
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X90SCA is a genuine double acting round-body mini air cylinder with a Ø16mm 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.
Delivering 100.5 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact automation with ease. The riveted barrel and rod shrug off mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. Because the Ø16 bore falls within the standard range, it uses the ISO 6432 mounting interface to drop directly into standard mini-cylinder brackets and clevises.
The 90 mm stroke operates at 30-800 mm/s, relying on fixed TPU bumper pads to decelerate the piston at stroke end. With a 1/8 inch port and an M6x1.0 male rod thread, airflow and mounting are straightforward. Plan for roughly 60 N of actual work at 0.5 MPa; this equates to lifting about 5.1 kg vertically with a 2:1 safety margin. The built-in magnet (-S) supports CMSG, DMSG and EMSG switches for position sensing.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X90SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 90 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M6×1.0 |
| 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 | 101 N | 86 N |
| 0.7 MPa | 141 N | 121 N |
| Max (@1.0 MPa) | 21 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 16 | 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.
Actuates a thread guide arm on a weaving machine, where the stainless build resists humid manufacturing environments.
Pushes small cardboard cartons at 90 mm stroke on a packaging line, safely moving loads under the 60 N working threshold.
Ejects processed sample trays from a testing carousel, using the CA pivot mount to accommodate the angular ejection path.
If your application requires less force, the Ø12 bore provides 56.5 N of push at 0.5 MPa, whereas stepping up to the Ø20 bore yields 157.0 N. This MI16X90SCA variant includes a CA pivot clevis back cover, making it ideal for articulated mechanisms. The included magnet enables CMSG, DMSG or EMSG sensors; without the -S suffix, the cylinder cannot accept switches. Remember that fixed TPU bumpers only soften end-of-stroke impact and do not function as an adjustable air cushion.
When air pressure drops or the valve is centred, the piston will drift, so this unit cannot hold a load safely on its own. To lock a vertical load in place, integrate an external rod lock or a pilot-operated check valve into your circuit. Additionally, for this 90 mm stroke, ensure the front and rear mountings are aligned to prevent rod side-loading and premature seal wear.
Quick checklist
This Ø16 mm bore cylinder features a 1/8 inch port. It generates 100.5 N push and 86.4 N pull at 0.5 MPa, 140.7 N push and 120.9 N pull at 0.7 MPa, with a theoretical maximum force of 20.5 kgf at 1.0 MPa.
No, the piston will drift if air pressure is lost or the valve is centred. The fixed TPU bumper pads only decelerate the stroke end and do not act as a brake. You must use an external rod lock or pilot check valve to hold a vertical load.
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