Airtac MIJ Adjustable Cylinder MIJ8X80-40
The AirTAC Airtac MIJ Adjustable Cylinder MIJ8X80-40 is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø8mm 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 makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ8 mm
- Stroke80 mm
- Port sizeM5×0.8
- Acting typeDouble acting, adjustable stroke
- Rod threadM4×0.7
- CushionFixed TPU bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MIJ Adjustable Cylinder MIJ8X80-40
Dialing in a precise forward end position on-site is effortless with this stainless-steel, round-body mini cylinder. A built-in external stop screw trims the extend stroke by up to 40 mm from the 80 mm nominal length, letting you cover multiple stop distances with one part number while the retract stroke remains full.
Built to the ISO 6432 mounting interface, the Ø8 mm barrel and Ø4 mm rod shrug off mild corrosion and washdown environments. Delivering 25.1 N of push force at 0.5 MPa, it safely handles a working load of about 15 N or lifts roughly 1.3 kg vertically with a 2:1 margin. Air connects via an M5x0.8 port, and fixed TPU bumper pads decelerate the stroke ends.
Airtac MIJ Adjustable Cylinder MIJ8X80-40 Technical Specifications
| Model | Airtac MIJ Adjustable Cylinder MIJ8X80-40 |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø8 mm |
| Stroke | 80 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | M5×0.8 |
| Rod thread | M4×0.7 |
| 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 150 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G.
Theoretical Output Force (Ø8mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 25 N | 19 N |
| 0.7 MPa | 35 N | 26 N |
| Max (@1.0 MPa) | 5 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MIJ Adjustable Cylinder MIJ8X80-40
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 8 | Bore size in mm. |
| ×80 | Stroke length in mm. |
| -40 | 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.
Where the Airtac MIJ Adjustable Cylinder MIJ8X80-40 Is Used
Light-Duty Probe Positioning
Use the 40 mm extend adjustment to fine-tune the touch point of a testing probe, accommodating part height variations while staying within the 15 N safe working load.
Small Part Diverter Gates
Set the exact extend distance to deflect lightweight items on a conveyor without over-traveling, leveraging the 25.1 N push force for reliable routing.
Adjustable Package Stops
Trim the forward stop on the fly to handle different carton depths on a packaging line, using the ISO 6432 mounting brackets for easy integration.
Is the Airtac MIJ Adjustable Cylinder MIJ8X80-40 the Right Cylinder?
When sizing this class, stepping down is not an option as Ø8 is the smallest available MIJ bore. If you need more push, the next size up is the Ø16 bore, which jumps significantly to 100.5 N of push force at 0.5 MPa. This makes the Ø8 ideal strictly for light-duty positioning and changeover tasks where the 40 mm adjustment window accommodates setup tolerances without swapping cylinders.
Remember that the external stop screw sets the extend end position but acts purely as a mechanical stop, not a mid-stroke lock. The piston will drift on air loss, so add an external rod lock or pilot check valve if you must hold a load vertically. Mount using standard LB foot, FA flange, or TC trunnion brackets (SDB pivot blocks are not offered for this adjustable variant). Because this SKU lacks the -S magnet, it cannot accept CMSG, DMSG, or EMSG sensors.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.15 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Do not dismantle the riveted front/back covers.
- check Use correct back cover (CA/U/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MIJ Adjustable Cylinder MIJ8X80-40 FAQ
This double-acting cylinder features an M5x0.8 air port and a male M4x0.7 rod thread. It generates 25.1 N push and 18.8 N pull at 0.5 MPa, increasing to 35.2 N push and 26.4 N pull at 0.7 MPa. The theoretical maximum force is 5.1 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 40 mm on-site, giving a usable forward range of 40-80 mm; the retract stroke remains fixed at 80 mm. This screw is not a mid-stroke lock, so the piston drifts on air loss. Additionally, this SKU lacks a magnet, so it cannot accept CMSG/DMSG/EMSG sensors—you would need the -S variant for position sensing.
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1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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