Airtac MI16-20 Stainless Steel Mini Cylinder MI20X170SCA
The AirTAC Airtac MI16-20 Stainless Steel Mini Cylinder MI20X170SCA is a genuine double acting round-body mini air cylinder with a Ø20mm bore and 170mm 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
- Stroke170 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X170SCA
Delivering 157 N of push force at 0.5 MPa, this double-acting stainless-steel round-body mini cylinder handles robust linear motion tasks. The Ø20 mm bore operates on a 1/8" port and features a CA rear pivot cover for clevis mounting. Its stainless barrel and rod naturally resist mild corrosion, giving it a distinct advantage over painted alternatives in damp or washdown environments.
The built-in piston magnet (-S) directly supports CMSG, DMSG and EMSG switches for precise position detection. Fixed TPU bumper pads absorb impact at the stroke extremes, while the 170 mm travel length provides ample extension for mid-range automation. For practical sizing, plan for around 94 N of real work at 0.5 MPa, which translates to lifting about 8 kg vertically with a safe 2:1 margin.
Airtac MI16-20 Stainless Steel Mini Cylinder MI20X170SCA Technical Specifications
| Model | Airtac MI16-20 Stainless Steel Mini Cylinder MI20X170SCA |
|---|---|
| Series | MI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 170 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 MI20X170SCA
| MI | ISO 6432 round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×170 | 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 MI20X170SCA Is Used
Package Diverter Arm
Swings a deflector plate on a packaging line to route boxes, utilizing the CA clevis to pivot smoothly while pushing with 157 N at 0.5 MPa.
Vertical Parts Lift
Raises lightweight plastic totes 170 mm between conveyor tiers, safely handling components weighing up to 8 kg with a proper 2:1 safety margin.
Welding Shield Gate
Actuates a protective metal screen on an automated welding cell, where the stainless construction resists grinding dust and occasional spark splatter.
Is the Airtac MI16-20 Stainless Steel Mini Cylinder MI20X170SCA the Right Cylinder?
This 170 mm stroke model sits comfortably between the smaller MI16X170 (offering 100.5 N push at 0.5 MPa) and the larger MI25X170 (providing 245.3 N). If your payload approaches the 8 kg vertical lift threshold, stepping up to the Ø25 bore adds necessary thrust. Because the 170 mm stroke creates a long lever arm, carefully manage side loads to prevent rod bending and premature seal wear. The CA pivot clevis is ideal for accommodating slight misalignment in articulated mechanisms.
Note that a standard double-acting cylinder drifts when air pressure is lost or the directional valve is centred; the TPU bumpers only soften the end-of-stroke impact and do not function as a locking brake. To suspend a load safely during an air failure, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit.
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 MI20X170SCA 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, increasing to 219.8 N push and 184.7 N pull at 0.7 MPa. The theoretical maximum force is 32 kgf at 1.0 MPa.
Yes, the -S suffix denotes a built-in piston magnet, allowing direct mounting of CMSG, DMSG or EMSG reed and electronic switches. The CA back cover provides a rear pivot clevis interface, conforming to ISO 6432 mini-cylinder mounting dimensions for straightforward bracket integration.
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