
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI32X600SU is a genuine double acting round-body mini air cylinder with a Ø32mm bore and 600mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Generating 402.2 N of push force at 0.5 MPa, this double-acting round-body mini cylinder handles substantial work over a 600 mm reach. Because 600 mm exceeds the 500 mm standard stroke limit for this bore, it is manufactured as a made-to-order unit. The stainless-steel barrel and Ø12 rod resist mild corrosion and washdown, giving it a real edge over painted alternatives in damp environments. A 1/8" port supplies air, while the built-in magnet enables CMSG, DMSG or EMSG switches for position sensing.
Plan for roughly 241 N of actual work at 0.5 MPa to maintain a safe margin, which translates to lifting about 20.5 kg vertically. The U back cover provides a 90-degree port orientation for tight installations. Fixed TPU bumper pads absorb the impact at stroke extremes, decelerating the piston without adjustable cushioning.
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI32X600SU |
|---|---|
| Series | MI mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 600 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. |
| ×600 | 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.
Pushes heavy sorting flaps on packaging lines using its 402.2 N push force, while the stainless build survives washdown cycles.
Uses the full 600 mm stroke to index large cardboard boxes across a roller bed, lifting parts up to 20.5 kg safely.
Raises and lowers a heavy metal shield with its 563 N output at 0.7 MPa, relying on the U cover for compact 90-degree port routing.
If 402.2 N at 0.5 MPa is too much, the smaller Ø25 bore supplies 245.3 N; if you need more power, the Ø40 bore steps up to 628.3 N. Because this 600 mm stroke exceeds the 500 mm standard, expect a made-to-order lead time and ensure your mounting supports the rod to prevent side-loading and bending over that long extension. The U-type rear cover offers a 90-degree port layout, and the included -S magnet supports CMSG/DMSG/EMSG sensors.
Remember that a standard cylinder drifts when air is lost or the valve is centred, as the TPU pads only soften the end of travel rather than locking the load. To suspend a weight securely during an air failure, fit an external rod lock or a pilot-operated check valve.
Quick checklist
This 32 mm bore cylinder features a 1/8" port and a Ø12 mm rod with an M10x1.25 male thread. It generates 402.2 N push and 345.6 N pull at 0.5 MPa, or 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 piston will drift if air is lost or the valve is centered. The fixed TPU bumper pads only decelerate the stroke end and do not act as a brake. You must add an external rod lock or pilot check valve to hold a suspended load safely.
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