Airtac MFCJ Adjustable Mini Cylinder MFCJ20X100-20
The AirTAC Airtac MFCJ Adjustable Mini Cylinder MFCJ20X100-20 is a genuine double acting, adjustable stroke + cushion JIS-standard round-body mini air cylinder with a Ø20mm 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.
- BoreØ20 mm
- Stroke100 mm
- Port size1/8"
- Acting typeDouble acting, adjustable stroke + cushion
- Rod threadM8×1.25
- 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 MFCJ20X100-20
Trim the extend stroke by up to 20 mm on site with the external adjuster, while the needle variable air cushion at both ends soaks up high-speed shock. This double-acting JIS-standard round-body mini cylinder features a SUS304 stainless barrel and riveted aluminium covers, delivering a push force of 157 N at 0.5 MPa through its 1/8" port.
The compact riveted body is shorter than an ISO 6432 cylinder for the same 20 mm bore and 100 mm stroke, saving valuable mounting length while resisting mild washdown corrosion. With a theoretical maximum of 32 kgf at 1.0 MPa, it yields a safe working load of roughly 94 N, lifting about 8 kg vertically with a 2:1 margin. Note this SKU lacks the -S magnet, so it cannot accept position sensors.
Airtac MFCJ Adjustable Mini Cylinder MFCJ20X100-20 Technical Specifications
| Model | Airtac MFCJ Adjustable Mini Cylinder MFCJ20X100-20 |
|---|---|
| Series | MFCJ JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 100 mm |
| Acting type | Double acting, adjustable stroke + cushion |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | 185 N |
| Max (@1.0 MPa) | 32 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 MFCJ20X100-20
| MFCJ | JIS-standard round-body mini cylinder (adjustable-stroke, variable cushion). |
|---|---|
| 20 | 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 MFCJ20X100-20 Is Used
High-Speed Pick & Place
Tune the 80-100 mm extend reach on the fly and set the needle cushion to halt the 157 N push force smoothly for delicate electronic component placement.
Light Transfer Diverter
Adjust the stroke window during format changeovers to deflect small packages, relying on the air cushion to absorb rapid repetitive shocks.
Lab Test Actuator
Dial in the exact extend stop for a 100 mm test probe travel, letting the SUS304 stainless barrel withstand mildly humid laboratory environments.
Is the Airtac MFCJ Adjustable Mini Cylinder MFCJ20X100-20 the Right Cylinder?
When sizing, compare this 20 mm bore offering against the MFCJ25, which steps up to 245.3 N of push force at 0.5 MPa. Choose the adjustable stroke and variable air cushion combination for high-speed changeovers or shock-sensitive trial fits where both the end position and deceleration need on-site tuning. Mount via LB foot, FA flange, or TC trunnion (no SDB). Because the cushion only decelerates and the adjuster sets the end position, the piston will drift on air loss; specify an external rod lock or pilot check valve to hold a load.
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 MFCJ20X100-20 FAQ
This 20 mm bore cylinder has a 1/8" port and an Ø8 mm rod. It generates 157 N push and 131.9 N pull at 0.5 MPa, 219.8 N push and 184.7 N pull at 0.7 MPa, with a theoretical max of 32 kgf at 1.0 MPa.
No, this specific SKU lacks the -S magnet option, so it cannot accept CMSG, DMSG, or EMSG switches. You can still externally adjust the extend stroke by up to 20 mm and tune the variable air cushion at both ends.
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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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