Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SU
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SU is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 25mm 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.
- BoreØ16 mm
- Stroke25 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM6×1.0
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SU
Delivering 100.5 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact actuation with ease. The Ø16 mm bore uses a 1/8" port and an M6x1.0 male rod thread. Its riveted stainless barrel and rod resist mild corrosion, outperforming painted alternatives in damp or washdown settings. Fixed TPU bumper pads absorb stroke-end impact, while the built-in magnet (-S) supports CMSG, DMSG and EMSG sensors.
For practical sizing, plan for roughly 60 N of real work at 0.5 MPa rather than the absolute maximum. This equates to lifting about 5.1 kg vertically with a 2:1 safety margin. The U-style back cover provides a 90-degree port orientation, simplifying hose routing in tight machinery. Conforming to ISO 6432 mounting dimensions, it drops directly into standard mini-cylinder brackets and clevises.
Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SU Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SU |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 25 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.
Theoretical Output Force (Ø16mm)
| 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.
Model Code: Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SU
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 16 | Bore size in mm. |
| ×25 | 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 MI16X25SU Is Used
Package Diverting
Actuates a short diverter gate on a packaging conveyor, using the 100.5 N thrust to push light cartons onto an adjacent belt.
Lab Sample Ejection
Ejects processed sample trays from a wet chemistry analyzer, leveraging the stainless build to resist mild chemical corrosion.
Small Part Clamping
Secures plastic housings during an ultrasonic welding process, where the 25 mm stroke provides rapid clamping action.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SU the Right Cylinder?
When sizing this 25 mm stroke unit, verify if the smaller Ø12 bore (56.5 N push @0.5 MPa) is sufficient, or if the larger Ø20 bore (157.0 N push @0.5 MPa) is required for heavier loads. The integrated magnet enables position sensing with CMSG, DMSG or EMSG switches. Remember that venting the air or centering the valve causes the piston to drift; these cylinders do not hold position natively, so apply an external rod lock or pilot check valve for suspended loads. The short 25 mm stroke minimizes rod bending, but always avoid excessive side loading.
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 MI16X25SU FAQ
At 0.5 MPa it provides 100.5 N push and 86.4 N pull. At 0.7 MPa it yields 140.7 N push and 120.9 N pull. The theoretical maximum force is 20.5 kgf at 1.0 MPa. It uses a 1/8" air port and operates between 0.15-1.0 MPa.
No, it uses fixed TPU bumper pads to decelerate the stroke end, not an adjustable air cushion. It also does not hold position on air loss; the piston drifts, so an external rod lock or pilot check valve is needed for suspended loads.
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