Airtac MIJ Adjustable Cylinder MIJ40X450-30
The AirTAC MIJ Adjustable Cylinder MIJ40X450-30 is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø40mm bore and 450mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke450 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 MIJ40X450-30
Dial in a precise forward end position on-site with the AirTAC MIJ40X450-30, a round-body stainless mini cylinder featuring a 30 mm extend adjustment window. An external stop screw lets you shorten the forward stroke from its 450 mm maximum down to 420 mm, accommodating setup tolerances or part variations without changing the cylinder. Retract travel remains at the full 450 mm.
It uses a 1/4" port and fixed TPU bumper pads to decelerate the stroke end, and because this specific SKU lacks the -S magnet option, it cannot accept CMSG, DMSG, or EMSG sensors.
Airtac MIJ Adjustable Cylinder MIJ40X450-30 Technical Specifications
| Model | Airtac MIJ Adjustable Cylinder MIJ40X450-30 |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 450 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 MIJ40X450-30
| MIJ | round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×450 | Stroke length in mm. |
| -30 | 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 MIJ40X450-30 Is Used
Pallet Diverting
Actuate heavy diverters on a conveyor line where the forward stop position must be fine-tuned on-site to accommodate different pallet widths without swapping actuators.
Staged Product Pushing
Push heavy cartons to a staging area, using the adjustable forward end position to create specific gaps or indexing distances for downstream packaging processes.
Is the Airtac MIJ Adjustable Cylinder MIJ40X450-30 the Right Cylinder?
If your application demands more power than the 32 mm variant offers, this model steps up the force significantly while retaining the 30 mm adjustable extend stop for changeover jobs. Note that the Ø40 bore is a non-ISO-6432 round-body size, so verify your mounting footprint.
The external stop screw sets the forward end position but acts purely as an end stop; it is not a mid-stroke lock. The piston will drift on air loss, so incorporate an external rod lock or pilot-operated check valve if you need to hold a suspended load. For mounting, utilize LB foot, FA flange, or TC trunnion brackets, as the SDB pivot block is not available on this adjustable-stroke 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 MIJ40X450-30 FAQ
The theoretical maximum force is 128.1 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 30 mm on-site, allowing a usable forward travel between 420 mm and 450 mm; the retract stroke remains fixed at 450 mm. This SKU does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG sensors. The stainless build resists mild corrosion.
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 MIJ40X450-30
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