
The AirTAC MICJ Adjustable Mini Cylinder MICJ16X125-20 is a genuine double acting, double rod, adjustable stroke + cushion round-body mini air cylinder with a Ø16mm bore and 125mm 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 cylinders, and let the adjustable air cushion at both ends soak up high-speed shock. The AirTAC MICJ16X125-20 is a double-acting, round-body stainless-steel mini cylinder with a 125 mm stroke and an M5×0.8 port.
Built with a stainless barrel and rod for mild washdown resistance, it uses the ISO 6432 mounting interface. This SKU has no magnet, so it cannot take CMSG/DMSG/EMSG sensors.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ16X125-20 |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 125 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. |
| ×125 | 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 exact 105-125 mm extend position on a conveyor diverter arm to route small parts without replacing the cylinder.
Clamp delicate electronic housings with a safe 60 N working load while the dual air cushions absorb the impact of fast 800 mm/s moves.
Set a precise forward stop for a fluid dispense nozzle, relying on the stainless construction to resist mild chemical washdown.
For lighter duty, the smaller MIJ series relies on a fixed bumper rather than a dual air cushion. For heavier loads, the Ø20 bore raises push force to 157 N at 0.5 MPa. The Ø16 hits a sweet spot for compact, fast set-position moves.
The external screw trims the extend end only (usable forward range 105-125 mm); it sets the end position but is not a mid-stroke lock. The cylinder will drift on air loss, so use an external rod lock or pilot check valve to hold a suspended load. Use LB, FA, or TC mounts (SDB is unavailable here).
Quick checklist
It has an M5×0.8 port. At 0.5 MPa it pushes 100.5 N and pulls 86.4 N. At 0.7 MPa it pushes 140.7 N and pulls 120.9 N. The theoretical maximum force is 20.5 kgf at 1.0 MPa.
An external screw shortens the extend stroke by up to 20 mm, while needle valves adjust the air cushion at both ends to decelerate high-speed moves. The cushion is not a brake, and the piston drifts on air loss, so you need an external rod lock to hold a load. This non-S SKU lacks a magnet for sensors.
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