Airtac MI16-20 Stainless Steel Mini Cylinder MI20X185CA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X185CA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 185mm 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
- Stroke185 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X185CA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles demanding 20 mm bore tasks. The 1/8 inch port feeds the 8 mm rod to generate 131.9 N of pull on the return stroke. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown settings. Fixed TPU bumper pads absorb the impact at stroke ends, while the riveted construction keeps the body compact.
With a 185 mm stroke, the unit yields a safe working load of roughly 94 N for continuous operation. That translates to lifting about 8 kg vertically with a 2:1 safety margin, letting you match real part weights directly. The CA rear pivot cover allows clevis mounting, and because it lacks the -S suffix, this specific SKU cannot accept CMSG, DMSG or EMSG magnetic sensors.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X185CA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X185CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 185 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 MI20X185CA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×185 | 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 MI20X185CA Is Used
Diverter Gate Actuation
Pushes light routing flaps on packaging lines using its 157 N thrust, with the CA pivot absorbing lateral play during the 185 mm travel.
Carton Lid Flap Folding
Folds corrugated cardboard flaps in damp dispatch areas where the stainless steel barrel prevents mild corrosion from ambient humidity.
Sample Tube Ejection
Ejects filled test tube racks from laboratory automation, lifting about 8 kg of vertical mass safely during the retraction cycle.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X185CA the Right Cylinder?
When sizing this 20 mm bore, the smaller 16 mm option yields 100.5 N of push, whereas the larger 25 mm bore provides 245.3 N at 0.5 MPa. If your application loses air or the valve centres, the piston will drift; the bumpers only decelerate the end of travel and act as neither a brake nor a lock. To suspend a load securely, add an external rod lock or a pilot-operated check valve. For higher cycle speeds where adjustable end-cushioning is required, consider the MIC variant instead of relying on the fixed TPU pads.
The CA back cover suits pivot and clevis installations. Over the 185 mm extension, minimize side loading to prevent rod bending, and note that adding a magnet requires the -S version to enable switch sensing.
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 MI20X185CA FAQ
This 20 mm bore cylinder features a 1/8 inch port and an 8 mm rod. 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.
The CA back cover provides a pivot/clevis mounting interface conforming to ISO 6432 dimensions. Because this SKU lacks the -S suffix, it has no magnet and cannot accept CMSG, DMSG or EMSG switches; you must select the -S variant for position sensing.
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