Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC
The AirTAC Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC is a genuine double acting JIS-standard round-body mini air cylinder with a Ø20mm bore and 110mm stroke, 1/8" air ports and a SUS304 stainless-steel barrel for mildly corrosive environments. For the same bore and stroke it is shorter than an ISO 6432 cylinder, saving mounting space.
- BoreØ20 mm
- Stroke110 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC
Generating 157 N of push force at 0.5 MPa, this double-acting 20 mm bore cylinder is built around a SUS304 stainless barrel with riveted aluminium covers that resist mild washdown. Because the JIS-standard round body is physically shorter than a comparable ISO 6432 unit for the same 110 mm stroke, it drops neatly into compact automated fixtures. The integrated piston magnet allows direct mounting of CMSG, DMSG or EMSG switches for position sensing, while fixed TPU bumper pads soften the end-of-stroke impact.
For real-world sizing, plan for a working load of about 94 N (roughly 60 percent of the 0.5 MPa rating) to ensure smooth cycling. That translates to lifting a 8 kg part vertically with a safe two-to-one margin. The 1/8 inch port feeds the two-way oil-retaining piston seal, and the U-style flat rear cover paired with the TC trunnion mounting gives you a pivoting chassis anchor.
Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC Technical Specifications
| Model | Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 110 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 MF/MFC (JIS-standard) datasheet. Barrel: SUS304 stainless steel; covers: aluminum alloy (round-body, riveted rolling-packed construction). Thread options: PT (blank) / G / NPT.
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 MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×110 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MF-family variants: MF / MFC (double acting ±cushion), MSF / MTF (single acting push / pull), MFD / MFCD (double rod ±cushion), MFJ / MFCJ (adjustable stroke ±cushion). Back covers CA / U / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC Is Used
PCB Component Insertion
Uses the 8 kg vertical lift capacity to press small electronic connectors onto circuit boards within a dense assembly fixture where the short JIS body prevents frame clashes.
Pouch Flap Folding
Deploys the 110 mm stroke to tuck packaging flaps on a high-speed flow wrapper, relying on the TC trunnion to pivot the cylinder clear of the product path.
Lab Sample Diverting
Actuates a diverting gate on a diagnostic machine, using the CMSG sensor to confirm the position of the 8 mm rod before a test tube carousel indexes.
Is the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC the Right Cylinder?
When sizing this unit, the 20 mm bore sits at the smallest end of the MF family. If your application demands less than 94 N of actual work, you have no smaller MF option and should instead look at a shorter stroke or lower regulated pressure. Conversely, if the load creeps upward, stepping up to the MF25 bore provides a substantial jump to 245.3 N of push force at 0.5 MPa. At a 110 mm stroke, keep an eye on side loading to prevent rod bending.
This SKU includes the S magnet for CMSG, DMSG or EMSG sensors and comes configured with a U flat-end back cover plus a TC trunnion mount for pivoting assemblies. Remember that a standard cylinder will drift and lose its position if air pressure drops or the valve is centred; the TPU bumpers only decelerate the stroke end rather than locking the load. To suspend a load safely mid-air, install an external pilot check valve or a dedicated rod lock.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G / NPT)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/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/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SUTC FAQ
This 20 mm bore double-acting cylinder uses a 1/8 inch air port and an M8x1.25 male rod thread. It generates 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical maximum force of 32 kgf at 1.0 MPa.
No, the piston will drift if air pressure is lost or the directional valve is centred. The fixed TPU bumper pads only decelerate the stroke end and do not act as a brake. To hold a vertical load safely, you must add an external pilot check valve or a mechanical rod lock.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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