Airtac MI16-20 Stainless Steel Mini Cylinder MI20X35SCA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X35SCA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 35mm 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
- Stroke35 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X35SCA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles compact automation with ease. The Ø20 mm bore uses a 1/8 inch port and an M8x1.25 male rod thread. Its stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments.
The built-in piston magnet supports CMSG, DMSG, and EMSG switches for precise end-position detection. With a 35 mm stroke, plan for about 94 N of real work at 0.5 MPa, which means it lifts roughly 8 kg vertically with a 2:1 safety margin. Fixed TPU bumper pads absorb the stroke-end impact, and the CA rear pivot cover simplifies clevis mounting.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X35SCA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X35SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 35 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 MI20X35SCA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×35 | 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 MI20X35SCA Is Used
Package Diverter Gate
Pushes lightweight cardboard cartons on a packaging line using its 157 N push force, while the stainless build survives occasional washdown cleaning.
Small Parts Clamp
Secures aluminum brackets during a light machining operation, utilizing the 35 mm stroke and the CA pivot mount to accommodate slight angular movement.
Lab Sample Ejector
Ejects plastic test tubes from a testing carousel, relying on the integrated magnet and DMSG sensor to confirm the ejection stroke completed.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X35SCA the Right Cylinder?
When sizing this actuator, the Ø16 bore offers 100.5 N push at 0.5 MPa for lighter duties, while stepping up to the Ø25 bore provides 245.3 N for heavier loads. The CA back cover provides a pivot mount, but remember that a standard cylinder drifts if air pressure drops or the valve is centered; use an external rod lock or pilot check valve if you must hold a load vertically. Because this SKU includes the -S magnet, it is immediately ready for electronic or reed sensor integration.
At a 35 mm stroke, side-load stress on the Ø8 mm rod is minimal, but ensure the front pivot is aligned to prevent premature seal wear. The ISO 6432 mounting interface on this Ø20 bore allows it to drop directly into standard mini-cylinder brackets and clevises, making it a straightforward drop-in replacement for existing tooling.
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 MI20X35SCA FAQ
This Ø20 mm bore cylinder features a 1/8 inch port and an M8x1.25 rod thread. 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 force of 32 kgf at 1.0 MPa.
No, the base MI series uses fixed TPU bumper pads to decelerate the stroke end, not an adjustable air cushion; for adjustable cushioning look at the MIC variant. However, this -S model includes a piston magnet, allowing you to mount CMSG, DMSG, or EMSG switches for position sensing.
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