
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI32X200SUTC is a genuine double acting round-body mini air cylinder with a Ø32mm bore and 200mm stroke, 1/4" 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 MI32X200SUTC is a robust double-acting round-body mini cylinder built for demanding automation. Its stainless-steel barrel and Ø12 mm piston rod shrug off mild corrosion, making the unit far superior to painted alternatives in damp or washdown environments. The 1/4" port supplies air efficiently, while fixed TPU bumper pads absorb stroke-end impacts without requiring manual adjustment.
For real-world sizing, plan for a safe working load of roughly 241 N, which is about 60 percent of the 0.5 MPa rating. This translates to lifting a 20.5 kg part vertically with a safe 2:1 margin. Because this SKU includes the -S magnet, you can mount CMSG, DMSG or EMSG switches directly for position sensing. The U back cover provides a 90-degree port orientation, and the included TC trunnion mounting simplifies pivot integration.
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI32X200SUTC |
|---|---|
| Series | MI mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 200 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| 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. |
| ×200 | 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 heavy routing flap on a logistics conveyor, using the 402.2 N push force to redirect parcels reliably without stalling.
Maintains precise fabric tension via the TC trunnion pivot, absorbing high-frequency stroke impacts through the fixed TPU bumper pads.
Pushes cartons onto low-height pallets, lifting up to 20.5 kg loads vertically while CMSG sensors confirm the extension cycle.
When sizing this 32 mm bore, compare it directly with its neighbours: a 25 mm bore yields 245.3 N of push at 0.5 MPa, whereas stepping up to a 40 mm bore provides 628.3 N. Choose this 200 mm stroke model when you need that intermediate force and a moderate extension range. The TC trunnion bracket handles pivoting loads well, but ensure your guiding structure prevents side-load rod bending over the 200 mm travel.
Remember that the fixed TPU bumpers only decelerate the piston near the stroke end; they do not function as a brake. If air pressure drops or the valve is centred, the rod will drift and drop the load. To maintain vertical position safely, install an external pilot-operated check valve or a dedicated rod lock alongside the cylinder.
Quick checklist
This 32 mm bore cylinder features a 1/4" air port and an M10x1.25 male rod thread. It generates 402.2 N push and 345.6 N 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, the Ø32 bore exceeds the ISO 6432 standard dimensions, so it uses a general round-body mini cylinder footprint. Additionally, this base MI model relies on fixed TPU bumper pads for end-of-stroke deceleration; it does not have the adjustable air cushion found in the MIC variant.
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