
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI16X75SR is a genuine double acting round-body mini air cylinder with a Ø16mm bore and 75mm 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 round-body mini cylinder handles a 75 mm stroke with a 1/8" port and M6x1.0 male rod thread. The riveted stainless barrel and rod resist mild corrosion, giving it a real edge over painted alternatives in damp or washdown environments. Its 16 mm bore conforms to ISO 6432 mounting dimensions, dropping directly into standard mini-cylinder brackets and clevises for easy design integration.
For practical sizing, plan for about 60 N of real work at 0.5 MPa, which safely lifts a 5.1 kg part vertically with a 2:1 margin. The -S suffix denotes a built-in piston magnet for CMSG, DMSG or EMSG position switches. Stroke-end impact is softened by fixed TPU bumper pads, while the R back cover provides an axial-in port orientation to keep hose routing tight against the machine frame.
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI16X75SR |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø16 mm |
| Stroke | 75 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. |
| ×75 | 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.
Pushes a lightweight stainless guide flap to sort filled beverage bottles on a washdown line, using the 100.5 N thrust to overcome friction from wet packaging.
Kicks machined plastic parts out of a CNC fixture with a 75 mm travel, relying on the built-in magnet and DMSG sensor to confirm ejection before the next cycle.
Folds corrugated cardboard side flaps prior to sealing, where the compact 16 mm round body and axial R rear port fit neatly within tight packaging machine frames.
When sizing this 16 mm bore, stepping down to the Ø12 MI yields 56.5 N push at 0.5 MPa, whereas stepping up to the Ø20 MI provides 157.0 N. This 75 mm stroke sits well within the 500 mm maximum, keeping rod bending stress low for standard loads. The R-type axial rear port suits compact installations where side clearance is minimal. Because the standard TPU bumpers only decelerate the piston and never act as a lock, a pilot-operated check valve or external rod lock is required if the load must be held during air loss or valve centring.
Quick checklist
At 0.5 MPa it provides 100.5 N push and 86.4 N pull. At 0.7 MPa it provides 140.7 N push and 120.9 N pull. The theoretical maximum force is 20.5 kgf at 1.0 MPa. The air port is 1/8" and the male rod thread is M6x1.0.
No, the piston will drift if air is lost or the valve is centred. The fixed TPU bumper pads only decelerate the stroke end and do not act as a brake. To hold a suspended load, you must fit an external rod lock or a pilot-operated check valve.
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