Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500CA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500CA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 500mm 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
- Stroke500 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500CA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles long 500 mm strokes with a rugged riveted construction. The Ø20 mm bore uses a 1/8" port and an Ø8 mm piston rod with an M8x1.25 male thread. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown settings. Fixed TPU bumper pads absorb the impact at stroke extremes, decelerating the piston without the complexity of an adjustable cushion.
Because the bore falls within the Ø8-Ø25 range, it shares the ISO 6432 mounting dimensions, dropping smoothly into standard mini-cylinder brackets. For practical sizing, plan for a safe working load of about 94 N, which means it can comfortably lift an 8 kg part vertically with a 2:1 safety margin. Note that this specific SKU lacks the -S magnet, so it cannot host CMSG, DMSG or EMSG sensors.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500CA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 500 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 MI20X500CA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×500 | 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 MI20X500CA Is Used
Package Diverter Gate
Actuates a routing flap on a packaging line, using the CA clevis to pivot and smoothly push 8 kg cartons onto an adjacent belt.
Vertical Parts Lift
Raises lightweight plastic totes in a 500 mm elevator mechanism, operating comfortably within its 94 N safe working load limit.
Lab Sample Ejector
Extends to push test tubes out of a washdown carousel, relying on the stainless rod to withstand mild chemical exposure.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500CA the Right Cylinder?
When sizing this actuator, the 157 N push force at 0.5 MPa sits neatly between the smaller Ø16 bore (100.5 N) and the larger Ø25 bore (245.3 N). If your application demands position feedback, you must step up to an -S magnet variant, as this base model cannot accept a reed or solid-state switch. The built-in CA rear pivot cover is ideal for clevis mounting, accommodating misalignment during long-stroke traversal. Be mindful of rod bending on the extended 500 mm stroke; minimize side loads to prevent premature seal wear.
Air pressure alone will not sustain a load if the valve is centred or supply is lost, as the piston will drift and the TPU bumpers only soften the end of travel rather than acting as a brake. 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 MI20X500CA FAQ
At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it provides 219.8 N push and 184.7 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa. This Ø20 mm bore features a 1/8" air port.
No, this specific SKU does not include a magnet. To use CMSG, DMSG or EMSG magnetic switches, you must select the -S variant of the MI series. Additionally, it uses fixed TPU bumper pads rather than an adjustable air cushion, and conforms to ISO 6432 mounting dimensions for easy bracket integration.
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