Airtac MFCJ Adjustable Mini Cylinder MFCJ25X225-100
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ25X225-100 is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 225mm 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
- Stroke225 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 MFCJ25X225-100
Trim the extend stroke by up to 100 mm on site with this adjustable-stroke, variable-cushion mini cylinder. The double-acting MFCJ25X225-100 gives a usable extend range of 125-225 mm and pairs that flexibility with needle-set air cushions at both ends to soak up high-speed shock.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, it is shorter than an ISO 6432 cylinder for the same bore and stroke, saving mounting length. It pushes with 245.3 N at 0.5 MPa, giving a safe working load of about 147 N or a 12.5 kg vertical lift with a 2:1 margin. The 1/8" port and Ø10 rod suit compact changeovers, though this SKU lacks a magnet and cannot take a sensor.
Airtac MFCJ Adjustable Mini Cylinder MFCJ25X225-100 Technical Specifications
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ25X225-100 |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 225 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 MFCJ25X225-100
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×225 | 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 MFCJ25X225-100 Is Used
Adjustable Tooling Stops
Dial in the exact 125-225 mm extend position during machine changeovers while the air cushion protects the 147 N safe working load from end-of-stroke shock.
High-Speed Diverting
Variable needle cushions absorb the impact of fast 30-800 mm/s diverting strokes, letting the 25 mm bore push 245.3 N smoothly without slamming.
Prototype Actuation
Test various extend lengths on a new fixture without machining new stops; the 100 mm window provides on-site flexibility for 12.5 kg vertical trial lifts.
Is the Airtac MFCJ Adjustable Mini Cylinder MFCJ25X225-100 the Right Cylinder?
Weigh this 25 mm bore against the MFCJ20 at 157 N or the MFCJ32 at 402.2 N (both push @0.5 MPa) to match your force needs. The 100 mm adjust window and variable air cushion shine on shock-sensitive trial fits and high-speed changeovers where you must tune both the end position and the deceleration. Mount via LB foot, FA flange or TC trunnion (no SDB). Remember the cushion only decelerates near stroke end and does not lock; for a held load fit an external rod lock or pilot check valve.
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 MFCJ25X225-100 FAQ
This 25 mm bore cylinder has a 1/8" port and a Ø10 mm rod. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, or 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 would need the -S variant for sensing. The 100 mm adjustable window only sets the extend end position and the variable air cushion only decelerates the piston; neither acts as a mid-stroke lock.
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1-Year Warranty
Covers non-human-caused product damage.
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Standard models are processed and dispatched in 3-5 business days.
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Most inquiries answered within 7-8 hours.
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