Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50R
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50R is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 50mm 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.
- BoreØ20 mm
- Stroke50 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50R
Delivering 157 N of push force at 0.5 MPa, the AirTAC MI20X50R is a double-acting round-body mini cylinder built from a stainless-steel barrel and rod. This riveted construction shrinks the envelope compared to tie-rod alternatives while resisting mild corrosion in damp or washdown settings. It features a 1/8" port and an R axial-in rear cover that keeps hose routing tight against the machine frame.
Because the bumper pads only decelerate the stroke end, plan for about 94 N of real work at 0.5 MPa rather than the absolute maximum. That same 157 N figure translates to lifting an 8 kg part vertically with a 2:1 safety margin. This SKU lacks the -S magnet, so it cannot host CMSG, DMSG or EMSG sensors.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50R Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50R |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MI20X50R
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×50 | 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 MI20X50R Is Used
Package Diverter Gate
Actuates a lightweight routing flap on a packaging conveyor, using the 50 mm stroke to push cartons into a secondary lane without overwhelming the mechanism.
Small Part Clamp
Secures aluminium housings during a light drilling operation, applying roughly 94 N of holding force at 0.5 MPa to keep the part steady.
Bin Lid Lifter
Pops open the lid of a parts bin on an assembly line, lifting an 8 kg cover vertically via a clevis mount while keeping the footprint minimal.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50R the Right Cylinder?
Sizing around the Ø20 bore means checking both neighbours: step down to the Ø16 (100.5 N push @0.5 MPa) for lighter clamping, or up to the Ø25 (245.3 N) if you need heavier thrust. The 50 mm stroke is well within the 500 mm maximum for this bore, keeping the rod bending risk low. With no -S magnet on this unit, position sensing is impossible without swapping to an -S version. If the air supply drops or the valve centres, the piston drifts, so fit an external rod lock or pilot check valve to hold a suspended load.
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 MI20X50R FAQ
The Ø20 bore generates 157 N push and 131.9 N pull at 0.5 MPa, rising to 219.8 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa. Air connects via a 1/8" port, and the piston rod is Ø8 mm with an M8x1.25 male thread.
Yes, the Ø20 bore conforms to ISO 6432 mounting dimensions, so it drops directly into standard mini-cylinder foot, flange and clevis brackets. However, because this specific SKU lacks the -S magnet, it cannot accept CMSG, DMSG or EMSG magnetic switches.
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1-Year Warranty
Covers non-human-caused product damage.
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