The AirTAC Airtac MI Mini Cylinders MI25X80SCAG is a genuine double acting round-body mini air cylinder with a Ø25mm bore and 80mm 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.
Rated at roughly 245 N push and 206 N pull at 0.5 MPa, the MI25X80SCAG combines a 25 mm bore with G1/8 BSPP ports - the parallel thread that seals on a bonded face washer instead of the thread flanks. This G-thread build is made to order against the standard PT version and drops straight into EU and Asia OEM lines plumbed to BSPP manifolds. The CA pivot/clevis back cover is fitted as standard, and the built-in -S magnet lets CMSG, DMSG or EMSG switches report rod position along the 80 mm stroke. Like every MI, this is a double-acting round-body mini cylinder with a riveted stainless-steel barrel and rod, so it shrugs off mild corrosion and washdown far better than painted minis in damp, food or outdoor spots. The ISO 6432 mounting interface for the O25 bore means standard mini brackets and clevises bolt on without redesign. In practice, plan for about 147 N of real work at 0.5 MPa, or count on it lifting roughly 12 kg vertically with a 2:1 margin. Fixed TPU bumper pads soften each stroke end - they decelerate, they do not cushion adjustably - and speed runs 30-800 mm/s.
| Model | Airtac MI Mini Cylinders MI25X80SCAG |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 80 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. |
| ×80 | 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.
The 245 N push at 0.5 MPa presses a sealing bar into film on packaging lines, and the stainless barrel copes with frequent wipe-downs around the product zone.
With about 147 N of practical work force available, the rod swings a washdown diverter gate between two lanes, and the G1/8 BSPP ports match EU-spec valve manifolds.
The 80 mm stroke seats connectors or snaps covers in a small assembly press, where the -S magnet and an EMSG switch confirm each completed cycle.
Compare the neighbours first: the MI16 delivers about 100 N push at 0.5 MPa, while the MI32 jumps to about 402 N - size down for compact fixtures, up for heavier clamping. This SKU carries the made-to-order G1/8 BSPP parallel port, so pick it when your manifold, fittings and regional plumbing standard are BSPP (common on EU/Asia OEM machines) rather than the standard PT taper that seals on the thread itself. The M10x1.25 male rod thread suits standard rod accessories. A plain MI drifts when the valve centres or air is lost - the bumpers only soften the stroke end, nothing holds position - so add an external rod lock or a pilot check valve if the load must stay put. The -S magnet is already fitted here, enabling CMSG/DMSG/EMSG switches, and FA flange, LB foot, SDB pivot or TC trunnion mounts can be combined with the CA clevis back cover.
Quick checklist
At 0.5 MPa the 25 mm bore pushes 245.3 N and pulls 206.1 N; at 0.7 MPa that rises to 343.4 N push and 288.5 N pull. The theoretical maximum is 50.0 kgf at 1.0 MPa. Operating pressure spans 0.15-1.0 MPa and speed 30-800 mm/s.
The trailing G specifies G1/8 BSPP parallel ports, which seal on a bonded face washer and match EU/Asia OEM plumbing - a made-to-order option versus the standard PT taper. S means the magnet for CMSG/DMSG/EMSG switches is built in, and CA is the pivot/clevis back cover, all on a riveted stainless-steel round body that conforms to the ISO 6432 mounting interface for O25.
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