
The AirTAC Airtac MIJ Adjustable Cylinder MIJ32X450-100S is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø32mm bore and 450mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments.
Trimming the forward end by up to 100 mm on site, this AirTAC MIJ32X450-100S round-body mini cylinder lets you fine-tune the extend position from 350 to 450 mm without changing the unit. As a double-acting actuator with a 32 mm bore, it delivers 402.2 N of push force at 0.5 MPa, yielding a safe working load of roughly 241 N or a 20.5 kg vertical lift with a 2:1 margin. The stainless-steel barrel and piston rod supply mild washdown resistance.
This non-ISO-6432 size runs on a 1/8 inch port with a 12 mm rod and M10x1.25 male thread. Because this SKU carries the -S suffix, a built-in piston magnet enables CMSG, DMSG or EMSG position switches. Fixed TPU bumper pads decelerate the stroke ends across the 30-800 mm/s speed range, operating from 0.15 to 1.0 MPa at temperatures of -20 to +70 C.
| Model | Airtac MIJ Adjustable Cylinder MIJ32X450-100S |
|---|---|
| Series | MIJ mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 450 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 Ø32 bore is a larger, non-ISO-6432 size.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MIJ | round-body mini cylinder (adjustable-stroke). |
|---|---|
| 32 | Bore size in mm. |
| ×450 | Stroke length in mm. |
| -100 | 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.
Set precise extend stops between 350 and 450 mm to push varying carton sizes onto secondary lanes without swapping actuators.
Dial the 100 mm adjuster to absorb fill-level variations, ensuring a 402.2 N push seats container lids perfectly every cycle.
Fine-tune the forward end point on the fly for short-run machined parts, leveraging the 20.5 kg lift capacity for safe handling.
When sizing this 32 mm bore, dropping down to an MIJ25 gives 245.3 N push at 0.5 MPa, while stepping up to an MIJ40 provides 628.3 N. The 100 mm external stop screw is ideal for absorbing mechanical tolerances or staging multiple forward stops from one part number. The screw trims the extend end only; retract remains full.
This actuator does not hold position on air loss, as the piston will drift and the bumpers only soften the stroke end. For a locked load, install an external rod lock or pilot check valve. Mount via LB foot, FA flange or TC trunnion (the SDB pivot block is not offered here), and select your CMSG/DMSG/EMSG sensors to pair with the internal magnet.
Quick checklist
At 0.5 MPa this 32 mm bore cylinder pushes 402.2 N and pulls 345.6 N. At 0.7 MPa it pushes 563 N and pulls 483.8 N. The theoretical maximum force is 82 kgf at 1.0 MPa. The air port is 1/8 inch.
An external stop screw shortens the extend stroke by up to 100 mm, letting you set the forward end position between 350 and 450 mm; retract remains full stroke. The -S suffix means a magnet is built in for CMSG/DMSG/EMSG sensors. The screw is not a mid-stroke lock.
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