Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50CAH
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50CAH is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 50mm 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
- Stroke50 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50CAH
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles a 50 mm stroke with a CA rear pivot clevis. The rolled riveted construction pairs a corrosion-resistant barrel and rod with fixed TPU bumper pads that absorb stroke-end impact. This specific -H configuration uses Viton (FKM) seals to withstand elevated thermal demands beyond standard nitrile. Because it carries no internal magnet, this SKU cannot host CMSG, DMSG or EMSG reed switches without upgrading to the -S variant.
The Ø20 bore accepts 1/8 inch pneumatic ports and conforms to ISO 6432 mounting dimensions, allowing a direct drop into standard mini-cylinder brackets. For practical sizing, plan for roughly 94 N of real work at 0.5 MPa, which translates to lifting an 8 kg part vertically with a safe 2:1 margin. The M8x1.25 male rod thread secures tooling firmly to the 8 mm piston rod.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50CAH Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50CAH |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 50 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 MI20X50CAH
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×50 | 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 MI20X50CAH Is Used
Diverter Gate Actuation
Pivots a sorting flap on a packaging line using the CA clevis, applying 157 N at 0.5 MPa to push cardboard cartons into the correct lane.
Small Press Ejection
Retracts an ejection pin from a warm stamping die, relying on the Viton -H seals to maintain integrity near heated tooling environments.
Parts Lift Mechanism
Raises lightweight tote bins vertically, safely lifting an 8 kg load with a 2:1 safety factor during the 50 mm extension cycle.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X50CAH the Right Cylinder?
When sizing this actuator, step down to the Ø16 bore if your task requires only 100 N of push at 0.5 MPa, or step up to the Ø25 bore for 245 N when moving heavier jigs. The built-in CA pivot clevis suits articulated mechanisms, while LB foot, FA flange and TC trunnion alternatives exist for rigid frames. Remember that venting the air supply causes the piston to drift; the bumpers only decelerate the end of travel and will not brake or hold a suspended load, so fit an external pilot check valve for vertical positioning. With a 50 mm stroke, side-load rod bending is minimal, but ensure the front tooling aligns cleanly to the M8x1.25 thread.
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 MI20X50CAH FAQ
This 20 mm bore double-acting cylinder uses a 1/8 inch port and an M8x1.25 male 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 of 32 kgf at 1.0 MPa.
No, this specific SKU lacks the internal magnet required for CMSG, DMSG or EMSG switches. You must select the -S magnet variant for position sensing. The unit uses fixed TPU bumper pads for end-of-stroke deceleration rather than an adjustable air cushion.
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