical load securely during an air loss event, incorporate an external rod lock or a pilot-operated check valve. Additionally, the 230 mm stroke demands careful alignment to prevent rod bending and premature seal wear from side loads.
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 MI20X230U FAQ
At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it provides 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.
No, this specific SKU does not include a magnet, so it cannot support CMSG, DMSG, or EMSG switches. You would need the -S variant for sensing capabilities. It uses fixed TPU bumper pads for end-of-stroke deceleration rather than an adjustable air cushion.
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