Airtac MF20-25 Stainless Steel Mini Cylinder MF20X130SCM
The AirTAC Airtac MF20-25 Stainless Steel Mini Cylinder MF20X130SCM is a genuine double acting JIS-standard round-body mini air cylinder with a Ø20mm bore and 130mm 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
- Stroke130 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X130SCM
Generating 157 N of push force at 0.5 MPa, this double-acting AirTAC mini cylinder features a 20 mm bore and 130 mm stroke. Its JIS-standard round-body construction is physically shorter than a comparable ISO 6432 cylinder, 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 oil-retaining seal ensures long operational life.
Equipped with a built-in magnet (-S) for CMSG, DMSG, or EMSG switches, and a CM round-end rear cover, it integrates seamlessly into automated setups. Fixed TPU bumper pads and a front-cover anti-impact pad soften stroke-end impacts. For practical sizing, plan for roughly 94 N of actual work at 0.5 MPa, which translates to lifting about 8 kg vertically with a 2:1 safety margin.
Airtac MF20-25 Stainless Steel Mini Cylinder MF20X130SCM Technical Specifications
| Model | Airtac MF20-25 Stainless Steel Mini Cylinder MF20X130SCM |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 130 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 MF20X130SCM
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 20 | Bore size in mm. |
| ×130 | 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 MF20X130SCM Is Used
Small Part Ejection
Uses the 131.9 N pull force at 0.5 MPa to reliably strip small plastic moulded components from a die plate.
Package Diverting
Actuates a lightweight routing gate on a packaging line, where the compact JIS body saves conveyor frame space.
Probe Positioning
Moves an electronic testing probe 130 mm to contact circuit boards, relying on the -S magnet for position confirmation.
Is the Airtac MF20-25 Stainless Steel Mini Cylinder MF20X130SCM the Right Cylinder?
When sizing this 20 mm bore unit, consider the next size up: the MF25 provides 245.3 N of push force at 0.5 MPa if your load demands more authority. As the smallest available MF bore, there is no smaller standard option. The 1/8" port and M8x1.25 male rod thread are fixed for this bore size. You can mount this cylinder using LB foot, FA flange, SDB pivot, or TC trunnion hardware.
Because the 130 mm stroke extends the rod significantly, be cautious of side loads to prevent rod bending. Note that a standard double-acting cylinder will drift if air pressure is lost or the valve is centred; the bumpers only decelerate the stroke end and do not function as a brake. Use an external rod lock or pilot check valve for secure load holding.
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 MF20X130SCM FAQ
This 20 mm bore cylinder features a 1/8" port. At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it provides 219.8 N push and 184.7 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa.
No, the piston will drift if air pressure is lost or the valve is centred. The fixed TPU bumper pads only decelerate the stroke end and do not act as a lock. For vertical loads, you must install an external rod lock or pilot-operated check valve.
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