
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100SRTC is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 100mm 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 100 mm stroke with precision. The Ø20 mm bore features a 1/8" port and an M8x1.25 male rod thread. Its stainless barrel and rod resist mild corrosion and washdown, giving it a real edge over painted-steel or aluminium minis in damp, food or outdoor spots. The riveted construction keeps the body compact and light.
Because it carries the -S suffix, a built-in piston magnet enables CMSG, DMSG or EMSG switches for position sensing. The ISO 6432 mounting interface drops directly into standard mini-cylinder brackets and clevises, simplifying spares and design. Plan for roughly 94 N of actual work at 0.5 MPa, which means it lifts about 8 kg vertically with a 2:1 safety margin. Fixed TPU bumper pads soften the stroke-end impact without offering adjustable cushioning.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X100SRTC |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 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. |
| ×100 | 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 routing flap on a packaging line, using the 157 N thrust to push cardboard cartons into secondary lanes at 30-800 mm/s.
Ejects processed fluid samples from a testing carousel, where the stainless rod withstands mild chemical splashes and the 100 mm stroke clears the workspace.
Raises lightweight access hatches on material bins, lifting roughly 8 kg lids vertically with a safe 2:1 margin at 0.5 MPa.
When sizing this bore, the smaller Ø16 generates 100.5 N of push at 0.5 MPa, while stepping up to the Ø25 yields 245.3 N. If your application needs adjustable air cushioning for high-speed cycles, consider the MIC variant instead of the base MI. This specific SKU includes an R axial-in back cover port and a TC trunnion mount for pivot-style installations.
A plain cylinder does not hold its load if air pressure drops or the valve is centred; the piston will drift, and the fixed TPU pads only decelerate near the stroke end rather than acting as a lock. To support a suspended load, specify an external rod lock or a pilot-operated check valve. With a 100 mm stroke, ensure the TC trunnion is aligned to prevent side-load stress and rod bending.
Quick checklist
The Ø20 mm bore has a 1/8" 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 force of 32 kgf at 1.0 MPa.
Yes, the -S suffix means it has a built-in magnet for CMSG, DMSG or EMSG switches. The TC accessory denotes a trunnion mount, and combined with the R axial-in back cover, it allows pivot mounting while keeping hose routing axial.
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