Airtac MI16-20 Stainless Steel Mini Cylinder MI20X225CM
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X225CM is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 225mm 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
- Stroke225 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X225CM
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles robust linear motion tasks. The Ø20 mm bore uses a 1/8" port and an M8x1.25 male rod thread, extending across a 225 mm stroke. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp processing areas. Fixed TPU bumper pads absorb the impact at stroke extremes, while the CM round end cover neatly caps the rear.
Because the 157 N rating is a theoretical maximum, plan for a safe working load of about 94 N to account for friction and pressure drops in real setups. For vertical lifting, that translates to hoisting roughly 8 kg safely with a 2:1 margin. This SKU lacks the -S magnet, so it cannot host CMSG, DMSG, or EMSG reed switches for position sensing.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X225CM Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X225CM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 225 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 MI20X225CM
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×225 | 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 MI20X225CM Is Used
Package Diverter Arm
Actuates a routing flap on a packaging conveyor, using the 225 mm stroke to shift parcels between sorting lanes with reliable 157 N push force.
Textile Loom Tensioner
Adjusts yarn tensioning guides in a humid textile manufacturing environment, leveraging the stainless steel construction to resist ambient moisture.
Bin Lid Opener
Pivots heavy hopper lids on bulk material bins, where the 8 kg vertical lift capacity easily manages the lid weight through the full 225 mm extension.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X225CM the Right Cylinder?
When sizing this Ø20 mm bore, stepping down to a Ø16 mm model drops the push force to 100.5 N at 0.5 MPa, whereas moving up to a Ø25 mm bore increases it to 245.3 N. The 225 mm stroke is well within the 500 mm maximum standard stroke for this size, making it a readily available configuration. With a longer 225 mm rod extension, carefully manage side loading to prevent rod bending and premature seal wear. The CM round end cover offers a specific rear profile for your mounting arrangement.
Remember that a standard double-acting cylinder drifts when air pressure is lost or the directional valve is centered; the TPU bumpers only soften the end-of-stroke impact and do not function as a braking mechanism. 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 MI20X225CM FAQ
This double-acting cylinder features a 1/8" 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.
No, this specific SKU does not include a piston magnet, so CMSG, DMSG, or EMSG switches cannot be used. You would need the -S variant (MI20X225CMS) to enable magnetic position sensing.
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