Airtac MIJ Adjustable Cylinder MIJ40X100-30S
The AirTAC MIJ Adjustable Cylinder MIJ40X100-30S is a genuine double acting, double rod, adjustable stroke round-body mini air cylinder with a Ø40mm bore and 100mm stroke, 1/4" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
- BoreØ40 mm
- Stroke100 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 MIJ40X100-30S
Dial in your forward end position on-site with the AirTAC MIJ40X100-30S, a round-body stainless mini cylinder featuring a 30mm adjustable extend window. An external stop screw lets you shorten the forward stroke from its 100mm nominal length down to 70mm without changing parts, while the retract stroke remains full. Built with a stainless-steel barrel and Ø16mm piston rod, it handles mild corrosion and washdown environments.
This double-acting actuator delivers substantial force, pushing with 628.3N and pulling with 527.8N at 0.5MPa. The 1/4" port and M12x1.25 male rod thread ensure robust pneumatic and mechanical connections. It uses fixed TPU bumper pads to decelerate the stroke end, and the included -S magnet enables position sensing with CMSG, DMSG, or EMSG switches.
Airtac MIJ Adjustable Cylinder MIJ40X100-30S Technical Specifications
| Model | Airtac MIJ Adjustable Cylinder MIJ40X100-30S |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 100 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 MIJ40X100-30S
| MIJ | round-body mini cylinder (adjustable-stroke). |
|---|---|
| 40 | Bore size in mm. |
| ×100 | 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 MIJ40X100-30S Is Used
Diverter Gate Positioning
Set precise diverting distances on a packaging line by trimming the extend stroke up to 30mm to accommodate different carton widths without swapping cylinders.
Clamping Force Application
Securely clamp metal workpieces, using the 32kg vertical lift capacity to hold parts firmly while tuning the forward end position for different material thicknesses.
Is the Airtac MIJ Adjustable Cylinder MIJ40X100-30S the Right Cylinder?
If your application requires less power, stepping down to the Ø32 bore provides 402.2N, while no larger standard MIJ bore exists above this. The 30mm external stop screw is ideal for taking up mechanical tolerances during setup or staging feeds across changeover jobs. Remember that the stop screw sets the end position but does not function as a mid-stroke lock; the piston will drift if air pressure is lost. For load holding on air loss, install an external rod lock or pilot check valve. Mounting options include LB foot, FA flange, and TC trunnion brackets, along with CA, U, R, or CM back covers, but note that the SDB pivot block is not available 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 MIJ40X100-30S FAQ
The theoretical maximum force is 128.1kgf at 1.0MPa. This 40mm bore cylinder uses a 1/4" pneumatic port.
The external stop screw shortens the extend stroke by up to 30mm, allowing a usable forward range of 70-100mm; the retract stroke remains full. The -S suffix indicates a built-in piston magnet for use with CMSG, DMSG, or EMSG sensors. It uses fixed TPU bumper pads, not an adjustable air cushion.
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.
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