Airtac MI16-20 Stainless Steel Mini Cylinder MI20X175U
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X175U is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 175mm 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
- Stroke175 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X175U
Delivering 157 N of push force at 0.5 MPa, the AirTAC MI20X175U is a double-acting round-body mini cylinder built from a stainless-steel barrel and rod. This riveted construction shrugs off mild corrosion, giving it a real edge over painted alternatives in damp or washdown settings. The U suffix denotes a 90-degree rear cover, orienting the 1/8 inch air port neatly for tight machinery layouts.
At 0.5 MPa it yields a safe working load of roughly 94 N, letting you lift about 8 kg vertically with a 2:1 safety margin. The Ø20 mm bore conforms to ISO 6432 mounting dimensions, dropping directly into standard mini-cylinder brackets. Fixed TPU bumper pads absorb the stroke-end impact across the 175 mm travel, and because this specific SKU lacks the -S magnet, it cannot host CMSG, DMSG or EMSG sensors.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X175U Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X175U |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 175 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 MI20X175U
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×175 | 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 MI20X175U Is Used
Package Diverter Arm
Actuates a routing flap on a packaging conveyor, using the 157 N push force to redirect cartons at high speed without overwhelming the mechanism.
Textile Loom Tensioner
Maintains thread tension in a humid textile facility, where the stainless-steel rod resists mild corrosion and the 90-degree U cover keeps air lines clear of moving yarn guides.
Small Press Ejector
Kicks stamped micro-parts out of a die bed over the 175 mm stroke, relying on fixed TPU bumper pads to quietly absorb the end-of-stroke impact.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X175U the Right Cylinder?
When sizing this 20 mm bore, stepping down to the Ø16 class drops the output to 100.5 N push at 0.5 MPa, while moving up to the Ø25 bore raises it to 245.3 N. This 175 mm stroke is well within the 500 mm maximum standard stroke limit, keeping the unit as a readily available configuration. The 1/8 inch port and M8x1.25 male rod thread are fixed by the bore size.
Because the standard MI uses fixed TPU bumpers rather than an adjustable air cushion, look at the MIC variant if you need variable deceleration at high speeds. Remember that a plain double-acting cylinder drifts if air pressure is lost or the valve is centred; the bumper only softens the end of travel and will not lock the load. Install an external pilot check valve or rod lock if you need to hold a vertical position securely.
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 MI20X175U FAQ
This double-acting cylinder uses a 1/8 inch air port. It generates 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum of 32 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot host CMSG, DMSG or EMSG switches. You would need the -S variant for position sensing. It does, however, use standard ISO 6432 mounting dimensions for easy bracket integration.
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