
The AirTAC MIJ Adjustable Cylinder MIJ16X80-20S is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø16mm bore and 80mm 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.
Dial in your forward end position on-site with the AirTAC MIJ16X80-20S, a round-body stainless-steel mini cylinder featuring a 20mm extend-stroke adjustment window. Rather than swapping components to hit a new stop, an external screw lets you trim the forward stroke down from the 80mm nominal length, while the retract travel remains full.
The stainless barrel and piston rod resist mild corrosion and washdown environments. Built to the ISO 6432 mounting interface for mini cylinders, it drops into standard brackets, uses an M5×0.8 port, and carries an M6x1.0 male rod thread. Because this SKU includes the -S magnet, it is fully ready for CMSG, DMSG, or EMSG position switches. Fixed TPU bumper pads decelerate the stroke ends across its 30-800mm/s speed range.
| Model | Airtac MIJ Adjustable Cylinder MIJ16X80-20S |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 80 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| 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 | 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 | 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).
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 16 | Bore size in mm. |
| ×80 | 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.
Trim the 80mm forward stroke on-site to push varying product widths off a belt, using the external screw to change the discharge position quickly during line changeovers.
Leverage the 5.1kg vertical lift capacity to hold a workpiece, dialing the exact clamping reach via the stop nut to prevent overtravel on delicate components.
When sizing this 16mm bore, moving down to the MIJ12 drops your 0.5MPa push force to 56.5N, while stepping up to the MIJ20 raises it to 157N. The 20mm external stop screw is invaluable for absorbing mechanical tolerances or staging feeds without machining new hard stops. Remember that the adjuster sets the forward end position but acts purely as a stop; it is not a mid-stroke lock. If your application must hold a load vertically during air loss, add an external rod lock or pilot check valve, as the piston will drift.
For mounting, you can utilize LB foot, FA flange, or TC trunnion brackets, but the SDB pivot block is not available on this adjustable variant. Back cover options include CA, U, R, and CM. The integrated -S magnet allows direct fitting of CMSG, DMSG, or EMSG sensors for end-position confirmation.
Quick checklist
The theoretical maximum force is 20.5kgf at 1.0MPa. This 16mm bore cylinder uses an M5×0.8 air port and a 6mm piston rod.
An external stop screw shortens the extend stroke by up to 20mm on-site, letting you set the forward end position without changing the cylinder; the retract stroke remains full. The -S suffix means a piston magnet is built-in, allowing you to mount CMSG, DMSG, or EMSG sensors directly for position detection.
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