
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI32X100CM is a genuine double acting round-body mini air cylinder with a Ø32mm bore and 100mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Delivering 402.2 N of push force at 0.5 MPa, the AirTAC MI32X100CM is a double-acting round-body mini cylinder built for demanding automation. Its stainless-steel barrel and piston rod shrug off mild corrosion, making it superior to painted alternatives in damp or washdown environments. The unit features a CM round rear cover and a 1/8 inch air port, operating smoothly at speeds between 30 and 800 mm/s.
Instead of adjustable cushions, fixed TPU bumper pads absorb the impact at stroke extremes. For practical sizing, plan for roughly 241 N of usable work at 0.5 MPa, which translates to safely lifting about 20.5 kg vertically with a 2:1 margin. Note that because this SKU lacks the -S suffix, it cannot host CMSG, DMSG or EMSG magnetic sensors.
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI32X100CM |
|---|---|
| Series | MI mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 100 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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. Note: the Ø32 bore is a larger, non-ISO-6432 size.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MI | round-body mini cylinder (double-acting). |
|---|---|
| 32 | 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 routing gates on packaging lines, using its 402.2 N thrust to push heavy cartons onto secondary tracks at high cycle rates.
Maintains precise fabric tension in damp textile manufacturing environments, leveraging the stainless-steel construction to resist humid conditions.
Deploys a 100 mm stroke to halt incoming pallets on roller conveyors, relying on the fixed TPU bumpers to absorb the repeated impact.
When sizing this 32 mm bore, stepping down to a 25 mm version yields 245.3 N of push at 0.5 MPa, while stepping up to the 40 mm bore provides 628.3 N. Because this specific unit has no internal magnet, position sensing is impossible without upgrading to an -S variant. If your application requires the rod to stay put during a pressure drop or valve shift, remember the piston will drift; the TPU pads only soften the end of travel, so you must add an external rod lock or pilot check valve for true load holding.
The 100 mm stroke is well within the 500 mm maximum standard stroke limit, keeping the assembly compact. For this length, ensure your mounting arrangement—whether using LB foot brackets, FA flanges, or the CM round end back cover—prevents excessive side loading that could bend the 12 mm rod.
Quick checklist
This 32 mm bore cylinder features a 1/8 inch air port and a male M10x1.25 rod thread. It generates 402.2 N of push and 345.6 N of pull at 0.5 MPa, increasing to 563 N push and 483.8 N pull at 0.7 MPa. The theoretical maximum force is 82 kgf at 1.0 MPa.
No, because this specific SKU lacks the -S suffix, it does not have an internal magnet and cannot accept CMSG, DMSG, or EMSG switches. You would need to specify the -S variant to enable position sensing.
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