
The AirTAC Airtac MIJ Adjustable Cylinder MIJ20X225-10 is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø20mm bore and 225mm 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.
Dial in a precise forward end position on the fly with this stainless-steel round-body mini cylinder. The external stop screw trims the extend stroke by up to 10 mm, letting you cover several stop distances with a single part number. The retract stroke remains full length. Built to the ISO 6432 mounting interface, it drops into standard mini brackets and clevises.
At 0.5 MPa the Ø20 mm bore delivers 157 N of push force and 131.9 N of pull, making the safe working load roughly 94 N or about 8 kg of vertical lift with a 2:1 margin. The stainless barrel and rod resist mild washdown corrosion. Air connects via a 1/8" port, and fixed TPU bumper pads decelerate the stroke ends. Note this SKU lacks a magnet, so it cannot host CMSG, DMSG or EMSG sensors without the -S option.
| Model | Airtac MIJ Adjustable Cylinder MIJ20X225-10 |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 225 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 20 | Bore size in mm. |
| ×225 | 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 (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Use the 10 mm extend trim to probe multiple part heights on a single fixture, relying on the 157 N push force to seat the gauge firmly against the workpiece.
Fine-tune the forward stop position on a packaging line to accept slightly different carton lengths without swapping out the entire actuator assembly.
Absorb mechanical tolerances in a light assembly press by dialing in the exact 215 to 225 mm extend position, preventing over-travel on delicate components.
When sizing this actuator, consider the next bore down (Ø16, 100.5 N push @0.5 MPa) for lighter tasks, or step up to the Ø25 (245.3 N push @0.5 MPa) if your load exceeds the 94 N safe working threshold. The 10 mm adjustment window is ideal for taking up mechanical tolerances during setup or matching multiple part heights without changing the cylinder.
Keep in mind the stop screw sets the forward end position but acts purely as an end stop, not a mid-stroke lock. If air pressure drops, the piston will drift and cannot hold a load. For suspended loads, install an external rod lock or pilot check valve. Mount using LB foot, FA flange or TC trunnion brackets, as the SDB pivot block is not available for this adjustable variant.
Quick checklist
This double-acting cylinder uses a 1/8" port and an M8x1.25 male rod thread. It generates 157 N push and 131.9 N pull at 0.5 MPa, or 219.8 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 10 mm, giving a usable forward range of 215 to 225 mm; the retract stroke remains fixed. Because this specific SKU lacks a magnet, it cannot support CMSG, DMSG or EMSG sensors. You would need the -S variant for position sensing.
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