
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80SU is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 80mm 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 an 80 mm stroke with a sturdy Ø8 mm piston rod. The riveted barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown settings. Because it carries the -S suffix, a built-in piston magnet is included for direct mounting of CMSG, DMSG or EMSG switches.
The 1/8 inch port feeds air efficiently, 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 translates to lifting an 8 kg part vertically with a safe 2:1 margin. Its U-type back cover provides a 90-degree port orientation, simplifying hose routing in tight machinery.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X80SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 80 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. |
| ×80 | 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 lightweight routing flap on a packaging conveyor, using the 8 kg vertical lift capacity to swing the guide smoothly.
Maintains consistent yarn tension in a humid textile facility, relying on the stainless-steel construction to resist ambient moisture.
Cycles an 80 mm stroke to push small cardboard cartons into a stacking chute, with the U-type cover keeping air lines compact.
When sizing this 20 mm bore unit, the smaller Ø16 generates 100.5 N of push at 0.5 MPa, whereas stepping up to the Ø25 yields 245.3 N, helping you bracket your exact load requirement. The 80 mm stroke is well within the 500 mm maximum, but always watch for rod-bending side loads on longer extensions. Remember that a plain cylinder drifts when air is lost or the valve is centred; the TPU pads only decelerate the end of stroke and act as neither a lock nor a brake. To suspend a load safely, fit an external rod lock or a pilot-operated check valve.
Quick checklist
This double-acting cylinder uses a 1/8 inch air port. 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.
Yes, it conforms to ISO 6432 mounting dimensions for Ø20 bores, so it drops into standard mini-cylinder brackets and clevises. The -S magnet allows direct fitting of CMSG, DMSG or EMSG switches for position sensing.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models usually ship in 3-4 days.
Most inquiries answered within 7-8 hours.
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.