Airtac MI16-20 Stainless Steel Mini Cylinder MI20X280SCA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X280SCA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 280mm 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
- Stroke280 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X280SCA
Generating 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 280 mm stroke with a built-in magnet and CA pivot clevis. The Ø20 mm bore uses a 1/8" port and an M8x1.25 male rod thread. Its stainless barrel and rod resist mild corrosion, giving it an edge over painted alternatives in damp or washdown environments.
The riveted construction keeps the body compact, while fixed TPU bumper pads decelerate the piston at stroke ends. Because it features the ISO 6432 mounting interface, it drops directly into standard mini-cylinder brackets. Plan for roughly 94 N of actual work at 0.5 MPa, which means it can safely lift about 8 kg vertically against gravity.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X280SCA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X280SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 280 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 MI20X280SCA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×280 | 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 MI20X280SCA Is Used
Package Diverting Gate
Actuates a routing flap on a packaging line, using the 157 N thrust to push corrugated cartons onto a secondary belt at high speed.
Textile Loom Tensioner
Adjusts a yarn guide bar in a humid production area, relying on the stainless rod to withstand fibrous dust and moisture without binding.
Bin Lid Pneumatic Lifter
Raises and lowers a heavy access hatch on a bulk hopper, easily handling the 8 kg lid weight through the 280 mm travel distance.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X280SCA the Right Cylinder?
If you need less force, the Ø16 bore provides 100.5 N push at 0.5 MPa; stepping up to the Ø25 bore yields 245.3 N. This SKU includes the -S magnet for CMSG, DMSG or EMSG sensors, and the CA rear pivot cover for clevis mounting. At 280 mm, the stroke is well within the 500 mm maximum, though side loads on the extended rod should still be minimized to prevent bending.
Remember that venting the air or centering the valve causes the piston to drift, as the TPU pads only soften end impacts rather than locking the rod. Use a pilot-operated check valve or an external rod lock if your application must hold a load statically.
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 MI20X280SCA FAQ
At 0.5 MPa it pushes with 157 N and pulls with 131.9 N. At 0.7 MPa the push is 219.8 N and pull is 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa. This Ø20 mm bore uses a 1/8" air port and an M8x1.25 male rod thread.
No, the piston will drift if air is lost or the valve is centered. The fixed TPU bumper pads only decelerate 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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