Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SR
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SR is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 150mm 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
- Stroke150 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SR
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel mini cylinder handles robust linear motion tasks. The Ø20 mm bore uses a 1/8" air port and an M8x1.25 male rod thread. Its stainless-steel barrel and rod resist mild corrosion, making it superior to painted alternatives in damp or washdown environments. An integrated piston magnet allows direct mounting of CMSG, DMSG, or EMSG switches for precise end-position detection.
The riveted round-body construction keeps the unit compact, while fixed TPU bumper pads absorb impact energy at the stroke extremes. Operating at speeds from 30-800 mm/s, it provides a practical safe working load of about 94 N. For vertical applications, this translates to lifting roughly 8 kg safely with a 2:1 margin, ensuring reliable performance across a 150 mm travel distance.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SR Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SR |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 150 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 MI20X150SR
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×150 | 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 MI20X150SR Is Used
Package Diverter Gate
Actuates a routing flap on a packaging conveyor, using the 157 N push force to redirect moderate-weight cartons at speeds up to 800 mm/s.
Lab Sample Ejection
Ejects processed sample trays from a testing station, where the stainless-steel build resists chemical exposure and the -S magnet confirms part ejection.
Vertical Parts Lift
Raises lightweight plastic totes 150 mm in an automated storage system, safely lifting loads approaching 8 kg with a proper 2:1 safety margin.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X150SR the Right Cylinder?
When sizing this 150 mm stroke model, compare it against adjacent bores: the Ø16 generates 100.5 N push at 0.5 MPa, while the Ø25 offers 245.3 N, giving you clear scaling options if your load changes. The R back cover features an axial-in port orientation, which helps streamline tubing routing in tight machinery. Because the stroke is relatively long for a mini cylinder, ensure your mounting arrangement—whether LB foot, FA flange, or TC trunnion—prevents excessive side loading that could bend the Ø8 mm piston rod.
Remember that fixed TPU bumpers only decelerate the end of stroke; they do not act as a brake. If air pressure drops or the valve is centered, the piston will drift and cannot hold a load vertically. To maintain position during an air loss event, you must integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
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 MI20X150SR FAQ
This Ø20 mm bore cylinder features a 1/8" air 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.
Yes, the Ø20 mm bore utilizes the ISO 6432 mounting interface for standard mini-cylinder brackets. The -S suffix indicates a built-in piston magnet, allowing you to attach CMSG, DMSG, or EMSG reed or electronic switches directly to the body.
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