Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85CA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85CA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 85mm 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
- Stroke85 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85CA
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 operates on a 1/8 inch port, and the riveted stainless barrel shrugs off mild corrosion better than painted alternatives in damp or washdown environments. Its CA rear pivot cover is built specifically for clevis mounting, accommodating the 85 mm stroke smoothly.
The fixed TPU bumper pads decelerate the piston at both stroke ends without offering adjustable cushioning. Because this specific SKU lacks the -S magnet, it cannot host CMSG, DMSG or EMSG position sensors. For real-world sizing, plan for a safe working load of about 94 N, which means it can comfortably lift an 8 kg part vertically with a 2:1 safety margin.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85CA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85CA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 85 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 MI20X85CA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×85 | 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 MI20X85CA Is Used
Package Diverter Arm
Uses the CA pivot mount to swing a gating arm on a packaging line, relying on the 157 N push force to redirect light cartons at high speeds.
Textile Loom Tensioner
Deploys the 85 mm stroke to maintain consistent yarn tension, where the stainless steel barrel resists humid textile mill environments.
Bin Lid Actuation
Lifts an 8 kg access hatch on an automated dispensing bin, safely operating well within the calculated 94 N safe working load limit.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X85CA the Right Cylinder?
When sizing this 85 mm stroke unit, compare it directly against its neighbours: the smaller Ø16 bore yields 100.5 N of push at 0.5 MPa, while the larger Ø25 bore provides 245.3 N. If your application requires position feedback, you must step up to the -S magnet variant to accept reed or solid-state switches. The ISO 6432 mounting interface on this Ø20 bore drops directly into standard mini-cylinder brackets and clevises, simplifying your spares inventory.
Keep in mind that a plain double-acting cylinder drifts when air is lost or the valve is centred; the bumpers only soften the end-of-stroke impact and act as neither a brake nor a lock. To suspend a load safely mid-stroke, incorporate an external pilot-operated check valve or a dedicated rod lock. Additionally, on this 85 mm stroke, ensure your clevis geometry minimizes side loading to prevent premature rod bending.
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 MI20X85CA FAQ
This Ø20 mm bore cylinder features 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 force of 32 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot accept CMSG, DMSG or EMSG switches. You would need the -S variant for position sensing. It uses fixed TPU bumper pads for end-of-stroke deceleration rather than an adjustable air cushion, and its ISO 6432 dimensions allow standard bracket mounting.
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