Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400R
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400R is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 400mm 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
- Stroke400 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400R
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles long 400 mm reach tasks with an axial-in R rear port. The riveted stainless barrel and rod shrug off mild corrosion, giving it a real edge over painted alternatives in damp or washdown settings. Fixed TPU bumper pads absorb the impact at stroke extremes without adding bulk.
For practical sizing, plan for roughly 94 N of usable work at 0.5 MPa, which translates to lifting about 8 kg vertically with a safe 2:1 margin. Because this SKU lacks the -S magnet, it cannot host CMSG, DMSG or EMSG sensors. The 1/8" port feeds the 8 mm rod to cycle at 30-800 mm/s.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400R Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400R |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 400 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 MI20X400R
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×400 | 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 MI20X400R Is Used
Carton Push-off
Uses the 157 N push at 0.5 MPa to deflect medium cardboard cartons off a packaging conveyor over the 400 mm travel.
Drawer Actuation
Extends automated storage drawers fully with the 400 mm stroke, relying on the stainless rod to resist humid warehouse air.
Parts Ejection
Kicks machined aluminium parts out of a CNC enclosure, where the washdown-resistant stainless build prevents mild coolant corrosion.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400R the Right Cylinder?
Sitting between the 16 mm bore (100.5 N push) and the 25 mm bore (245.3 N push), this 20 mm unit is the sweet spot for medium force over a long 400 mm span. A stroke this long demands careful rod alignment to prevent side-loading and premature bending of the 8 mm rod. The R back cover supplies an axial-in port orientation for tidy plumbing along the machine frame.
If your process requires position feedback, you must step up to an -S magnet variant to accept switches. Remember that venting the air causes the piston to drift; the TPU bumpers only decelerate the end of travel. Fit an external pilot check valve if you need to suspend a load safely mid-stroke.
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 MI20X400R FAQ
This 20 mm bore cylinder features a 1/8" port and an 8 mm rod. 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 Ø20 mm body uses the ISO 6432 mounting interface, so it drops directly into standard mini-cylinder clevises and brackets. However, this specific SKU lacks a magnet, so it cannot accept CMSG, DMSG or EMSG sensors; you need the -S variant for position feedback.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MI16-20 Stainless Steel Mini Cylinder MI20X400R
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.