Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SR
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SR 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 MI16X25SR
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 Ø16 mm bore uses a 1/8" port and an M6x1.0 male rod thread, while the riveted barrel and rod resist mild corrosion in damp or washdown environments. The built-in piston magnet allows direct mounting of CMSG, DMSG, or EMSG switches for precise end-of-stroke detection.
Because the 100.5 N rating is theoretical, plan for a safe working load of about 60 N at 0.5 MPa. This translates to lifting roughly 5.1 kg vertically with a 2:1 safety margin. The stroke-end impact is softened by fixed TPU bumper pads, and the R axial-in rear cover keeps pneumatic plumbing neatly aligned with the body.
Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SR Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SR |
|---|---|
| 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 MI16X25SR
| 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 MI16X25SR Is Used
Small Part Ejection
Uses the 100.5 N push force to knock lightweight plastic mouldings off an injection press conveyor before they reach packaging.
Clamp Actuation
Secures thin aluminium brackets during a light CNC milling pass, relying on the 86.4 N pull force to retract the tooling quickly.
Flap Folding
Folds cardboard carton flaps on a packaging line where the stainless body withstands occasional washdowns and cleaning sprays.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X25SR the Right Cylinder?
When sizing this 25 mm stroke actuator, compare it against its neighbours: the smaller Ø12 bore provides 56.5 N of push force, while the larger Ø20 bore steps up to 157.0 N at 0.5 MPa. If your machine loses air or the valve centres, the piston will drift; these bumpers only decelerate the stroke end and do not act as a brake. To suspend a load safely, install an external rod lock or a pilot-operated check valve.
The -S magnet enables solid-state or reed sensor tracking. Thanks to its ISO 6432 mounting dimensions, this Ø16 body drops directly into standard mini-cylinder brackets and clevises. You can also adapt the footprint using LB foot, FA flange, SDB pivot, or TC trunnion hardware.
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 MI16X25SR FAQ
This double-acting cylinder uses a 1/8" port. It generates 100.5 N push and 86.4 N pull at 0.5 MPa, increasing to 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.
No, the base MI features fixed TPU bumper pads that decelerate the stroke end, not an adjustable air cushion (see the MIC variant for that). However, the -S suffix means it has a built-in magnet ready for CMSG, DMSG, or EMSG switches.
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