Airtac MFCJ Adjustable Mini Cylinder MFCJ25X125-10S
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ25X125-10S is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 125mm 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
- Stroke125 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke + cushion
- Rod threadM10×1.25
- CushionVariable air cushion, both ends
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MFCJ Adjustable Mini Cylinder MFCJ25X125-10S
Dial in your extend end-point within a 10 mm window on site, and let the needle-set variable air cushion soak up high-speed shock with the AirTAC MFCJ25X125-10S. This JIS-standard round-body mini cylinder features a SUS304 stainless barrel and riveted aluminium covers, offering a shorter mounting length than a comparable ISO 6432 unit while resisting mild washdown corrosion. The double-acting piston delivers 245.3 N push and 206.1 N pull at 0.5 MPa.
Driven by a 1/8" port and a Ø10 mm rod with an M10x1.25 male thread, it is built for rapid changeovers. The -S suffix means a piston magnet is factory-fitted, allowing CMSG, DMSG or EMSG switches to track position. With a safe working load of roughly 147 N, it lifts about 12.5 kg vertically with a 2:1 margin.
Airtac MFCJ Adjustable Mini Cylinder MFCJ25X125-10S Technical Specifications
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ25X125-10S |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 125 mm |
| Acting type | Double acting, adjustable stroke + 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 MFCJ Adjustable Mini Cylinder MFCJ25X125-10S
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×125 | 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 MFCJ Adjustable Mini Cylinder MFCJ25X125-10S Is Used
High-Speed Part Ejection
Tune the 10 mm extend window to dial in the exact ejection reach, while the variable air cushion quietly arrests the 245.3 N push force at rapid cycle speeds.
Adjustable Transfer Stops
Set precise diverting distances on the fly for mixed product lines; the SUS304 body handles splashes while the needle cushion absorbs end-of-stroke impact.
Light Lift & Place
Lifts about 12.5 kg vertically with a 2:1 safety margin, letting you adjust the placement depth during changeovers without swapping the entire cylinder.
Is the Airtac MFCJ Adjustable Mini Cylinder MFCJ25X125-10S the Right Cylinder?
When sizing this series, compare the real thrust: the MFCJ20 yields 157 N at 0.5 MPa, this MFCJ25 provides 245.3 N, and the MFCJ32 jumps to 402.2 N. Choose the 25 mm bore when your payload sits in that middle band and you need on-site stroke tuning for trial fits. The external adjuster only shortens the extend stroke (usable 115-125 mm); it does not lock the piston mid-travel. If air pressure drops, the load will drift—the cushion decelerates at stroke end but acts as no brake, so add an external rod lock or pilot check valve for holding. Mount via LB foot, FA flange, or TC trunnion (no SDB), and use CMSG/DMSG/EMSG sensors since the -S magnet is included.
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 MFCJ Adjustable Mini Cylinder MFCJ25X125-10S FAQ
It has a 1/8" port and delivers 245.3 N push / 206.1 N pull at 0.5 MPa, and 343.4 N push / 288.5 N pull at 0.7 MPa. The theoretical maximum force is 50 kgf at 1.0 MPa.
The external adjuster shortens the extend stroke by up to 10 mm (usable 115-125 mm), while the variable air cushion at both ends decelerates the piston near stroke end. It does not lock or hold the load on air loss; use an external rod lock for holding. The -S suffix enables CMSG/DMSG/EMSG sensors.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
Fast Dispatch
Standard models are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
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