
The AirTAC Airtac MICJ Adjustable Mini Cylinder MICJ25X100-10S is a genuine double acting, adjustable stroke + cushion round-body mini air cylinder with a Ø25mm bore and 100mm 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 stop on-site with the AirTAC MICJ25X100-10S, a round-body stainless-steel mini cylinder featuring a 10 mm adjustable extend stroke. An external screw trims the extend end position down from the 100 mm nominal maximum, while a needle-set variable air cushion at both ends soaks up high-speed shock. This double-acting actuator delivers 245.3 N of push force at 0.5 MPa, yielding a safe working load of roughly 147 N or a 12.5 kg vertical lift with a 2:1 margin.
Built with a stainless barrel and rod for mild washdown resistance, the Ø25 bore conforms to the ISO 6432 mounting interface for easy bracket interchange. The -S suffix indicates a built-in piston magnet ready for CMSG, DMSG, or EMSG switches. Air connects via a 1/8" port, and the unit operates smoothly between 30 and 800 mm/s.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ25X100-10S |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| 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 | Variable air cushion, both ends |
| 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.
| MICJ | ISO 6432 round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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.
Pushes medium-weight cartons off a belt at high speed, using the 10 mm extend adjuster to set the exact stopping distance and the air cushion to absorb impact without slamming.
Lowers a filling nozzle into bottles, relying on the 245.3 N push force and fine-tuned forward stop to accommodate varying container heights on the fly.
Acts as an adjustable physical stop for incoming pallets, trimming the extend position by up to 10 mm to align loads perfectly without swapping hardware.
When sizing this actuator, note the Ø20 bore below provides 157.0 N of push at 0.5 MPa, whereas the larger Ø32 bore jumps to 402.2 N. The MICJ25X100-10S hits a sweet spot for medium loads, and its 10 mm extend adjuster combined with the dual air cushions is perfect for fast, settable-position moves that need soft deceleration. Mount using standard LB foot, FA flange, or TC trunnion brackets, as the SDB pivot block is not offered on this adjustable variant.
Keep in mind the stop screw sets the end position but does not function as a mid-stroke lock. The cylinder will drift on air loss, and the cushion only decelerates near the stroke end rather than holding the load. For suspended loads, integrate an external rod lock or pilot-operated check valve.
Quick checklist
This Ø25 mm cylinder uses a 1/8" air port and an M10x1.25 male rod thread. At 0.5 MPa it provides 245.3 N of push force and 206.1 N of pull force. At 0.7 MPa, push increases to 343.4 N and pull to 288.5 N. The theoretical maximum force is 50 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 10 mm on-site, letting you dial in the forward end position without changing the cylinder. Needle valves adjust the air cushion at both ends to decelerate the piston at high speed. The -S magnet enables CMSG/DMSG/EMSG sensors. Note that neither the screw nor the cushion acts as a brake; the piston drifts on air loss, so use an external rod lock for holding.
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