Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø20mm bore and 80mm 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
- Stroke80 mm
- Port size1/8"
- Acting typeDouble acting + 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 MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM
Delivering 157 N of push force at 0.5 MPa, this double-acting 20 mm bore mini cylinder uses a needle-set variable air cushion at both ends to absorb high-speed end-of-stroke shock. The riveted SUS304 stainless barrel and aluminium covers resist mild corrosion and washdown environments. Because this specific SKU lacks the -S magnet, it cannot accept CMSG, DMSG or EMSG position switches.
For the same 20 mm bore and 80 mm stroke, the JIS-standard round body is physically shorter than an ISO 6432 cylinder, saving valuable mounting length. It features a 1/8" port, an 8 mm rod with an M8x1.25 male thread, and a CM round-end rear cover. The cushion decelerates the load near the stroke end but does not function as a lock; expect a safe working load of about 94 N, or roughly 8 kg of vertical lift with a 2:1 margin.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM Technical Specifications
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 80 mm |
| Acting type | Double acting + 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 MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 20 | Bore size in mm. |
| ×80 | 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 MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM Is Used
Light Package Diverting
Uses the 80 mm stroke to push small parcels off a high-speed belt. The adjustable air cushion halts the 8 mm rod smoothly, preventing bounce-back.
Small Component Pressing
Applies up to 94 N of safe working force to seat delicate electronic parts. The CM round-end cover allows compact rear pivoting on the jig.
Film Feed Tensioning
Drives a lightweight guide arm in a packaging machine. The SUS304 barrel withstands routine washdown without corroding.
Is the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM the Right Cylinder?
If 94 N of safe working load is insufficient, step up to the MFC25, which provides 245.3 N of push force at 0.5 MPa; there is no smaller MFC bore below 20 mm. The variable air cushion is essential when cycling at high speeds or moving sensitive masses that would be damaged by a hard impact. To mount this unit, choose from LB foot, FA flange, SDB pivot, or TC trunnion brackets.
Because this configuration has no -S magnet, you cannot install magnetic sensors for end-of-stroke detection. Furthermore, the cylinder will drift if air pressure drops or the valve is centred. To suspend a load safely mid-stroke, install an external rod lock or a pilot-operated 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 MFC Cushioned Stainless Steel Mini Cylinder MFC20X80CM FAQ
At 0.5 MPa it provides 157 N push and 131.9 N pull. At 0.7 MPa it provides 219.8 N push and 184.7 N pull. The theoretical maximum force is 32 kgf at 1.0 MPa. This 20 mm bore cylinder uses a 1/8" port and operates at speeds from 30 to 800 mm/s.
No. This specific SKU does not include the -S magnet, so it cannot accept CMSG, DMSG or EMSG switches. You would need the -S variant for sensing. The variable air cushion at both ends only decelerates the piston near the stroke end; it is not a brake and will not hold the load if air pressure is lost.
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