Airtac MFCJ Adjustable Mini Cylinder MFCJ25X175-75S
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ25X175-75S is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 175mm 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
- Stroke175 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 MFCJ25X175-75S
Dial in exact end positions and absorb high-speed shock with the AirTAC MFCJ25X175-75S. This JIS-standard round-body mini cylinder features a 75 mm adjustable extend window (usable 100-175 mm) paired with needle-set variable air cushions at both ends. The riveted SUS304 stainless barrel and aluminium covers yield a shorter mounting envelope than an ISO 6432 unit of the same bore and stroke, resisting mild washdown corrosion.
Delivering 245.3 N push and 206.1 N pull at 0.5 MPa through a 1/8" port, it suits moderate-force changeovers. The -S suffix adds a piston magnet for CMSG/DMSG/EMSG switches. For vertical loads, expect a safe working lift of about 12.5 kg with a 2:1 margin. Note that the cushion only decelerates; use an external rod lock to hold position on air loss.
Airtac MFCJ Adjustable Mini Cylinder MFCJ25X175-75S Technical Specifications
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ25X175-75S |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 175 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 MFCJ25X175-75S
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×175 | 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 MFCJ25X175-75S Is Used
Tooling Trial Fits
Use the 75 mm extend adjuster to micro-position clamping heads during prototype tooling setups, letting the needle cushion absorb high-speed contact shock without re-machining hard stops.
Variable Stroke Diverters
Tune the diverting arm reach on the fly for mixed carton widths; the 245.3 N push force handles light package routing while the cushion ensures quiet end-of-stroke deceleration.
Adjustable Lift Stops
Set precise mechanical upper limits for vertical lifts up to 12.5 kg; the SUS304 barrel withstands humid storage environments, and the -S magnet tracks position via DMSG switches.
Is the Airtac MFCJ Adjustable Mini Cylinder MFCJ25X175-75S the Right Cylinder?
When sizing this adjustable family, compare the real outputs: the MFCJ20 yields 157 N push @0.5 MPa for lighter tasks, this MFCJ25 hits 245.3 N, and the MFCJ32 jumps to 402.2 N. Choose this 25 mm bore when you need that mid-range force plus on-site stroke tuning for trial fits or shock-sensitive changeovers. The 75 mm adjuster sets the extend end-point, while the needle cushions soak up kinetic energy at speeds up to 800 mm/s.
Mounting uses LB foot, FA flange, or TC trunnion brackets (no SDB or back-cover option here). Because this SKU includes the -S magnet, you can directly fit CMSG, DMSG, or EMSG sensors for position confirmation. Remember that neither the cushion nor the adjuster acts as a brake; if gravity or air loss could drift the load, install a pilot check valve or external rod lock.
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 MFCJ25X175-75S FAQ
This 25 mm bore cylinder has a 1/8" air port and M10x1.25 male rod thread. At 0.5 MPa it provides 245.3 N push and 206.1 N pull force. At 0.7 MPa it delivers 343.4 N push and 288.5 N pull. The theoretical maximum force is 50 kgf at 1.0 MPa.
The external adjuster shortens the extend stroke by up to 75 mm on-site (usable range 100-175 mm), while the variable air cushion at both ends uses a needle valve to decelerate the piston smoothly at high speed. The cushion is not a lock or brake; the cylinder will drift on air loss, so use an external rod lock for position holding. The -S magnet allows CMSG/DMSG/EMSG sensors for end-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.
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Most inquiries answered within 7-8 hours.
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