Airtac MFCJ Adjustable Mini Cylinder MFCJ25X75-75S
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ25X75-75S is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 75mm 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
- Stroke75 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 MFCJ25X75-75S
Tune both the extend stroke and end-of-travel shock precisely on-site with this 25 mm bore, 75 mm stroke adjustable mini cylinder. The external adjuster shortens the extend end by up to a 75 mm window, while the needle-set variable air cushion at both ends soaks up high-speed impact for smooth deceleration. A built-in magnet (-S) enables CMSG, DMSG or EMSG switches for position sensing.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, the body is deliberately shorter than an ISO 6432 cylinder of the same bore and stroke, saving valuable mounting length. Delivering 245.3 N push force at 0.5 MPa (206.1 N pull) through a 1/8" port, it provides a safe working load of roughly 147 N or lifts about 12.5 kg vertically with a 2:1 margin. The cushion only decelerates the piston near stroke end; it is not a lock.
Airtac MFCJ Adjustable Mini Cylinder MFCJ25X75-75S Technical Specifications
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ25X75-75S |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 75 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 MFCJ25X75-75S
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×75 | 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 MFCJ25X75-75S Is Used
Adjustable Stopper Arms
Dial in the exact 0-75 mm extend position for varying product lengths on a conveyor, relying on the air cushion to absorb the impact of incoming workpieces at high speed.
High-Speed Forming Ejector
Eject light stamped parts using the 245.3 N push force, fine-tuning the extend length on the fly while the variable cushion prevents harsh end-of-stroke slamming.
Lab Test Actuator
Execute repeatable push tests where the 147 N safe working load is sufficient, adjusting the stroke window between runs and using the -S magnet for electronic DMSG feedback.
Is the Airtac MFCJ Adjustable Mini Cylinder MFCJ25X75-75S the Right Cylinder?
When sizing this adjustable family, compare the real thrust: the MFCJ20 provides 157 N push at 0.5 MPa, this MFCJ25 delivers 245.3 N, and the larger MFCJ32 offers 402.2 N. Choose the 25 mm bore when your changeover mechanism needs moderate force plus the ability to dial in the exact extend position and needle-tune the cushion for shock-sensitive trial fits at speed.
Mounting options include LB foot, FA flange and TC trunnion (there is no SDB or back-cover option on this build). Because this SKU includes the -S magnet, you can directly mount CMSG, DMSG or EMSG sensors. Remember that a standard cylinder drifts on air loss—the cushion decelerates but does not hold the load—so specify an external rod lock or pilot check valve if you need true position holding.
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 MFCJ25X75-75S FAQ
This 25 mm bore cylinder features a 1/8" port and a variable air cushion at both ends. The double-acting thrust is 245.3 N push and 206.1 N pull at 0.5 MPa, rising to 343.4 N push and 288.5 N pull at 0.7 MPa, with a theoretical maximum of 50 kgf at 1.0 MPa.
The external adjuster shortens the extend stroke by up to 75 mm on-site without changing the full retract length. The needle-set air cushion only decelerates the piston near the stroke end to reduce shock; it is not a lock or brake. For load holding on air loss, use an external rod lock or pilot check valve.
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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