
The AirTAC MICJ Adjustable Mini Cylinder MICJ16X225-20S is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø16mm bore and 225mm stroke, M5×0.8 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.
Trim the forward stop by up to 20 mm on site without swapping hardware using the AirTAC MICJ16X225-20S. This double-acting, ISO 6432 round-body stainless steel mini cylinder pairs that adjustable extend stroke with a needle-set variable air cushion at both ends, letting you dial in the exact 205-225 mm forward position while soaking up high-speed impact shock. The -S suffix equips the piston with a built-in magnet for CMSG, DMSG, or EMSG sensors.
The stainless barrel and rod resist mild washdown corrosion, and the M5×0.8 port feeds a 30-800 mm/s speed range. The external screw sets the end position but is not a mid-stroke lock; the piston will drift on air loss, so add an external rod lock for held loads.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ16X225-20S |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 225 mm |
| Acting type | Double acting, double rod, adjustable stroke + cushion |
| Port size | M5×0.8 |
| Rod thread | M6×1.0 |
| 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 86 N |
| 0.7 MPa | 121 N |
| Max (@1.0 MPa) | 18 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).
| MICJ | ISO 6432 round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 16 | Bore size in mm. |
| ×225 | Stroke length in mm. |
| -20 | 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 in the 205-225 mm extend stop to eject light plastic parts precisely, using the dual air cushions to absorb the impact of fast 30-800 mm/s cycling without slamming.
Actuates a diverting gate in a lab sorter, where the stainless build resists mild moisture and the built-in magnet provides exact position feedback to the controller.
When sizing this 16 mm bore, stepping down is not an option for a cushioned adjustable stroke (the smaller MIJ uses a fixed bumper), so you would instead jump up to a 20 mm bore if you need more push force (157 N at 0.5 MPa). The MICJ16X225-20S is ideal for fast set-position moves where the 20 mm extend trim and dual air cushions prevent end-of-stroke banging. Mount via standard LB foot, FA flange, or TC trunnion brackets (the SDB pivot block is not offered on this adjustable variant). Because this SKU includes the -S magnet, you can directly mount CMSG, DMSG, or EMSG switches for position sensing.
Quick checklist
An external screw shortens the extend stroke by up to 20 mm on site (retract remains full), while the needle-set variable air cushion at both ends decelerates the piston near stroke ends to absorb high-speed shock. The -S indicates a built-in piston magnet for CMSG, DMSG, or EMSG sensors.
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