
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X225SR is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 225mm 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.
Delivering 100.5 N of push force at 0.5 MPa, this double-acting stainless-steel mini cylinder handles mid-range automation tasks with ease. The Ø16 mm bore uses a 1/8 inch port and a 225 mm stroke, making it a versatile choice for machinery requiring extended linear movement. Its round-body, riveted construction features a stainless barrel and rod that naturally resist mild corrosion, outperforming painted alternatives in damp or washdown environments.
Because it conforms to ISO 6432 mounting dimensions, this unit drops directly into standard mini-cylinder brackets and clevises for easy maintenance. The built-in piston magnet (-S) supports CMSG, DMSG and EMSG switches for position sensing, while the R back cover provides an axial-in port orientation. For practical sizing, plan for a safe working load of about 60 N, which means it can lift roughly 5.1 kg vertically with a 2:1 safety margin.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X225SR |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 225 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M6×1.0 |
| 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 101 N | 86 N |
| 0.7 MPa | 141 N | 121 N |
| Max (@1.0 MPa) | 21 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 16 | Bore size in mm. |
| ×225 | 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.
Actuates a routing flap on a packaging line, using the 100.5 N thrust to push corrugated boxes onto secondary tracks at speed.
Shifts a yarn guide carriage across a 225 mm stroke, relying on the stainless build to withstand humid textile manufacturing conditions.
Ejects plastic injection-moulded components from a tool, using the axial R rear port to keep pneumatic hoses neatly tucked away.
When sizing this 16 mm bore, compare it against its neighbours: a 12 mm bore gives 56.5 N push at 0.5 MPa, while a 20 mm bore yields 157.0 N. If your application demands higher force, step up to the 20 mm; if you need less, the 12 mm is more compact. The 225 mm stroke is well within the 500 mm maximum for this bore, but at this length you must carefully manage side loads to prevent rod bending and premature seal wear. Utilise the LB foot, FA flange, SDB pivot or TC trunnion mounts to keep the rod aligned.
Note that a standard double-acting cylinder drifts when air is lost or the valve is centred, as the fixed TPU bumper pads only decelerate the stroke end rather than locking the load. To hold a vertical load securely, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
Quick checklist
This Ø16 mm bore cylinder features a 1/8 inch port and a M6x1.0 male rod thread. It generates 100.5 N push and 86.4 N pull at 0.5 MPa, increasing to 140.7 N push and 120.9 N pull at 0.7 MPa. The theoretical maximum force is 20.5 kgf at 1.0 MPa.
Yes, the -S suffix indicates a built-in piston magnet compatible with CMSG, DMSG and EMSG reed or electronic switches. For impact absorption, it uses fixed TPU bumper pads that decelerate the piston at the stroke ends; it does not feature adjustable air cushioning, which is found on the MIC variant.
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