Airtac MI16-20 Stainless Steel Mini Cylinder MI20X450SCA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X450SCA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 450mm 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
- Stroke450 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X450SCA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 450 mm stroke with ease. The Ø20 mm bore uses a 1/8" 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 settings. Riveted construction keeps the body compact, while fixed TPU bumper pads absorb the impact at stroke extremes without offering adjustable cushioning.
For practical sizing, plan for roughly 94 N of actual work at 0.5 MPa, which translates to lifting about 8 kg vertically with a 2:1 safety margin. Because this SKU includes the -S magnet, it supports CMSG, DMSG and EMSG position switches. The CA rear cover provides an integral pivot clevis for articulated mounting. It also conforms to the ISO 6432 mounting interface for Ø20, dropping directly into standard mini-cylinder brackets.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X450SCA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X450SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 450 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 MI20X450SCA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×450 | 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 MI20X450SCA Is Used
Package Diverter Gate
Actuates a routing flap on a packaging line, using the 450 mm stroke to shift parcels between parallel conveyor belts.
Vertical Parts Elevator
Lifts approximately 8 kg component trays between floor levels, relying on the CA clevis to pivot smoothly during travel.
Lab Sample Transport
Pushes sample racks out of a damp washdown chamber, where the stainless construction prevents mild corrosion.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X450SCA the Right Cylinder?
When sizing this 157 N push unit, stepping down to a Ø16 bore yields 100.5 N at 0.5 MPa, whereas moving up to a Ø25 bore provides 245.3 N. This 450 mm stroke is well within the 500 mm standard limit for Ø20, though such a long extension demands careful rod alignment to prevent side-loading and premature seal wear. The CA pivot clevis pairs naturally with FA flange or LB foot mounts to manage articulation.
Remember that a standard double-acting cylinder drifts if air pressure drops or the valve is centered; the TPU bumpers only decelerate the end of stroke and do not function as a locking brake. To suspend a load safely during an air loss event, incorporate an external pilot-operated check valve or a dedicated rod lock.
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 MI20X450SCA FAQ
This Ø20 mm bore cylinder features a 1/8" 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.
Yes, the -S suffix denotes a built-in piston magnet compatible with CMSG, DMSG and EMSG switches. The cylinder does not hold position on air loss; the fixed TPU bumpers only decelerate the stroke end, so use an external rod lock or pilot check valve for load holding.
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