Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 80mm 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.
- BoreØ25 mm
- Stroke80 mm
- Port size1/8"
- Acting typeDouble acting + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
About the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU
Delivering 245.3 N of push force at 0.5 MPa, this double-acting 25 mm bore mini cylinder relies on a needle-set variable air cushion at both ends to absorb high-speed end-of-stroke shock. The riveted aluminium covers and SUS304 stainless barrel resist mild corrosion and washdown environments. Because the -S suffix includes a built-in piston magnet, the unit is ready for CMSG, DMSG or EMSG position switches.
For the same 25 mm bore and 80 mm stroke, the JIS-standard round-body design is physically shorter than an ISO 6432 cylinder, saving valuable mounting length. It features a U flat-end rear cover and a 1/8" port. Based on the 0.5 MPa push rating, it handles a safe working load of roughly 147 N, lifting about 12.5 kg vertically with a 2:1 safety margin.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU Technical Specifications
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 80 mm |
| Acting type | Double acting + cushion |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 | Variable air cushion, both ends |
| 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 (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | 289 N |
| Max (@1.0 MPa) | 50 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
Model Code: Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×80 | 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 MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU Is Used
Package Diverting
Ideal for rapidly pushing light cartons off a belt at speed, where the variable cushion prevents harsh slamming that could damage packaging.
Small Press Ejection
Provides reliable 245.3 N ejection force for stamped parts, with the U flat-end cover allowing tight vertical mounting against machine frames.
Vertical Lift Stops
Lifts roughly 12.5 kg loads in material handling gates, using the built-in -S magnet to confirm stroke endpoints via reed sensors.
Is the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU the Right Cylinder?
If 245.3 N at 0.5 MPa is excessive for your payload, step down to the MFC20 which provides 157 N; if you need substantially more thrust, the MFC32 offers 402.2 N. The adjustable air cushion is essential when cycling at high speeds or moving heavy masses, as it decelerates the piston smoothly to protect the load. Note that this cushion only slows the piston near the stroke end and does not act as a brake; the piston will drift on air loss, so fit an external rod lock or pilot check valve if you must hold position. Mounting options include LB foot, FA flange, SDB pivot and TC trunnion brackets.
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 MFC Cushioned Stainless Steel Mini Cylinder MFC25X80SU FAQ
This 25 mm bore cylinder has a 1/8" port and an 80 mm stroke. At 0.5 MPa it pushes with 245.3 N and pulls with 206.1 N. At 0.7 MPa the push is 343.4 N and pull is 288.5 N. The theoretical maximum force is 50 kgf at 1.0 MPa.
No, the variable air cushion only decelerates the piston near the end of the stroke and is not a locking brake. If air is lost, the piston will drift. For vertical loads, you must install an external rod lock or pilot-operated check valve.
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