Airtac MI16-20 Stainless Steel Mini Cylinder MI20X325SCA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X325SCA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 325mm 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
- Stroke325 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X325SCA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles robust linear tasks. The Ø20 mm bore operates on 1/8" ports and features a 325 mm stroke with a male M8x1.25 rod thread. Its riveted stainless barrel and rod resist 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, decelerating the piston smoothly.
Equipped with a built-in magnet (-S), the unit supports CMSG, DMSG, and EMSG position switches. It conforms to ISO 6432 mounting dimensions, dropping directly into standard mini-cylinder brackets. Plan for a safe working load of roughly 94 N, which translates to lifting about 8 kg vertically with a 2:1 safety margin. The rear CA pivot cover accommodates clevis mounting for articulating linkages.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X325SCA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X325SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 325 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 MI20X325SCA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×325 | 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 MI20X325SCA Is Used
Package Diverter Arm
Drives a pivoting gate on a packaging line to sort cartons, utilising the CA clevis mount for smooth articulation and the 157 N push force to overcome guide friction.
Textile Loom Tensioner
Regulates yarn tension mechanisms in humid textile manufacturing, where the stainless-steel barrel prevents mild corrosion from ambient moisture.
Vertical Parts Lift
Raises lightweight plastic totes weighing up to 8 kg in a storage retrieval system, relying on the 325 mm stroke and integrated magnet for position confirmation.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X325SCA the Right Cylinder?
When sizing this unit, compare it against its neighbours: a smaller Ø16 bore yields 100.5 N of push at 0.5 MPa, while stepping up to a Ø25 bore provides 245.3 N. This model includes a piston magnet for electronic sensors and a CA rear pivot for clevis attachments. Because the 325 mm stroke is relatively long for a mini cylinder, ensure adequate guidance to prevent rod bending under side loads. The standard 1/8" porting matches typical pneumatic manifolds for this force class.
Remember that a basic double-acting cylinder drifts if air pressure drops or the control valve centres; the fixed bumpers only soften the end-of-stroke impact and will not act as a brake. If your mechanism must hold a vertical load during an air loss event, install 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 MI20X325SCA FAQ
This Ø20 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 force of 32 kgf at 1.0 MPa.
No, the piston will drift if air pressure is lost or the valve centres, as the fixed TPU bumper pads only decelerate the stroke end and do not function as a locking brake. To maintain a vertical position, you must add an external rod lock or a pilot-operated check valve to the system.
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