
The AirTAC Airtac MICJ Adjustable Mini Cylinder MICJ20X15-20S is a genuine double acting, adjustable stroke + cushion round-body mini air cylinder with a Ø20mm bore and 15mm 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 with the AirTAC MICJ20X15-20S, a stainless-steel round-body mini cylinder that pairs an adjustable extend stroke with needle-set air cushions at both ends. The external screw lets you dial in a precise 0-15 mm extend position without swapping hardware, while the cushions absorb high-speed impact. Driven by a 1/8" port and an Ø8 rod, this double-acting ISO 6432 unit delivers 157 N of push force at 0.5 MPa.
The built-in piston magnet (-S) supports CMSG, DMSG, and EMSG switches for exact position detection. Because the stainless barrel and rod resist mild corrosion, it suits washdown environments. For sizing, expect a safe working load around 94 N, which translates to lifting roughly 8 kg vertically with a 2:1 safety margin. The stop screw sets the end position but is not a mid-stroke lock; use an external rod lock if you need to hold a load on air loss.
| Model | Airtac MICJ Adjustable Mini Cylinder MICJ20X15-20S |
|---|---|
| Series | MICJ ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 15 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. |
| ×15 | 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.
Clamp small parts precisely using the 0-15 mm adjustable extend stop, relying on the 157 N push force to hold components securely during machining.
Actuate a lightweight conveyor diverter gate; the dual air cushions absorb the shock of rapid 15 mm strokes, preventing bounce at high speeds.
Push lightweight cartons off a packaging line with a safe working load of 94 N, fine-tuning the extend distance on-site to match varying box sizes.
When sizing this 20 mm bore, step down to an Ø16 bore for lighter loads (100.5 N push @0.5 MPa) or step up to an Ø25 bore (245.3 N push @0.5 MPa) if you need more thrust. The MICJ20X15-20S shines in fast, settable-position moves where the adjustable forward stop and dual air cushions prevent end-of-stroke shock. Mount using LB foot, FA flange, or TC trunnion brackets—note that the SDB pivot block is not offered on this adjustable variant. Position sensing requires the included -S magnet to pair with CMSG, DMSG, or EMSG switches.
Quick checklist
This 20 mm bore cylinder uses a 1/8" port and an Ø8 rod. It generates 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.
An external screw shortens the extend stroke by up to 20 mm, letting you set a precise forward end position. Needle-set air cushions at both ends decelerate the piston at high speeds. The -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG sensors.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
Standard models are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
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