
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X270SU is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 270mm 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 a 270 mm stroke with ease. The riveted barrel and Ø6 mm rod shrug off mild corrosion, making it superior to painted alternatives in damp settings. Because the bore is Ø16, it conforms to ISO 6432 mounting dimensions, dropping directly into standard mini-cylinder brackets and clevises.
Plan for roughly 60 N of actual work at 0.5 MPa, which translates to lifting about 5.1 kg vertically with a safe 2:1 margin. The U-style back cover provides a 90-degree port orientation for tight layouts, while the built-in -S magnet supports CMSG, DMSG and EMSG switches. Fixed TPU bumper pads absorb end-of-stroke impact without adding adjustable cushion bulk.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X270SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 270 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. |
| ×270 | 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.
Pushes light routing flaps on packaging lines using its 100.5 N thrust, while the stainless build survives washdowns.
Extends 270 mm to knock rejected plastic parts off a moulding press bed without needing a larger profile cylinder.
Shifts yarn guides back and forth, relying on the U-style 90-degree rear cover to keep the 1/8" porting out of the way.
When sizing this 270 mm stroke unit, compare its 100.5 N push at 0.5 MPa against the smaller Ø12 bore (56.5 N) or the larger Ø20 bore (157.0 N) to match your exact payload. The 1/8" port and M6x1.0 male rod thread are fixed by the Ø16 bore. Because this is a plain double-acting cylinder, the piston will drift if air pressure drops or the valve is centred; the TPU bumpers only decelerate the stroke end and act as neither a brake nor a lock. To hold a load securely mid-stroke, add an external rod lock or a pilot-operated check valve. Additionally, the 270 mm stroke demands careful alignment to prevent rod bending and premature seal wear from side loads.
Quick checklist
This Ø16 mm bore cylinder features a 1/8" port and a Ø6 mm rod. It generates 100.5 N push and 86.4 N pull at 0.5 MPa, or 140.7 N push and 120.9 N pull at 0.7 MPa. The theoretical maximum force is 20.5 kgf at 1.0 MPa.
Yes, the -S suffix indicates a built-in piston magnet compatible with CMSG, DMSG and EMSG switches. The U back cover provides a 90-degree mounting interface, and the body uses standard ISO 6432 dimensions for easy bracket matching.
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