
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SCM is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 25mm 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 100.5 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact actuation with ease. The Ø16 mm bore uses a 1/8" port and a Ø6 mm piston rod, while the riveted stainless construction resists mild corrosion in damp or washdown environments better than painted alternatives.
It includes a built-in piston magnet for CMSG, DMSG or EMSG switches, and features a CM round rear cover. The fixed TPU bumper pads decelerate the stroke end to reduce impact. For practical sizing, plan for about 60 N of real work at 0.5 MPa, which means it lifts roughly 5.1 kg vertically with a 2:1 safety margin.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SCM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 25 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M6×1.0 |
| 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 | 101 N | 86 N |
| 0.7 MPa | 141 N | 121 N |
| Max (@1.0 MPa) | 21 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). |
|---|---|
| 16 | Bore size in mm. |
| ×25 | 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 sorting flaps on packaging lines, using the 100.5 N thrust to push lightweight cardboard cartons into the correct lane.
Ejects filled test tubes from a carousel using the 25 mm stroke, where the stainless body withstands daily chemical wipe-downs.
Secures plastic housings during a ultrasonic welding process, applying a safe 60 N holding force without crushing the component.
When sizing this actuator, the Ø16 mm bore sits comfortably between the smaller Ø12 mm option (56.5 N push at 0.5 MPa) and the larger Ø20 mm model (157.0 N push). If your task demands higher kinetic energy at cycle ends, consider the MIC variant for its adjustable air cushion, as this base MI relies solely on fixed TPU bumpers. The 25 mm stroke keeps the rod compact, minimizing side-load bending risks.
Because the -S suffix equips this unit for position sensing, you can easily integrate reed or electronic switches. Note that venting or centering the directional valve will cause the piston to drift, as the bumpers only soften the end of travel rather than locking the load; add a pilot-operated check valve if you need to maintain vertical position.
Quick checklist
This Ø16 mm bore cylinder features a 1/8" port and a Ø6 mm rod. It generates 100.5 N push and 86.4 N pull at 0.5 MPa, 140.7 N push and 120.9 N pull at 0.7 MPa, with a theoretical maximum force of 20.5 kgf at 1.0 MPa.
Yes, the Ø16 mm dimension adheres to ISO 6432 mounting interfaces, allowing it to drop into standard mini-cylinder brackets and clevises. Additionally, the -S designation means it has an internal magnet ready for CMSG, DMSG or EMSG switches.
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