
The AirTAC Airtac MIJ Adjustable Cylinder MIJ20X225-10S 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-site with the AirTAC MIJ20X225-10S, a double-acting round-body mini cylinder featuring a 10 mm extend-stroke adjustment window. An external stop screw lets you shorten the forward stroke from its 225 mm nominal maximum down to 215 mm, absorbing setup tolerances without swapping hardware. The retract stroke remains full length. Built with a stainless-steel barrel and piston rod, this riveted construction handles mild corrosion and washdown environments. It conforms to the ISO 6432 mounting interface for standard mini brackets.
Delivering 157 N of push force and 131.9 N of pull force at 0.5 MPa, the Ø20 mm bore provides a computed safe working load of roughly 94 N, capable of vertically lifting about 8 kg with a 2:1 safety margin. The unit ports via 1/8" threads and uses an M8x1.25 male rod thread. Equipped with a piston magnet (-S), it supports CMSG, DMSG, and EMSG position switches. Fixed TPU bumper pads decelerate the stroke ends across its 30-800 mm/s speed range.
| Model | Airtac MIJ Adjustable Cylinder MIJ20X225-10S |
|---|---|
| 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.
Fine-tune a 215 to 225 mm diverting stroke on a packaging line to accommodate different carton depths, using the 10 mm adjuster to dial in the exact gate contact point.
Push varying box sizes from a roller conveyor, relying on the 157 N push force and the adjustable forward stop to prevent crushing lighter materials.
Feed parts into a machining cell, adjusting the extend end by a few millimeters to account for tooling wear without reprogramming the machine logic.
When sizing this actuator, compare its 157 N push force at 0.5 MPa against adjacent bores: the smaller Ø16 MIJ yields 100.5 N, while the larger Ø25 MIJ provides 245.3 N. Choose the Ø20 for medium-duty tasks, leveraging the 10 mm external stop screw to fine-tune the extend end for changeover jobs or tolerance take-up. Note that the stop screw sets the end position but acts purely as a bumper; it is not a mid-stroke lock.
This cylinder does not hold a load on air loss, as the piston will drift without pressure. For suspended loads, integrate an external rod lock or pilot-operated check valve. Mounting options include LB foot, FA flange, and TC trunnion styles, plus CA, U, R, and CM back covers, but the SDB pivot block is not available on this adjustable variant. The included -S magnet enables solid-state or reed sensor tracking.
Quick checklist
This double-acting cylinder delivers 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum of 32 kgf at 1.0 MPa. The air port is 1/8".
An external screw shortens the extend stroke by up to 10 mm on-site, setting the forward end position without affecting the full retract stroke. The -S suffix indicates a built-in piston magnet for CMSG, DMSG, or EMSG sensors.
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