Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350R
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350R 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 MI20X350R
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles long 350 mm reach tasks with ease. 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 a real edge over painted alternatives in damp or washdown settings. An R back cover provides an axial-in port orientation for tidy rear plumbing.
Because the fixed TPU bumper pads only decelerate the stroke end rather than acting as an adjustable cushion, you can plan for a safe working load of about 94 N. That translates to lifting an 8 kg part vertically with a 2:1 safety margin. This SKU lacks the -S magnet, so it cannot host CMSG, DMSG or EMSG sensors.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350R Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350R |
|---|---|
| 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 MI20X350R
| 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 MI20X350R Is Used
Packaging Line Diverter
Pushes light cartons across a belt at 157 N, using the 350 mm stroke to bridge adjacent lanes without needing a larger profile cylinder.
Textile Loom Tensioner
Extends the 350 mm rod to position yarn guides in damp environments, leaning on the stainless steel barrel to resist humidity corrosion.
Palletiser Stop Gate
Acts as a long-reach physical stop for incoming pallets, safely halting loads under 8 kg while the R cover keeps rear air lines tidy.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X350R the Right Cylinder?
When sizing this 350 mm stroke unit, compare its 157 N push at 0.5 MPa against the smaller Ø16 bore offering 100.5 N, or step up to the Ø25 bore providing 245.3 N if your payload is heavier. The ISO 6432 mounting interface drops directly into standard mini-cylinder brackets and clevises. You can utilise LB foot, FA flange, SDB pivot or TC trunnion mounts alongside CA, U, R or CM back covers.
A 350 mm rod extension demands careful alignment to prevent side-load bending. Note that a plain cylinder drifts when air is lost or a valve centres; the bumpers only soften the impact at stroke end. For a suspended load, fit an external rod lock or pilot check valve.
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 MI20X350R FAQ
This Ø20 mm bore cylinder features a 1/8 inch 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 force of 32 kgf at 1.0 MPa.
No, this specific SKU lacks the internal magnet. To use CMSG, DMSG or EMSG switches, you must select the -S variant. The unit uses fixed TPU bumper pads for end-of-stroke deceleration rather than an adjustable air cushion.
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