Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350CM
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350CM is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 350mm 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
- Stroke350 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350CM
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 350 mm stroke with a CM round end cover. The Ø20 mm bore uses a 1/8 inch port and an M8x1.25 male rod thread. Its riveted stainless barrel and rod resist mild corrosion, giving it an edge over painted alternatives in damp or washdown settings. Built to ISO 6432 mounting dimensions, it drops directly into standard mini-cylinder brackets.
Fixed TPU bumper pads absorb impact at the stroke ends, though they do not provide adjustable cushioning. Plan for a real work rate of roughly 94 N, which lets you lift about 8 kg vertically with a safe 2:1 margin. Because this specific SKU lacks the -S magnet, it cannot accept CMSG, DMSG or EMSG position switches.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350CM Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350CM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 350 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 MI20X350CM
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×350 | 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 MI20X350CM Is Used
Package Diverter Gate
Pushes light cardboard cartons on a packaging line using 157 N of thrust, where the stainless body withstands occasional washdowns.
Textile Loom Tensioner
Extends 350 mm to position yarn guides, relying on the fixed TPU bumpers to soften the stroke end during continuous rapid cycling.
Bin Lid Actuator
Lifts an 8 kg hopper lid vertically on a sorting station, matching the cylinder's safe working load capacity at 0.5 MPa.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350CM the Right Cylinder?
This 20 mm bore sits neatly between the 16 mm (100.5 N push) and 25 mm (245.3 N push) sizes, letting you step the force up or down as required. The 350 mm stroke is well within the 500 mm maximum, but at this length you should watch for side loads to avoid bending the 8 mm rod. The CM round end cover dictates the rear mounting orientation, complementing LB foot, FA flange and TC trunnion options.
If air pressure drops or the valve is centred, the piston will drift and drop the load; the bumpers only soften the end of travel rather than locking the rod. To suspend a load safely, fit an external rod lock or a pilot-operated check valve. For high-speed cycles needing end-deceleration tuning, consider the MIC variable-cushion variant.
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 MI20X350CM FAQ
The 1/8 inch port feeds a 20 mm bore that pushes with 157 N and pulls with 131.9 N at 0.5 MPa. At 0.7 MPa, push is 219.8 N and pull is 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, this specific SKU lacks the internal magnet, so CMSG, DMSG and EMSG switches will not function. You must specify the -S variant to enable position sensing. It uses ISO 6432 mounting dimensions and fixed TPU bumper pads rather than adjustable cushions.
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