Airtac MID Series Double Rod Mini Cylinder MID20X20S
The AirTAC Airtac MID Series Double Rod Mini Cylinder MID20X20S is a genuine double acting, double rod round-body mini air cylinder with a Ø20mm bore and 20mm 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
- Stroke20 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 MID20X20S
Delivering 131.9 N of thrust at 0.5 MPa, the AirTAC MID20X20S is a round-body stainless steel mini cylinder built for double-acting operation. Because a piston rod exits both end covers, the extend and retract forces are perfectly equal, and the twin-rod geometry inherently resists rotation and side loads for steadier guiding. The stainless barrel and rod provide reliable mild corrosion and washdown resistance.
Equipped with a built-in piston magnet (-S), this unit supports CMSG, DMSG, and EMSG reed or electronic switches for position sensing. It uses a 1/8" air port and conforms to the ISO 6432 mounting interface for standard mini brackets. For application sizing, a safe working load is approximately 79 N (60% of the 0.5 MPa figure), which translates to a vertical lift capacity of about 6.7 kg with a 2:1 safety margin.
Airtac MID Series Double Rod Mini Cylinder MID20X20S Technical Specifications
| Model | Airtac MID Series Double Rod Mini Cylinder MID20X20S |
|---|---|
| Series | MID ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 20 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 MID20X20S
| MID | ISO 6432 round-body mini cylinder (double-rod). |
|---|---|
| 20 | Bore size in mm. |
| ×20 | 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 MID20X20S Is Used
Guided Push Station
With 131.9 N of equal force both ways, the twin rod prevents twisting during short 20 mm pushing and clamping tasks without needing an external guide.
Dual-Signal Shuttle
The rear rod end trips a CMSG or DMSG switch directly, acting as a physical stop while the front rod drives a 6.7 kg payload symmetrically.
Washdown Divertor
Stainless construction handles mild washdowns, using the equal bidirectional force to reliably flap or divert light gates on a packaging line.
Is the Airtac MID Series Double Rod Mini Cylinder MID20X20S the Right Cylinder?
When sizing this 20 mm bore, stepping down to the MID16X50 yields 86.4 N at 0.5 MPa, while stepping up to the MID25X75S provides 206.1 N. The double-rod design is ideal when you need anti-rotation stability, want to trip a switch from the back rod end, or need to drive a second load simultaneously. For mounting, you can use LB foot, FA flange, or TC trunnion brackets, but the SDB pivot block is not available on this double-rod variant. Note that the fixed TPU bumper pads only decelerate the stroke end; they do not lock the piston. If your application requires holding a load on air loss, you must add an external rod lock or pilot-operated check valve.
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 MID20X20S FAQ
It delivers equal force in both directions because a rod exits both ends. The thrust is 131.9 N at 0.5 MPa, 184.7 N at 0.7 MPa, with a maximum theoretical force of 26.9 kgf at 1.0 MPa.
Yes, the -S suffix means it has a built-in magnet for CMSG, DMSG, or EMSG switches. The double-rod design resists rotation and side loads, and the rear rod end can carry a stop or trip a secondary switch.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Request a Quote for Airtac MID Series Double Rod Mini Cylinder MID20X20S
Send us the quantity and destination. We confirm price, stock and lead time — usually within 7-8 hours.