
The AirTAC MIJ Adjustable Cylinder MIJ25X200-50 is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø25mm bore and 200mm 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.
Trimming the forward end by up to 50 mm via an external stop screw, this round-body stainless steel mini cylinder lets you dial in the exact extend position from 150 to 200 mm on site.
Built with a stainless barrel and rod for mild washdown resistance, it conforms to the ISO 6432 mounting interface for standard mini brackets. The 1/8" port and M10x1.25 male rod thread handle the pneumatic flow, while fixed TPU bumper pads decelerate the stroke end. This non-magnet SKU cannot host sensors; the -S variant is required for CMSG/DMSG/EMSG switches.
| Model | Airtac MIJ Adjustable Cylinder MIJ25X200-50 |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 200 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. |
| ×200 | Stroke length in mm. |
| -50 | 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.
Dial the screw in 5 mm increments to compensate for varying part thicknesses, applying a precise clamping force before a machining operation.
Fine-tune the forward end position to catch different pallet depths on a packing line, absorbing the impact with fixed TPU bumper pads.
If your application requires less force, stepping down to the 20 mm bore drops the push to 157.0 N, whereas moving up to the 32 mm bore increases it to 402.2 N. The 50 mm adjustment window is ideal for taking up mechanical tolerances during setup, allowing one part number to cover several intermediate stops without swapping cylinders.
Mount using LB foot, FA flange, or TC trunnion brackets, noting the SDB pivot block is not offered on this adjustable type. The stop screw sets the forward end position but acts purely as an end stop, not a mid-stroke lock; the piston will drift on air loss, so fit an external rod lock or pilot check valve to hold a suspended load.
Quick checklist
This 25 mm bore cylinder uses a 1/8" port and an M10x1.25 rod thread. At 0.5 MPa it pushes with 245.3 N and pulls with 206.1 N. At 0.7 MPa the push is 343.4 N and pull is 288.5 N. The theoretical maximum force is 50 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 50 mm on site, giving a usable forward range of 150 to 200 mm while retract remains full. The screw only sets the end position; it is not a mid-stroke lock, and the piston will drift on air loss. This non-magnet SKU cannot take sensors.
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