Airtac MI16-20 Stainless Steel Mini Cylinder MI20X250CA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X250CA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 250mm 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
- Stroke250 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X250CA
Delivering 157 N of push force at 0.5 MPa, the AirTAC MI20X250CA is a double-acting round-body mini cylinder built for demanding automation tasks. The stainless-steel barrel and piston rod resist mild corrosion, giving it a real edge over painted-steel alternatives in damp or washdown environments. Its Ø20 mm bore uses a 1/8" port and an M8x1.25 male rod thread, while the 250 mm stroke falls well within the 500 mm standard limit for this size.
The riveted construction keeps the body compact, and fixed TPU bumper pads absorb the impact at stroke extremes. For practical sizing, plan for a safe working load of about 94 N, which means this actuator can comfortably lift an 8 kg part vertically with a 2:1 safety margin. Because this specific SKU lacks the -S magnet, it cannot accept CMSG, DMSG or EMSG position switches.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X250CA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X250CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 250 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 MI20X250CA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×250 | 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 MI20X250CA Is Used
Package Diverter Gate
Actuates a routing flap on a packaging line, using the CA pivot mount to swing the 250 mm stroke and redirect boxes smoothly.
Vertical Parts Lift
Raises lightweight plastic totes weighing up to 8 kg between conveyor tiers, leveraging the 157 N push force at 0.5 MPa.
Welding Shield Positioner
Deploys a heat shield on a robotic welding cell, where the stainless steel construction withstands spatter and ambient humidity.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X250CA the Right Cylinder?
When sizing this 20 mm bore actuator, compare it against its neighbours: a 16 mm bore provides 100.5 N of push at 0.5 MPa, while stepping up to a 25 mm bore yields 245.3 N. The 250 mm stroke provides ample travel but requires attention to side loading; ensure your front mounting guides the load to prevent rod bending over that distance. The CA back cover equips the cylinder for pivot or clevis mounting, ideal for articulating mechanisms.
Remember that a standard double-acting cylinder drifts when air pressure is lost or the valve is centred, as the TPU bumpers only decelerate the end of stroke and act as neither a brake nor a lock. To suspend a load safely mid-cycle, integrate an external pilot-operated check valve or a dedicated rod lock. If your application requires position feedback, you must select the -S magnet variant to enable sensor mounting.
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 MI20X250CA FAQ
This 20 mm bore cylinder features a 1/8" port and an M8x1.25 male rod thread. At 0.5 MPa it generates 157 N of push force and 131.9 N of pull force. At 0.7 MPa the push increases to 219.8 N and the pull to 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, because this specific SKU does not include the -S magnet, it cannot accept CMSG, DMSG or EMSG magnetic switches. You would need to order the -S variant of this cylinder to enable switch mounting. The unit does conform to ISO 6432 mounting dimensions and features a CA pivot clevis for easy installation.
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