Airtac MIJ Adjustable Cylinder MIJ40X30-10S
The AirTAC MIJ Adjustable Cylinder MIJ40X30-10S is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø40mm bore and 30mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke30 mm
- Port size1/4"
- Acting typeDouble acting, double rod, adjustable stroke
- Rod threadM12×1.25
- 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 MIJ40X30-10S
Dialing in a heavy forward thrust is effortless with this Ø40 mm round-body mini cylinder, which lets you shorten the extend stroke by up to 10 mm via an external stop screw. The usable forward travel becomes 20 to 30 mm, while retract remains full. Built with a stainless-steel barrel and piston rod, it handles mild washdown and corrosion risks. Because this is a Ø40 bore, it is a non-ISO-6432 size, yet it retains the compact riveted construction of the series.
The 1/4" port and M12x1.25 male rod thread handle the air volume needed for that power. The -S suffix means a piston magnet is installed, allowing CMSG, DMSG or EMSG switches to track position. Fixed TPU bumper pads decelerate the stroke ends across the 30-800 mm/s speed range.
Airtac MIJ Adjustable Cylinder MIJ40X30-10S Technical Specifications
| Model | Airtac MIJ Adjustable Cylinder MIJ40X30-10S |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 30 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.
Theoretical Output Force (Ø40mm)
| 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).
Model Code: Airtac MIJ Adjustable Cylinder MIJ40X30-10S
| MIJ | round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×30 | 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.
Where the Airtac MIJ Adjustable Cylinder MIJ40X30-10S Is Used
Heavy Clamping Station
Apply 628.3 N of clamping force at 0.5 MPa and fine-tune the forward reach up to 10 mm to accommodate different fixture heights without retooling.
Staged Divert Gate
Use the adjustable extend stop to set the exact gate projection for sorting heavy items, relying on the stainless build for damp industrial environments.
Is the Airtac MIJ Adjustable Cylinder MIJ40X30-10S the Right Cylinder?
When sizing this heavy-duty class, stepping down to a Ø32 bore drops the 0.5 MPa push force to 402.2 N, whereas this Ø40 delivers 628.3 N. There is no larger bore in the MIJ family, so for loads exceeding its capacity you must change series entirely. The 10 mm external adjuster is ideal for taking up mechanical tolerance during setup or covering several stop positions with one part number, without swapping cylinders.
Remember that the stop screw sets the forward end position but is not a mid-stroke lock; the piston will drift if air pressure drops. For suspended loads, fit an external rod lock or pilot check valve. Mounting options include LB foot, FA flange and TC trunnion, but SDB pivot blocks are not offered on this adjustable variant.
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 MIJ40X30-10S FAQ
The theoretical maximum force is 128.1 kgf at 1.0 MPa. This Ø40 bore uses a 1/4" air port and a Ø16 mm rod with an M12x1.25 male thread.
An external stop screw shortens the extend stroke by up to 10 mm on site, letting you dial in the exact forward position without changing the cylinder; retract remains full. The -S suffix indicates a built-in piston magnet, enabling CMSG, DMSG or EMSG sensors for position detection.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MIJ Adjustable Cylinder MIJ40X30-10S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.