
The AirTAC Airtac MICJ Adjustable Mini Cylinder MICJ20X175-20 is a genuine double acting, adjustable stroke + cushion round-body mini air cylinder with a Ø20mm bore and 175mm 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.
Trim the forward stop by up to 20 mm on site without swapping hardware using this AirTAC MICJ20X175-20 mini cylinder. The external screw shortens the extend end position down to a 155 mm usable stroke, while a needle-set adjustable air cushion at both ends soaks up high-speed shock. It is a double-acting, stainless-steel round-body unit that drops into standard ISO 6432 mini-cylinder mounting interfaces.
Delivering 157 N of push force and 131.9 N of pull force at 0.5 MPa, it handles a safe working load of roughly 94 N. This translates to lifting about 8 kg vertically with a 2:1 safety margin. The Ø20 bore uses a 1/8" port and an M8x1.25 male rod thread. Note this specific SKU lacks a magnet, so it cannot host CMSG, DMSG or EMSG sensors.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ20X175-20 |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 175 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| 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 | Variable air cushion, both ends |
| 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.
| MICJ | ISO 6432 round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×175 | Stroke length in mm. |
| -20 | 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.
Dial in the 155 to 175 mm extend reach to clamp parts of slightly different widths, relying on the 94 N safe working load to hold the workpiece securely.
Use the adjustable air cushion to decelerate the rapid 175 mm extend motion smoothly as the rod pushes lightweight cartons off a packaging line.
Deploy the stainless steel round-body construction as a corrosion-resistant stop gate in food packaging, setting the exact 20 mm extend offset for product spacing.
When sizing this actuator, the smaller Ø16 bore provides 100.5 N of push force at 0.5 MPa, whereas stepping up to the Ø25 bore yields 245.3 N. Choose this Ø20 model when you need roughly 94 N of safe working force combined with on-the-fly extend position tuning. The adjustable stop and dual air cushions excel in fast, settable-position moves.
Remember that the stop screw sets the end position but is not a mid-stroke lock; the piston will drift on air loss. Use an external rod lock or pilot check valve for held loads. Mount via LB foot, FA flange or TC trunnion (SDB pivot-block is not available on this adjustable variant). If you require position sensing, select the -S magnet version instead of this non-magnet SKU.
Quick checklist
This double-acting cylinder delivers 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum of 32 kgf at 1.0 MPa. It features a 1/8" air port.
An external screw shortens the extend stroke by up to 20 mm on site, giving a usable 155 to 175 mm forward range. Needle valves adjust the air cushion at both ends to decelerate the piston at high speed. This SKU has no magnet, so it cannot accept position sensors.
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