Airtac MF32-40 Stainless Steel Mini Cylinder MF40X550SCA
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF40X550SCA is a genuine double acting JIS-standard round-body mini air cylinder with a Ø40mm bore and 550mm 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
- Stroke550 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
- 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 MF32-40 Stainless Steel Mini Cylinder MF40X550SCA
Generating a robust 628.3 N of push force at 0.5 MPa, this double-acting JIS-standard round-body mini cylinder handles heavy-duty positioning. Its SUS304 stainless steel barrel and riveted aluminium covers resist mild corrosion and washdown environments, while the two-way piston seal retains an oil film for extended mechanical life. Because the MF body is shorter than an ISO 6432 cylinder for the same bore and stroke, it saves valuable mounting length in tight machinery.
This specific 550 mm configuration is a non-standard, made-to-order stroke that exceeds the 500 mm standard maximum, making the nonstandard_stroke flag true. It features a built-in piston magnet for CMSG, DMSG, or EMSG switches, and a CA pivot back cover. Fixed TPU bumper pads and a front-cover anti-impact pad soften the stroke-end impact. For practical sizing, plan for about 377 N of real work at 0.5 MPa, which safely lifts roughly 32 kg vertically with a 2:1 margin.
Airtac MF32-40 Stainless Steel Mini Cylinder MF40X550SCA Technical Specifications
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF40X550SCA |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 550 mm |
| Acting type | Double acting |
| 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 | Fixed TPU bumper pads |
| 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 MF32-40 Stainless Steel Mini Cylinder MF40X550SCA
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 40 | Bore size in mm. |
| ×550 | 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 MF32-40 Stainless Steel Mini Cylinder MF40X550SCA Is Used
Large Gate Diversion
Actuates heavy diverter gates in bulk material handling lines, utilizing the 628.3 N push force at 0.5 MPa to swing thick steel plates loaded with aggregate.
Vertical Pallet Pressing
Pushes empty pallets down into stacking frames, safely handling weights up to 32 kg with a 2:1 vertical lift margin using the CA pivot mount.
Extended Transfer Rejection
Extends 550 mm across a wide conveyor belt to push heavy rejected automotive castings into a side bin, benefiting from the compact JIS body length.
Is the Airtac MF32-40 Stainless Steel Mini Cylinder MF40X550SCA the Right Cylinder?
When sizing this 40 mm bore unit, step down to an MF32 if your task requires only 402.2 N of push force at 0.5 MPa, as no larger MF bore exists above 40 mm. The 1/4" port and M14x1.5 male rod thread are fixed for this bore size. Because this unit carries the -S suffix, it is fully ready for CMSG, DMSG, or EMSG sensor integration. The CA rear pivot cover allows articulated mounting.
At 550 mm, this made-to-order stroke demands careful attention to side loading and rod bending, so ensure rigid guidance for the payload. Remember that a standard cylinder drifts if air pressure drops or the valve is centred; the TPU bumpers only decelerate the stroke end and do not act as a brake. To suspend a load securely during an air loss event, 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 MF32-40 Stainless Steel Mini Cylinder MF40X550SCA FAQ
This 40 mm bore cylinder features a 1/4" port and an M14x1.5 male rod thread. The double-acting thrust outputs are 628.3 N push and 527.8 N pull at 0.5 MPa, 879.6 N push and 738.9 N pull at 0.7 MPa, with a theoretical maximum force of 128.1 kgf at 1.0 MPa.
The CA back cover provides a pivot mount for articulated rod-end loads. It uses fixed TPU bumper pads to decelerate the stroke end rather than an adjustable air cushion. Built to JIS standards, the SUS304 stainless round body is physically shorter than an ISO 6432 cylinder for the same 40 mm bore and 550 mm stroke, saving mounting space.
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Genuine AirTAC parts produced by AirTAC factory.
1-Year Warranty
Covers non-human-caused product damage.
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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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