Airtac MID Series Double Rod Mini Cylinder MID20X150
The AirTAC Airtac MID Series Double Rod Mini Cylinder MID20X150 is a genuine double acting, double rod round-body mini air cylinder with a Ø20mm bore and 150mm 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
- Stroke150 mm
- Port size1/8"
- Acting typeDouble acting, double rod
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MID Series Double Rod Mini Cylinder MID20X150
Delivering 131.9 N of thrust at 0.5 MPa in both directions, this stainless-steel round-body mini cylinder uses a through-rod design to guarantee equal extend and retract forces. The twin rod exits both end covers, resisting rotation and side load for steadier guiding without an external guide rail. Because a rod occupies each side, both faces use the exact same rod-side area, meaning you never get a mismatched push versus pull figure. The 1/8" port feeds the dual chambers, operating at speeds of 30-800 mm/s.
Built with a riveted stainless barrel and rod, it handles mild washdown environments and conforms to the ISO 6432 mounting interface for standard mini brackets. For sizing, the equal-both-ways output yields a safe working load of roughly 79 N, or a vertical lift of about 6.7 kg with a 2:1 margin. Note this specific SKU lacks a magnet, so it cannot host CMSG/DMSG/EMSG sensors without switching to an -S variant.
Airtac MID Series Double Rod Mini Cylinder MID20X150 Technical Specifications
| Model | Airtac MID Series Double Rod Mini Cylinder MID20X150 |
|---|---|
| Series | MID ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 150 mm |
| Acting type | Double acting, double rod |
| 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 | Force (both ways) |
|---|---|
| 0.5 MPa | 132 N |
| 0.7 MPa | 185 N |
| Max (@1.0 MPa) | 27 kgf |
Double-rod: a rod exits both covers, so output force is equal in both directions (rod-side area used).
Model Code: Airtac MID Series Double Rod Mini Cylinder MID20X150
| MID | ISO 6432 round-body mini cylinder (double-rod). |
|---|---|
| 20 | Bore size in mm. |
| ×150 | 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 MID Series Double Rod Mini Cylinder MID20X150 Is Used
Symmetric Shuttle Transfer
Pushes a light 6 kg jig back and forth between two stations, relying on the equal 131.9 N force both ways to maintain a consistent cycle time.
Back-Rod Cam Tripping
Uses the extended rear rod end to physically strike an external mechanical limit switch, ideal when in-cylinder magnetic sensing is unavailable.
Anti-Rotation Guiding
Steadily raises and lowers a small 79 N tooling head without twisting, eliminating the need for a separate external guide rail in tight spaces.
Is the Airtac MID Series Double Rod Mini Cylinder MID20X150 the Right Cylinder?
When sizing this 20 mm bore, moving down to the MID16X50 drops your equal-both-ways force to 86.4 N at 0.5 MPa, while stepping up to the MID25X75S raises it to 206.1 N. The double-rod layout is ideal when you need the back rod end to trip a switch, carry a mechanical stop, or drive a second load simultaneously. For mounting, you can utilize LB foot, FA flange, or TC trunnion brackets, along with CA, U, R, or CM back covers, but the SDB pivot-block is not compatible with this double-rod configuration.
Remember that fixed TPU bumper pads only soften the stroke end and do not function as a lock. If your application must hold a vertical load during air loss, you must add an external rod lock or pilot-operated check valve, as the piston will drift. To add position sensing, select the -S magnet option to enable CMSG, DMSG, or EMSG switches.
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 MID Series Double Rod Mini Cylinder MID20X150 FAQ
Because it is a double-rod cylinder, the force is equal both ways: 131.9 N at 0.5 MPa, 184.7 N at 0.7 MPa, and a maximum of 26.9 kgf at 1.0 MPa. The 1/8" port supplies air to both chambers.
No, this specific SKU does not include a magnet, so CMSG, DMSG, or EMSG switches will not function. You must choose the -S variant for sensing. The stainless steel riveted build resists mild corrosion.
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