Airtac MI16-20 Stainless Steel Mini Cylinder MI16X55SCM
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X55SCM is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 55mm 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
- Stroke55 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM6×1.0
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X55SCM
Delivering 100.5 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 55 mm stroke with a built-in magnet and CM round rear cover. The Ø16 mm bore uses a 1/8" port and an M6x1.0 male rod thread. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted-steel alternatives in damp or washdown environments.
Because it conforms to ISO 6432 mounting dimensions, the body drops directly into standard mini-cylinder brackets and clevises. Plan for about 60 N of actual work at 0.5 MPa, which means it can safely lift a 5.1 kg part vertically with a 2:1 safety margin. Fixed TPU bumper pads absorb the impact at stroke end, while the integrated -S magnet allows direct mounting of CMSG, DMSG or EMSG switches.
Airtac MI16-20 Stainless Steel Mini Cylinder MI16X55SCM Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X55SCM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 55 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 MI16X55SCM
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 16 | Bore size in mm. |
| ×55 | 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 MI16X55SCM Is Used
Small Part Ejection
Pushes lightweight plastic mouldings out of a machining fixture using a 55 mm stroke, relying on the 100.5 N push force to overcome minor friction.
Package Diverting
Actuates a routing flap on a packaging line, where the stainless steel construction withstands occasional washdowns during cleaning shifts.
Electronic Assembly
Presses small connectors onto PCBs, using the built-in -S magnet with a DMSG sensor to confirm exact 55 mm extension before the tool retracts.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI16X55SCM the Right Cylinder?
If your task needs less push, the Ø12 bore provides 56.5 N at 0.5 MPa; if you need more power, stepping up to the Ø20 bore yields 157.0 N at the same pressure. This 55 mm stroke is well within the 500 mm maximum standard stroke, keeping the rod bending risk low. The CM round end cover offers a specific rear mounting orientation, and you can utilise LB foot, FA flange, SDB pivot or TC trunnion brackets to suit your frame.
Remember that a standard cylinder drifts when air is lost or the valve is centred, as the fixed TPU pads only decelerate the stroke end rather than locking the rod. To suspend a load safely mid-stroke, fit 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 MI16X55SCM FAQ
This Ø16 mm bore cylinder features a 1/8" port and an M6x1.0 male rod thread. 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 is lost or the valve is centred. The fixed TPU bumper pads only decelerate the rod at the stroke end and do not act as a brake. To maintain a vertical position, you must add an external rod lock or a pilot-operated check valve.
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