
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X220CA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 220mm 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.
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 220 mm stroke with a CA pivot clevis. The 1/8 inch port and M8x1.25 male rod thread ensure straightforward pneumatic integration. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted-steel alternatives in damp or washdown settings. Fixed TPU bumper pads absorb the impact at stroke extremes, decelerating the motion without offering adjustable cushioning.
For practical sizing, 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. Because this SKU lacks the -S magnet, it cannot accept CMSG, DMSG or EMSG position switches. The 220 mm stroke sits well within the 500 mm maximum, and the CA rear cover provides a robust pivot point for articulating mechanisms.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X220CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 220 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.
| 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.
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×220 | 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.
Actuates a swinging gate on a packaging line to route parcels, utilizing the 157 N push force and CA pivot clevis for smooth angular rotation.
Indexes metal trays into a testing fixture over a 220 mm travel distance, where the stainless construction resists humid factory conditions.
Shifts a yarn guide mechanism back and forth, relying on the fixed TPU bumper pads to soften the impact at the end of each rapid cycle.
When sizing this 20 mm bore, compare it against its neighbours: the 16 mm bore yields 100.5 N of push at 0.5 MPa, while the 25 mm bore provides 245.3 N. If your mechanism experiences air loss or the valve is centred, the piston will drift, as the TPU bumpers only soften the stroke end rather than locking the load; employ an external rod lock or pilot check valve for secure holding. The CA pivot clevis suits angular movement, but with a 220 mm extension, be mindful of side-loading and rod-bending forces to prevent premature seal wear.
Quick checklist
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 force of 32 kgf at 1.0 MPa.
No, this specific SKU lacks the internal magnet, so it cannot accept CMSG, DMSG or EMSG switches; you would need the -S variant for sensing. It does conform to ISO 6432 mounting dimensions for Ø20, allowing it to drop into standard mini-cylinder brackets and clevises.
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