
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X48SCA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 48mm 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 robust actuation tasks. The riveted barrel and rod resist mild corrosion, making it superior to painted alternatives in damp environments. It operates on a 1/8" port and relies on fixed TPU bumper pads to decelerate the stroke end.
Featuring an integrated piston magnet for CMSG, DMSG, or EMSG switches, the unit supports position sensing. For real-world work at 0.5 MPa, plan for roughly 94 N of usable load. This translates to lifting about 8 kg vertically with a 2:1 safety margin, giving you a clear baseline for matching part weights.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X48SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 48 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. |
| ×48 | 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.
Pushes small to medium cartons on a packaging line using its 8 kg safe vertical lift capacity.
Maintains thread tension in humid textile facilities where the stainless rod prevents mild corrosion.
Operates pivot-mounted discharge gates on bulk hoppers via the CA clevis rear mounting.
When sizing this 20 mm bore, compare it against the 16 mm bore (100.5 N push at 0.5 MPa) for lighter duties, or step up to the 25 mm bore (245.3 N push at 0.5 MPa) if you need more thrust. The built-in magnet allows seamless sensor integration, while the CA back cover provides a pivot clevis for angular articulation.
Remember that venting the air supply causes the piston to drift, as the bumpers only soften end impacts without locking the rod. To suspend a load securely during an air loss event, install an external rod lock or pilot check valve.
Quick checklist
It generates 157 N push and 131.9 N pull at 0.5 MPa, or 219.8 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa. Air is supplied through a 1/8" port.
Yes, the S designation means it has a piston magnet for CMSG, DMSG, or EMSG switches. The CA back cover provides a pivot clevis joint, and it uses the ISO 6432 mounting interface for standard mini brackets.
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