Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500R
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500R 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 MI20X500R
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 1/8 inch air port. The Ø20 mm bore conforms to ISO 6432 mounting dimensions, dropping directly into standard mini-cylinder brackets and clevises for straightforward design integration. Its riveted stainless barrel and rod resist mild corrosion, outlasting painted aluminium alternatives in damp or washdown settings.
Fixed TPU bumper pads absorb impact energy at the stroke extremes, though they decelerate rather than provide adjustable cushioning. Plan for roughly 94 N of actual work at 0.5 MPa to maintain efficiency, which equates to lifting about 8 kg vertically with a safe 2:1 margin. The R back cover features an axial-in port orientation, simplifying inline plumbing for compact machinery layouts.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500R Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500R |
|---|---|
| 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 MI20X500R
| 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 MI20X500R Is Used
Packaging Line Diverter
Pushes cartons across a 500 mm transfer gap with 157 N of force, relying on the stainless body to endure humid washdown environments.
Textile Yarn Guide
Traverses the full half-meter stroke to position thread guides, utilizing the R axial-in port to maintain a narrow machine profile.
Small Part Ejector
Sweeps molded plastic components from a press bed, safely managing the 8 kg vertical lift equivalent without risking rod deflection.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X500R the Right Cylinder?
When sizing this 157 N (at 0.5 MPa) unit, verify if the smaller Ø16 bore providing 100.5 N is insufficient, or if the larger Ø25 bore offering 245.3 N is required for heavier loads. Because this 500 mm stroke pushes the standard limit for the Ø20 bore, carefully manage side loads to prevent rod bending and premature seal wear. This SKU lacks the -S magnet, meaning it cannot accept CMSG, DMSG or EMSG position switches; choose the -S variant if electronic sensing is needed.
Remember that venting the air supply or centering the directional valve causes the piston to drift, as the TPU bumpers only soften end-of-stroke impacts and do not function as a locking brake. To suspend a load securely during an air loss event, integrate an external pilot-operated check valve or a dedicated rod lock.
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 MI20X500R FAQ
This double-acting cylinder uses a 1/8 inch air port and generates 157 N push / 131.9 N pull at 0.5 MPa, and 219.8 N push / 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
The Ø20 mm bore uses ISO 6432 mounting dimensions, fitting standard clevises and foot brackets. However, this specific SKU lacks a magnet, so it cannot accept CMSG, DMSG or EMSG switches; you must select an -S variant for position sensing.
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