Airtac MFCJ Adjustable Mini Cylinder MFCJ25X100-75S
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ25X100-75S is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø25mm bore and 100mm 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
- Stroke100 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 MFCJ25X100-75S
Dial in exact extend lengths on-site with the AirTAC MFCJ25X100-75S, a JIS-standard round-body mini cylinder built from a riveted SUS304 stainless barrel and aluminium covers. The external adjuster shortens the extend stroke by up to 75 mm (usable 25-100 mm), while the needle variable air cushion at both ends absorbs high-speed end-of-stroke shock. A 1/8" port feeds the 10 mm rod, and the -S suffix adds a piston magnet for position sensing.
Generating 245.3 N push and 206.1 N pull at 0.5 MPa, this double-acting actuator yields a safe working load of roughly 147 N. That equates to lifting about 12.5 kg vertically with a 2:1 safety margin. The compact riveted body is shorter than an equivalent ISO 6432 unit, saving mounting length in tight machinery, and the SUS304 construction resists mild washdown corrosion.
Airtac MFCJ Adjustable Mini Cylinder MFCJ25X100-75S Technical Specifications
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ25X100-75S |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 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 MFCJ25X100-75S
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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 MFCJ25X100-75S Is Used
Component Seating Press
Feeds and seats bearings at high speed, using the 75 mm adjuster to fine-tune the extend depth while the variable air cushion prevents impact damage at the 245.3 N force limit.
Package Diverter Arm
Actuates a routing gate on a packaging line; the needle cushion softens the 30-800 mm/s stroke ends, and the -S magnet confirms gate position via a DMSG sensor.
Lab Test Actuator
Drives a repetitive stress rig where the exact extend length must be dialed in for different specimens, leveraging the 147 N safe working load for delicate fixturing.
Is the Airtac MFCJ Adjustable Mini Cylinder MFCJ25X100-75S the Right Cylinder?
Weigh this 25 mm bore against the adjacent sizes to match your force needs. If 157 N @0.5 MPa from the MFCJ20 is insufficient, this bore provides 245.3 N; if your payload exceeds 300 N, step up to the MFCJ32 rated at 402.2 N. The 75 mm adjustable window is ideal for changeovers where the exact extend position must be tuned without machining spacers, and the variable cushion handles rapid 30-800 mm/s cycling.
Because the -S magnet is present, you can mount CMSG, DMSG or EMSG switches for end-of-stroke confirmation. Mounting options include LB foot, FA flange and TC trunnion (no SDB). Remember that the cushion only decelerates the piston and the adjuster sets the end position—neither acts as a lock. To hold a load vertically on air loss, install 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 MFCJ25X100-75S FAQ
This double-acting cylinder uses a 1/8" air port and a 10 mm rod. It generates 245.3 N push and 206.1 N pull at 0.5 MPa, 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 mid-stroke locking, and the variable air cushion at both ends uses a needle valve to decelerate the piston near the ends. The -S suffix means a magnet is built in for CMSG, DMSG or 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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