Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCA
The AirTAC Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCA 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
About the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCA
Generating 157 N of push force at 0.5 MPa, this double-acting AirTAC mini cylinder features a JIS-standard round body that is physically shorter than a comparable ISO 6432 unit, saving valuable mounting length in tight fixtures. The SUS304 stainless steel barrel and riveted aluminium covers resist mild corrosion, while the piston's two-way seal retains an oil film for extended lifespan. Equipped with a built-in magnet (-S) and a CA pivot back cover, it operates on a 1/8" port with an 8 mm rod.
For practical sizing, plan for a safe working load of about 94 N, which safely covers roughly 60% of the 0.5 MPa rating. Alternatively, it can vertically lift an 8 kg part with a 2:1 safety margin. Fixed TPU bumper pads and a front-cover anti-impact pad soften the stroke-end impact, decelerating the piston without offering adjustable cushioning.
Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCA Technical Specifications
| Model | Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCA |
|---|---|
| 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 MF20X110SCA
| 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 MF20X110SCA Is Used
Light-Duty Part Ejection
Pushes small plastic moulded components out of a machining centre using a reliable 157 N push force at 0.5 MPa.
Package Diverting Gate
Actuates a lightweight routing flap on a packaging line, where the compact JIS body saves critical space along the conveyor frame.
Bin Lid Actuation
Lifts an 8 kg hopper lid vertically using the CA pivot mount, taking advantage of the smooth double-acting stroke.
Is the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCA the Right Cylinder?
When sizing this 20 mm bore actuator, consider the adjacent MF25 bore if your application requires more force, as it provides a robust 245.3 N push at 0.5 MPa. Since 20 mm is the smallest available MF bore, stepping down is not an option. This SKU includes the -S magnet for direct mounting of CMSG, DMSG, or EMSG sensors, and the CA rear pivot cover simplifies angular mounting requirements.
Keep in mind that a standard double-acting cylinder drifts when air pressure is lost or the valve is centred; the internal bumpers only soften the end of stroke and will not brake or hold a load. To suspend a vertical load securely, integrate an external rod lock or a pilot-operated check valve into your pneumatic circuit. Additionally, the 110 mm stroke demands careful alignment to prevent rod-bending side loads.
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 MF20X110SCA FAQ
This 20 mm bore cylinder features a 1/8" port and an M8x1.25 male rod thread. At 0.5 MPa it generates 157 N of push force and 131.9 N of pull force. At 0.7 MPa, the push increases to 219.8 N and the pull to 184.7 N. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, the fixed TPU bumper pads only decelerate the piston at the stroke end and do not function as a locking brake. If air is lost, the piston will drift. For vertical loads, you must use an external rod lock or pilot check valve. The -S magnet allows CMSG/DMSG/EMSG sensors to track position.
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