Airtac MFCJ Adjustable Mini Cylinder MFCJ32X125-50S
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ32X125-50S is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø32mm bore and 125mm stroke, 1/4" 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.
- BoreØ32 mm
- Stroke125 mm
- Port size1/4"
- 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 MFCJ32X125-50S
Dial in exact end positions and absorb high-speed shock with the AirTAC MFCJ32X125-50S. This double-acting JIS-standard round-body mini cylinder features a 50 mm external adjuster that shortens the extend stroke on-site, giving a usable 75-125 mm extension window, paired with a variable air cushion at both ends for smooth deceleration.
Built with a SUS304 stainless barrel and riveted aluminium covers, the body is deliberately shorter than an ISO 6432 unit of the same bore and stroke, saving valuable machine space while resisting mild washdown. The 32 mm bore delivers 402.2 N of push force at 0.5 MPa, translating to a safe working load of roughly 241 N or a vertical lift of about 20.5 kg with a 2:1 margin. A 1/4" port and M10x1.25 male rod thread handle the pneumatic and mechanical connections, and the included -S magnet enables CMSG, DMSG or EMSG sensors.
Airtac MFCJ Adjustable Mini Cylinder MFCJ32X125-50S Technical Specifications
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ32X125-50S |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/4" |
| 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 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 MFCJ32X125-50S
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 32 | 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 MFCJ32X125-50S Is Used
Adjustable Tooling Stops
Fine-tune the extend stroke up to 50 mm during automated tooling changeovers, using the needle air cushion to softly stop 20 kg machining fixtures without slamming.
Variable Transfer Diverters
Set precise diverting distances on the fly for mixed-product conveyor lines, relying on the 402.2 N push force to push cartons smoothly into sorting lanes.
Tunable Packing Pushers
Dial in the exact product push length for varying carton sizes, letting the variable air cushion absorb the high-speed impact at the end of every stroke.
Is the Airtac MFCJ Adjustable Mini Cylinder MFCJ32X125-50S the Right Cylinder?
Choose the MFCJ32 when you need 402.2 N push force at 0.5 MPa; step up to the MFCJ40 for 628.3 N if moving heavier jigs. The 50 mm adjustable window is ideal for high-speed changeovers or trial fits where the exact extend point and end-of-stroke shock both require field tuning. Mount via LB foot, FA flange or TC trunnion (SDB and rear mounts are unavailable on this build).
Remember the cushion only decelerates the piston near stroke end—it is not a brake. If the load must hold position on air loss, add an external rod lock or pilot check valve. Because this SKU includes the -S magnet, you can directly fit CMSG, DMSG or EMSG switches for position feedback.
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 MFCJ32X125-50S FAQ
This 32 mm bore cylinder uses a 1/4" port and delivers 402.2 N push / 345.6 N pull at 0.5 MPa, and 563 N push / 483.8 N pull at 0.7 MPa. The theoretical max force is 82 kgf at 1.0 MPa. The 125 mm base stroke has a 50 mm adjustable window, allowing an extend range of 75-125 mm.
No, the variable air cushion only decelerates the piston near the end of stroke; it is not a lock or brake. The piston will drift on air loss. To hold a load, use an external rod lock or pilot check valve. The -S magnet on this model supports CMSG, DMSG and EMSG sensors for position confirmation.
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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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