
The AirTAC MIJ Adjustable Cylinder MIJ40X80-10 is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø40mm bore and 80mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Dial in your forward end position on-site with the AirTAC MIJ40X80-10, a round-body stainless mini cylinder featuring a 10 mm external stop screw that shortens the extend stroke. The stainless-steel barrel and piston rod resist mild corrosion and washdown environments.
Built as a riveted, round-body unit rather than a tie-rod or profile design, it uses a 1/4" air port and a Ø16 mm rod with an M12x1.25 male thread. Fixed TPU bumper pads decelerate the piston at the stroke end. Because this specific SKU lacks the -S magnet option, it cannot accept CMSG, DMSG, or EMSG sensors.
| Model | Airtac MIJ Adjustable Cylinder MIJ40X80-10 |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 80 mm |
| Acting type | Double acting, double rod, adjustable stroke |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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. Note: the Ø40 bore is a larger, non-ISO-6432 size.
| Pressure | Force (both ways) |
|---|---|
| 0.5 MPa | 528 N |
| 0.7 MPa | 739 N |
| Max (@1.0 MPa) | 108 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 | round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×80 | 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 (double rod, adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Adjust the extend end to deflect varying package sizes on a line, safely moving loads up to 377 N while relying on fixed TPU bumpers for end deceleration.
Push 32 kg vertical loads in damp transfer stations using the stainless steel rod and barrel, dialing in the exact 70-80 mm extend reach as needed.
When sizing this 40 mm bore, stepping down to an MIJ32 drops the 0.5 MPa push force to 402.2 N, while no larger standard MIJ bore exists above it. The 10 mm adjuster is ideal for taking up mechanical tolerances during setup or staging feeds, letting one part number cover several slightly different stops. The stop 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 or pilot check valve for held loads. Mount using LB foot, FA flange, or TC trunnion brackets, noting the SDB pivot block is not available on this adjustable variant.
Quick checklist
The theoretical maximum force is 128.1 kgf at 1.0 MPa, and the air port is 1/4".
An external stop screw shortens the extend stroke by up to 10 mm, giving a usable 70-80 mm forward reach; retract remains full. This SKU has no magnet (-S), so it cannot take position sensors. The screw only sets the end position and does not lock the load on air loss.
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