
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X160SU is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 160mm 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 160 mm stroke with ease. The Ø20 mm bore uses a 1/8" port and an M8x1.25 male rod thread. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown settings. Riveted construction keeps the body compact, while fixed TPU bumper pads absorb impact at the stroke ends.
For practical sizing, plan for roughly 94 N of real work at 0.5 MPa, which safely lifts about 8 kg vertically with a 2:1 margin. The built-in -S magnet supports CMSG, DMSG, and EMSG switches for position sensing. Because it conforms to ISO 6432 mounting dimensions, it drops directly into standard mini-cylinder brackets and clevises.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X160SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 160 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. |
| ×160 | 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 light cardboard cartons on a packaging line using 157 N of thrust, with the U cover allowing a compact 90-degree pivot mount.
Maintains yarn tension across a 160 mm travel distance, relying on the stainless rod to resist humid manufacturing environments.
Opens and closes access hoppers on storage bins, safely lifting roughly 8 kg lids vertically with a 2:1 safety margin.
When sizing this 160 mm stroke model, verify your load against the 157 N push and 131.9 N pull at 0.5 MPa. If you need less force, the Ø16 bore offers 100.5 N; stepping up to the Ø25 yields 245.3 N. For a 160 mm extension, watch out for side loads that could bend the Ø8 mm rod. The U back cover provides a 90-degree mounting option, complementing LB foot, FA flange, and TC trunnion styles.
Remember that a standard double-acting cylinder drifts when air is lost or the valve is centred, as the TPU pads only soften the end of travel rather than locking the piston. To suspend a vertical load securely, add an external rod lock or a pilot-operated check valve.
Quick checklist
This Ø20 mm bore cylinder features a 1/8" port and an M8x1.25 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 of 32 kgf at 1.0 MPa.
The -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG switches. It uses fixed TPU bumper pads to decelerate at stroke ends, not an adjustable air cushion. For adjustable cushioning, look at the MIC variant.
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