
The AirTAC Airtac MI25~40 Stainless Steel Mini Cylinder MI25X600CM is a genuine double acting round-body mini air cylinder with a Ø25mm bore and 600mm 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.
Generating 245.3 N of push force at 0.5 MPa, this double-acting round-body mini cylinder handles substantial work despite its compact footprint. The 600 mm stroke on this Ø25 bore unit is a non-standard, made-to-order length that exceeds the 500 mm catalogue maximum, making it ideal for applications requiring extended reach. Its stainless-steel barrel and piston rod shrug off mild corrosion, outperforming painted alternatives in damp or washdown settings. Fixed TPU bumper pads absorb the impact at stroke extremes without offering adjustable cushioning.
Because air extends and retracts the rod, you can plan for roughly 147 N of safe working load at 0.5 MPa, or figure it will lift about 12.5 kg vertically with a 2:1 safety margin. The CM round end back cover provides a clean rear profile for straightforward port and mounting orientation. This SKU lacks the -S magnet, so it cannot host CMSG, DMSG, or EMSG switches; add the -S variant if you require position sensing.
| Model | Airtac MI25~40 Stainless Steel Mini Cylinder MI25X600CM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø25 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 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). |
|---|---|
| 25 | 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.
Uses the 600 mm stroke to push heavy cartons across wide transfer belts, utilising the 245.3 N push force to overcome friction without sticking.
Leverages the stainless-steel barrel and rod to operate stainless diverting gates in damp food packaging lines where mild corrosion resistance is required.
Employs the 12.5 kg vertical lift capacity to eject completed metal brackets from a press bed, safely clearing the die before the next cycle.
When sizing this actuator, compare it against its neighbours: a Ø20 bore provides 157.0 N of push at 0.5 MPa, while stepping up to a Ø32 yields 402.2 N. The Ø25 hits a useful middle ground at 245.3 N. Remember that venting the air supply or centering the control valve causes the piston to drift; the TPU bumpers only soften the end-of-stroke impact and do not function as a brake. To suspend a load safely mid-stroke, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
The 1/8" port and M10x1.25 male rod thread are fixed by the bore size. The 600 mm stroke is non-standard and made-to-order, so verify delivery timelines. At this extended length, be mindful of side loads and rod bending—ensure the load is guided to prevent premature seal wear. The CM round end back cover accommodates standard mini-cylinder brackets, and you can utilise LB foot, FA flange, SDB pivot, or TC trunnion mounts to suit your frame.
Quick checklist
This Ø25 bore cylinder features a 1/8" port and an M10x1.25 male rod thread. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, 343.4 N push and 288.5 N pull at 0.7 MPa, with a theoretical maximum force of 50 kgf at 1.0 MPa.
No, this specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG switches; you would need the -S variant for sensing. It relies on fixed TPU bumper pads to decelerate the stroke end and does not feature an adjustable air cushion.
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