
The AirTAC Airtac MIJ Adjustable Cylinder MIJ20X75-10S is a genuine double acting, adjustable stroke round-body mini air cylinder with a Ø20mm bore and 75mm 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.
Dial in a precise forward end position on-site with the AirTAC MIJ20X75-10S, a round-body stainless-steel mini cylinder featuring a 10mm adjustable extend window. An external stop screw lets you shorten the forward stroke from its 75mm nominal maximum down to 65mm without changing the unit, while the retract stroke remains full. Built with a stainless barrel and rod, it handles mild corrosion and washdown environments. Because this is a double-acting actuator, it delivers robust force in both directions.
At 0.5 MPa, this Ø20 bore generates 157 N of push force and 131.9 N of pull force, translating to a safe working load of roughly 94 N or a vertical lift of about 8 kg with a 2:1 margin. It uses the ISO 6432 mounting interface for standard mini brackets and features a 1/8" port. Equipped with a piston magnet (-S), it supports CMSG, DMSG, and EMSG sensors. Fixed TPU bumper pads decelerate the stroke ends, operating at speeds from 30 to 800 mm/s.
| Model | Airtac MIJ Adjustable Cylinder MIJ20X75-10S |
|---|---|
| Series | MIJ ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 75 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.
| 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.
| MIJ | ISO 6432 round-body mini cylinder (adjustable-stroke). |
|---|---|
| 20 | Bore size in mm. |
| ×75 | 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 (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Fine-tune the 10mm extend stop to deflect cartons of varying widths on a belt line without swapping hardware, using the 157 N push force to push items cleanly.
Dial back the forward stroke from 75mm during changeovers to protect delicate machining heads, relying on the stainless build for mild coolant splash.
Set precise intermediate end positions for feeding components into a wrapper, taking up mechanical tolerances on the fly with the external screw.
When sizing this actuator, compare it against adjacent bores: the smaller Ø16 MIJ provides 100.5 N push at 0.5 MPa, while the larger Ø25 MIJ yields 245.3 N. The Ø20 hits a practical middle ground at 157 N. The 10mm external adjuster is ideal for taking up mechanical tolerances during setup or covering several slightly different stop positions with one part number. The stop screw sets the end position but does not function as a mid-stroke lock; the piston will drift on air loss, so add an external rod lock or pilot check valve for held loads. Mount using LB foot, FA flange, or TC trunnion brackets (SDB is unavailable), and wire up CMSG or EMSG switches directly since the -S magnet is present.
Quick checklist
This double-acting cylinder uses a 1/8" port and generates 157 N push / 131.9 N pull at 0.5 MPa, and 219.8 N push / 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
An external stop screw shortens the extend stroke by up to 10mm (usable range 65-75mm), but retract remains full. The -S suffix means a piston magnet is built-in for CMSG, DMSG, or EMSG sensors. Fixed TPU bumpers decelerate the ends; it is not a mid-stroke lock.
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