Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15CM
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15CM is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 15mm 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
- Stroke15 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15CM
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles short 15 mm strokes with precision. The riveted barrel and rod shrug off mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. It features a CM round rear cover and a 1/8" air port.
Because the 157 N rating is theoretical, plan for a safe working load of about 94 N of real work at 0.5 MPa. For vertical moves, that equates to lifting roughly 8 kg with a 2:1 safety margin. Fixed TPU bumper pads absorb the impact at stroke end, and since this specific SKU lacks a magnet, it cannot host CMSG or DMSG sensors without switching to the -S version.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15CM Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15CM |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 15 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 MI20X15CM
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×15 | 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 MI20X15CM Is Used
Clamping Small Housings
Secures die-cast aluminum parts during secondary machining, using the 15 mm stroke to quickly apply 94 N of safe holding force.
Film Roll Deflection
Acts as a compact tensioning pivot on packaging machinery, where the stainless steel barrel withstands daily washdowns.
Ejector Gate Actuation
Provides a rapid 15 mm kick to clear small plastic components from an injection mold cavity between cycles.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X15CM the Right Cylinder?
When sizing this 20 mm bore, dropping down to the Ø16 class reduces the push force to 100.5 N at 0.5 MPa, while stepping up to the Ø25 bore raises it to 245.3 N. The compact 15 mm stroke minimizes rod bending risks, though side loading should still be minimized. Its ISO 6432 mounting dimensions allow it to drop directly into standard mini-cylinder brackets and clevises.
Remember that venting the air supply causes the piston to drift, as the TPU pads only decelerate the end of travel rather than locking the rod. To prevent a dropped load during a pressure loss, install an external pilot-operated check valve or a dedicated rod lock. You can adapt the unit using LB foot, FA flange, or TC trunnion hardware.
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 MI20X15CM FAQ
This 20 mm bore cylinder features a 1/8" 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 does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You must select the -S magnet variant for position sensing. It relies on fixed TPU bumper pads for end-of-stroke deceleration rather than an adjustable air cushion.
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