Airtac MI16-20 Stainless Steel Mini Cylinder MI20X90SCA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X90SCA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 90mm 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
- Stroke90 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X90SCA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact automation with ease. The Ø20 mm bore operates on a 1/8" port and features an M8x1.25 male rod thread. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. Riveted construction keeps the body light, while fixed TPU bumper pads absorb impact at the stroke ends.
Equipped with a built-in piston magnet, the -S suffix allows direct mounting of CMSG, DMSG or EMSG reed and electronic switches for position sensing. The CA rear cover provides a pivot clevis for articulated mounting. For practical sizing, plan for a safe working load of about 94 N, which means it can comfortably lift an 8 kg part vertically with a 2:1 safety margin.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X90SCA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X90SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 90 mm |
| Acting type | Double acting |
| 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 MI16-20 Stainless Steel Mini Cylinder MI20X90SCA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×90 | Stroke length in mm. |
| -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 MI16-20 Stainless Steel Mini Cylinder MI20X90SCA Is Used
Package Diverter Arm
Swings a diverter gate on a packaging line using the CA clevis, relying on the 157 N push force to redirect light cartons at high speed.
Small Parts Ejector
Pushes machined components out of a CNC fixture, using the 90 mm stroke and fixed TPU bumpers to decelerate the ejection without damaging the part.
Bin Lid Actuator
Lifts a hinged access cover on a material hopper, where the stainless build prevents mild corrosion in humid storage environments.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X90SCA the Right Cylinder?
When sizing this 90 mm stroke model, compare it against its neighbours: the smaller Ø16 bore yields 100.5 N of push at 0.5 MPa, while the larger Ø25 bore provides 245.3 N. This Ø20 mm unit sits perfectly in the middle for medium-duty tasks. Because the stroke extends 90 mm, ensure your guiding structure prevents side-load rod bending. The CA clevis back cover suits pivoting linkages, and you can pair it with LB foot, FA flange or TC trunnion brackets using the ISO 6432 mounting interface.
Remember that a standard double-acting cylinder drifts when air is removed or a valve centres; the TPU bumpers only soften the end-of-stroke impact and do not function as a brake. If your application requires holding a vertical load during an air loss event, install an external rod lock or a pilot-operated check valve.
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 MI16-20 Stainless Steel Mini Cylinder MI20X90SCA FAQ
This Ø20 mm bore cylinder uses a 1/8" port and an M8x1.25 male rod thread. The double-acting thrust is 157 N push and 131.9 N pull at 0.5 MPa, increasing to 219.8 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
Yes, the -S suffix indicates a built-in piston magnet, allowing you to fit CMSG, DMSG or EMSG switches directly to the round body. The CA back cover provides a pivot clevis pin mount for articulated mechanisms. It uses standard ISO 6432 mounting dimensions for easy bracket matching.
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