Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCM
The AirTAC Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCM 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 MF20X110SCM
Generating 157 N of push force at 0.5 MPa, this double-acting JIS-standard round-body mini cylinder saves valuable mounting length because its overall body is physically shorter than a comparable ISO 6432 unit. The SUS304 stainless-steel barrel and riveted aluminium covers resist mild corrosion, while the internal two-way seal retains an oil film for long service life. Because the code contains an S, this unit includes a piston magnet for position sensing.
Equipped with fixed TPU bumper pads and a front-cover anti-impact pad, it decelerates the stroke end without adjustable cushioning. For practical sizing, plan for roughly 94 N of real work at 0.5 MPa, which means it can safely lift an 8 kg part vertically with a 2:1 safety margin. The CM round-end back cover facilitates direct pivot mounting, and the 1/8 inch port ensures rapid airflow for its 30-800 mm/s speed range.
Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCM Technical Specifications
| Model | Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCM |
|---|---|
| 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 MF20X110SCM
| 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 MF20X110SCM Is Used
Light-Part Ejection
Pushes small moulded plastic components out of a machining fixture using 157 N of thrust at 0.5 MPa.
Package Diverting
Actuates a routing flap on a packaging line where the compact JIS body saves critical mounting space.
Vertical Tray Lifting
Raises lightweight industrial trays weighing up to 8 kg, matching the 2:1 safety margin of the bore's push capacity.
Is the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X110SCM the Right Cylinder?
When sizing this 20 mm bore actuator, consider the next size up: the MF25 provides 245.3 N of push force at 0.5 MPa if your load exceeds the safe 94 N working threshold. Since 20 mm is the smallest available MF bore, dropping down is not an option. At a 110 mm stroke, ensure your mounting configuration—such as the CM round-end rear pivot—supports the rod laterally to prevent bending under side loads.
Remember that a standard double-acting cylinder will drift if air pressure is lost or the control valve is centred; the bumper pads only soften the end of stroke and act as neither a brake nor a holding lock. To suspend a load safely mid-stroke, integrate an external pilot-operated 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 MF20X110SCM FAQ
This 20 mm bore cylinder features a 1/8 inch 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.
Yes, the S in the model code indicates a built-in piston magnet, allowing you to mount CMSG, DMSG, or EMSG switches for detection. The CM suffix denotes a round-end rear cover for pivot mounting.
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