Airtac MIJ Adjustable Cylinder MIJ20X150-40S
The AirTAC Airtac MIJ Adjustable Cylinder MIJ20X150-40S is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø20mm bore and 150mm stroke, 1/8" 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.
- BoreØ20 mm
- Stroke150 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke
- Rod threadM8×1.25
- 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 MIJ20X150-40S
Trimming the forward end position by up to 40 mm on-site, this stainless-steel round-body mini cylinder lets you fine-tune the extend stroke from 110 to 150 mm without changing parts. The external stop screw sets the extend endpoint, while the retract stroke remains full. Driven by double-acting air at 0.15-1.0 MPa, the Ø20 mm bore generates 157 N of push force and 131.9 N of pull force at 0.5 MPa. This yields a safe working load of roughly 94 N, or about 8 kg of vertical lift with a 2:1 margin.
Built to ISO 6432 mounting interface dimensions, it drops directly into standard mini brackets and clevises. The riveted stainless barrel and Ø8 mm rod resist mild corrosion and washdown environments. Because this SKU includes the -S piston magnet, it supports CMSG, DMSG, and EMSG position switches. Air connects via a 1/8" port, and fixed TPU bumper pads decelerate the stroke ends.
Airtac MIJ Adjustable Cylinder MIJ20X150-40S Technical Specifications
| Model | Airtac MIJ Adjustable Cylinder MIJ20X150-40S |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 150 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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.
Theoretical Output Force (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MIJ20X150-40S
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 20 | Bore size in mm. |
| ×150 | 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 MIJ20X150-40S Is Used
Staged Diverter Push
Dial in the 40 mm extend adjustment to push boxes of varying widths onto a secondary belt without swapping actuators, utilizing the 157 N push force.
Tolerance Take-Up Stop
Set the exact forward stop for a machining fixture, absorbing part-to-part length variations up to 40 mm while clamping with 94 N of safe working load.
Adjustable Sealing Jaw
Fine-tune the extend endpoint on a packaging line to accommodate different carton depths, relying on the stainless build for washdown compatibility.
Is the Airtac MIJ Adjustable Cylinder MIJ20X150-40S the Right Cylinder?
When sizing this actuator, stepping down to a Ø16 bore drops the 0.5 MPa push force to 100.5 N, whereas moving up to a Ø25 bore increases it to 245.3 N. The 40 mm adjustment window is highly useful for taking up mechanical tolerances or matching multiple stopping points in a changeover job using a single part number. The stop screw dictates the forward end position but does not function as a mid-stroke lock; if you need to hold a load vertically during air loss, install an external pilot check valve or rod lock. For mounting, select LB foot, FA flange, or TC trunnion brackets, plus CA, U, R, or CM back covers (the SDB pivot block is 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 MIJ20X150-40S FAQ
At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it provides 219.8 N push and 184.7 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa. The air port size is 1/8".
An external stop screw shortens the extend stroke by up to 40 mm on-site, allowing a usable forward range of 110-150 mm; the retract stroke remains full. The -S suffix indicates a built-in piston magnet for use with CMSG, DMSG, or EMSG sensors.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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