Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400CA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400CA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 400mm 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
- Stroke400 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400CA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles long 400 mm strokes with a CA pivot clevis. The riveted stainless barrel and rod shrug off mild corrosion, outlasting painted aluminium in damp or washdown settings. Its 1/8" port feeds the 30-800 mm/s speed range, while fixed TPU bumper pads absorb the impact at stroke extremes.
For real-world sizing, plan for about 94 N of usable work at 0.5 MPa, which safely lifts an 8 kg part vertically with a 2:1 margin. The Ø20 body uses the ISO 6432 mounting interface, dropping directly into standard mini-cylinder brackets. Because this specific SKU lacks the -S magnet, it cannot host CMSG, DMSG or EMSG sensors.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400CA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 400 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 MI20X400CA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×400 | 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 MI20X400CA Is Used
Diverting Gate Actuation
Swings a lightweight sorting flap along a 400 mm travel path on packaging lines, using the 157 N push force to redirect cartons.
Pivot Arm Material Push
Leverages the CA clevis to drive a swinging pusher arm that slides totes between rollers, handling an 8 kg vertical lift equivalent.
Sample Tray Extraction
Extracts stainless test trays from a damp environmental chamber, where the corrosion-resistant barrel prevents rust over repeated cycles.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400CA the Right Cylinder?
When sizing this 400 mm stroke unit, verify the 8 mm rod against side-load bending, as long extensions amplify lateral stress. If you need less power, the Ø16 bore provides 100.5 N push at 0.5 MPa; stepping up to the Ø25 yields 245.3 N. The CA rear clevis suits pivoting loads, complemented by LB foot, FA flange or TC trunnion options.
Remember that venting the air supply causes the piston to drift, as the TPU pads only soften end impacts rather than locking the rod. To suspend a load safely mid-stroke, integrate 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 MI20X400CA FAQ
At 0.5 MPa it pushes 157 N and pulls 131.9 N. At 0.7 MPa it pushes 219.8 N and pulls 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa. The air port is 1/8" and the male rod thread is M8x1.25.
No, this specific SKU lacks a magnet so it cannot host CMSG, DMSG or EMSG switches. You would need the -S variant for sensing. It uses the ISO 6432 mounting interface and fixed TPU bumper pads rather than an adjustable air cushion.
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