
The AirTAC Airtac MIC Cushioned Mini Cylinder MIC20X20SU is a genuine double acting + cushion round-body mini air cylinder with a Ø20mm bore and 20mm 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.
Handling short 20 mm strokes with authority, this AirTAC round-body mini cylinder brings variable air cushioning to both stroke ends. The stainless steel barrel and rod shrug off mild washdown environments while delivering 157 N of push force at 0.5 MPa. A 1/8 inch port feeds the Ø8 mm piston rod, and the built-in magnet (-S) supports CMSG, DMSG, and EMSG position switches.
Because the needle-set cushion actively decelerates the load near the end of travel, it runs quieter than a fixed bumper. Based on the 0.5 MPa push rating, you get a safe working load of roughly 94 N, which means it lifts about 8 kg vertically with a 2:1 safety margin. The U-style 90-degree rear cover simplifies port orientation in tight assemblies.
| Model | Airtac MIC Cushioned Mini Cylinder MIC20X20SU |
|---|---|
| Series | MIC ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 20 mm |
| Acting type | Double acting + cushion |
| 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 | Variable air cushion, both ends |
| 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.
| MIC | ISO 6432 round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×20 | 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.
Shoots light plastic or metal parts out of a machining center at speed, relying on the dual air cushions to prevent harsh slamming during rapid 20 mm strokes.
Folds carton flaps on a packaging line where the 94 N safe working load is plenty, while the stainless build resists incidental moisture.
Acts as a short-stroke diverter for small electronic components, using the integrated magnet to trigger CMSG sensors for precise position confirmation.
If 157 N of push is excessive for a delicate task, dropping down to the Ø16 bore yields 100.5 N; conversely, stepping up to the Ø25 bore provides 245.3 N when this 20 mm unit stalls under load. The adjustable cushion shines when cycling at high speeds or moving heavier masses, as it prevents harsh end-of-stroke impacts. Remember that the cushion only decelerates the piston—it is not a brake. If your system loses air, the rod will drift, so fit an external rod lock or pilot check valve to suspend loads safely. The -S magnet enables electronic or reed sensors, and you can mount via LB foot, FA flange, or TC trunnion.
Quick checklist
This double-acting cylinder uses 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 of 32 kgf at 1.0 MPa.
No. The -S denotes a built-in piston magnet for CMSG, DMSG, or EMSG sensors, and the needle-set air cushion only decelerates the piston near stroke end to reduce shock. It does not lock or hold position; you need an external rod lock or pilot check valve to prevent drifting on air loss.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
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