
The AirTAC MIJ Adjustable Cylinder MIJ25X125-10 is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø25mm bore and 125mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface fits standard ISO 6432 mini-cylinder mounting interfaces.
Dialing in a precise forward end position on-site is effortless with this stainless-steel round-body mini cylinder, thanks to an external stop screw that shortens the extend stroke by up to 10 mm. The AirTAC MIJ25X125-10 is a double-acting actuator featuring a 25 mm bore, a 125 mm nominal stroke, and a 1/8" air port. Because the adjuster trims only the forward end, the retract stroke remains full.
It conforms to the ISO 6432 mounting interface for standard mini brackets, uses fixed TPU bumper pads for end deceleration, and lacks a magnet, so it cannot host position sensors.
| Model | Airtac MIJ Adjustable Cylinder MIJ25X125-10 |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 125 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 206 N |
| 0.7 MPa | 289 N |
| Max (@1.0 MPa) | 42 kgf |
MIJ / MICJ are double-rod: the rear rod that carries the stroke adjuster exits the rear cover, so both piston faces lose rod area. The rod-side (annular) area is used for both directions (conservative).
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 25 | Bore size in mm. |
| ×125 | Stroke length in mm. |
| -10 | Adjustable stroke window (mm the extend stroke can be shortened on site). |
| -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 (double rod, adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Adjust the forward end on the fly to route boxes of varying widths onto diverter lanes, relying on the 12.5 kg vertical lift capacity for stable routing.
When sizing this actuator, compare it against adjacent bores: stepping down to a Ø20 MIJ drops the 0.5 MPa push force to 157.0 N, while stepping up to a Ø32 MIJ raises it to 402.2 N. The 10 mm external stop screw is highly useful for taking up mechanical tolerances or matching multiple setup positions from a single part number. Remember that the stop screw sets the end position but does not act as a mid-stroke lock; the piston will drift on air loss, so fit an external rod lock or pilot check valve for held loads. Mounting options include LB foot, FA flange, and TC trunnion (SDB pivot-block is unavailable), and because this specific SKU lacks the -S magnet, it cannot accept CMSG, DMSG, or EMSG sensors.
Quick checklist
This 25 mm bore cylinder features a 1/8" air port and a male M10x1.25 rod thread. The theoretical maximum force is 50 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 10 mm on-site, while the retract stroke remains full. The screw is not a mid-stroke lock, so the piston drifts on air loss. This SKU has no magnet and cannot take CMSG/DMSG/EMSG sensors; you need the -S variant for sensing.
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