Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X800SCA
The AirTAC Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X800SCA is a genuine double acting + cushion JIS-standard round-body mini air cylinder with a Ø40mm bore and 800mm stroke, 1/4" 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.
- BoreØ40 mm
- Stroke800 mm
- Port size1/4"
- Acting typeDouble acting + cushion
- Rod threadM14×1.5
- CushionVariable air cushion, both ends
About the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X800SCA
Delivering 628.3 N of push force at 0.5 MPa, this double-acting 40 mm bore round-body mini cylinder handles heavy loads over an 800 mm stroke. Because 800 mm exceeds the 500 mm standard limit, this variant is manufactured as a made-to-order unit. The SUS304 stainless steel barrel and riveted aluminium covers resist mild corrosion and washdown environments.
A built-in piston magnet (the -S suffix) enables direct mounting of CMSG, DMSG or EMSG switches for position sensing. The variable air cushion at both ends lets you dial in a needle valve to absorb end-of-stroke shock at high speeds, protecting your mechanism. For the same bore and stroke, the JIS-standard MFC body is shorter than an ISO 6432 cylinder, saving valuable mounting length. It features a 1/4" port and an M14x1.5 male rod thread.
Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X800SCA Technical Specifications
| Model | Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X800SCA |
|---|---|
| Series | MFC JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 800 mm |
| Acting type | Double acting + cushion |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | 739 N |
| Max (@1.0 MPa) | 128 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 MFC40X800SCA
| MFC | JIS-standard round-body mini cylinder (double-acting, variable cushion). |
|---|---|
| 40 | Bore size in mm. |
| ×800 | 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 MFC40X800SCA Is Used
Long-Stroke Diverting
Pushes heavy pallets across a wide transfer bed using the full 800 mm travel, with the variable cushion absorbing the momentum of the 628.3 N push force at high speed.
Vertical Material Lift
Raises goods in a storage buffer; the 40 mm bore lifts about 32 kg vertically with a 2:1 safety margin, while the CA pivot mount handles the side loading.
Large Carton Forming
Actuates heavy folding mechanisms on a washdown packaging line, relying on the SUS304 stainless barrel to resist moisture while the cushion softens the stroke end.
Is the Airtac MFC Cushioned Stainless Steel Mini Cylinder MFC40X800SCA the Right Cylinder?
At the top of the MFC range, there is no larger bore available, so if 628.3 N at 0.5 MPa is insufficient you must switch series entirely. Sizing down, the MFC32 provides 402.2 N at 0.5 MPa, offering a lighter alternative if your load permits. The adjustable air cushion is essential here: moving a heavy load over an 800 mm distance builds significant momentum, and the needle-set deceleration prevents harsh impacts at stroke end.
This model includes a CA rear pivot cover for clevis mounting. Note that the air cushion only decelerates the piston near the end of travel; it does not function as a brake. If your application must hold a vertical load when air pressure drops or the valve is centred, the piston will drift, so you must fit an external rod lock or 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 MFC40X800SCA FAQ
This 40 mm bore cylinder features a 1/4" port and an M14x1.5 male rod thread. It generates 628.3 N push and 527.8 N pull at 0.5 MPa, increasing to 879.6 N push and 738.9 N pull at 0.7 MPa. The theoretical maximum force is 128.1 kgf at 1.0 MPa. Note that the 800 mm stroke exceeds the 500 mm standard maximum, making it a non-standard, made-to-order item.
No, the variable air cushion only decelerates the piston near the end of the stroke to reduce shock; it is not a lock or brake. If air pressure drops or the valve is centred, the piston will drift. To hold a load securely, you must install an external rod lock or a pilot-operated check valve. The -S magnet allows CMSG, DMSG and EMSG sensors to confirm position.
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