Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X70CM
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X70CM is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 70mm 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
- Stroke70 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 MFC25X70CM
Designed to absorb high-velocity impacts, this double-acting JIS-standard round-body mini cylinder relies on a needle-set variable air cushion at both ends to decelerate loads smoothly. The MFC25X70CM pushes with 245.3 N and pulls with 206.1 N at 0.5 MPa, yielding a safe working load of roughly 147 N. It can lift about 12.5 kg vertically with a 2:1 safety margin. A CM round-end rear cover completes the riveted aluminium heads and SUS304 stainless barrel.
For the same 25 mm bore and 70 mm stroke, this SUS304 body is notably shorter than an ISO 6432 cylinder, saving valuable mounting length while resisting mild corrosion and washdown. It uses a 1/8" port and a two-way oil-retaining seal. Note that this specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG switches without upgrading to the -S variant.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X70CM Technical Specifications
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X70CM |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 70 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 MFC25X70CM
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×70 | 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 MFC25X70CM Is Used
Bottle Diverting
Pushes light packaging at high cycle rates; the variable air cushion silently stops the 245.3 N thrust without jarring the conveyor frame.
Small Press Ejection
Ejects stamped parts rapidly using the 206.1 N pull force, relying on the cushion needle to prevent harsh snap-back at the retract end.
Vertical Lift Stops
Raises 12.5 kg tote boxes vertically; the compact CM round-end cover and shorter-than-ISO-6432 body fit tight elevator shafts.
Is the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC25X70CM the Right Cylinder?
When sizing this 25 mm bore, compare it directly: step down to an MFC20 for 157 N @0.5 MPa if your load is light, or step up to an MFC32 for 402.2 N @0.5 MPa if you need substantially more push. The variable air cushion is essential when cycling at high speeds or moving heavy masses, as it protects the mechanism from end-of-stroke shock. If your application requires position sensing, select the -S magnet option instead of this base model.
Remember that the air cushion only decelerates the piston near the stroke end; it does not function as a brake. Because a standard cylinder drifts when air pressure drops or the valve is centred, you must add an external rod lock or pilot-operated check valve to hold a suspended load safely in place.
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 MFC25X70CM FAQ
This 25 mm bore cylinder features a 1/8" port and an M10x1.25 male rod thread. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, increasing to 343.4 N push and 288.5 N pull at 0.7 MPa. The theoretical maximum force is 50 kgf at 1.0 MPa.
No, this specific SKU does not include a magnet, so it cannot accept CMSG, DMSG, or EMSG switches. You must order the -S variant for sensing capabilities. The SUS304 stainless barrel and riveted aluminium covers provide washdown resistance, and the needle-set variable air cushion decelerates the piston but does not lock the load.
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