
The AirTAC Airtac MF32-40 Stainless Steel Mini Cylinder MF32X55SCA is a genuine double acting JIS-standard round-body mini air cylinder with a Ø32mm bore and 55mm 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.
Delivering 402.2 N of push force at 0.5 MPa, this double-acting 32 mm bore mini cylinder handles substantial work in a compact footprint. Because the JIS-standard riveted SUS304 stainless body is physically shorter than a comparable ISO 6432 unit, it saves valuable mounting length in tight machinery. The rolling-packed aluminium covers and two-way oil-retaining piston seal ensure reliable operation even in mild washdown environments.
The integrated piston magnet allows direct mounting of CMSG, DMSG, or EMSG sensors for position feedback, while the CA rear pivot simplifies angular mounting. Fixed TPU bumper pads soften end-of-stroke impact without the tuning hassle of an adjustable cushion. For practical actuation at 0.5 MPa, plan for a safe working load of roughly 241 N, which means it can comfortably lift a 20.5 kg part vertically with a 2:1 safety margin.
| Model | Airtac MF32-40 Stainless Steel Mini Cylinder MF32X55SCA |
|---|---|
| Series | MF JIS mini cylinder |
| Bore size | Ø32 mm |
| Stroke | 55 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| 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 | 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.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | 484 N |
| Max (@1.0 MPa) | 82 kgf | |
Actual usable force is lower than theoretical due to friction and back-pressure. Size with a safety margin.
| MF | JIS-standard round-body mini cylinder (double-acting). |
|---|---|
| 32 | Bore size in mm. |
| ×55 | 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.
Provides 402.2 N of secure clamping force at 0.5 MPa to hold medium aluminium housings during machining, using the CA pivot to accommodate slight misalignment.
Swings a diverter gate on a packaging line with a fast 55 mm stroke, relying on the SUS304 stainless barrel to resist humid washdown environments.
Raises 20 kg component trays between conveyor tiers, safely operating within the cylinder's 2:1 vertical lift margin using position feedback from a DMSG sensor.
This 32 mm bore strikes a balance between the lighter MF25 (245.3 N push at 0.5 MPa) and the heavier MF40 (628.3 N push at 0.5 MPa), making it ideal for medium-force clamping and lifting. The 55 mm stroke keeps the rod short and rigid, minimizing side-load bending risks. It features a 1/4" port and an M10x1.25 male rod thread.
Note that the fixed TPU bumpers only decelerate the stroke end; they do not function as a brake. If air pressure drops or the valve is centered, the piston will drift and cannot hold a suspended load. To maintain vertical position, install an external pilot-operated check valve or a dedicated rod lock.
Quick checklist
This 32 mm bore double-acting cylinder features a 1/4" air port and an M10x1.25 male rod thread. It generates 402.2 N push and 345.6 N pull at 0.5 MPa, increasing to 563 N push and 483.8 N pull at 0.7 MPa. The theoretical maximum force is 82 kgf at 1.0 MPa.
The JIS round-body design is physically shorter than an ISO 6432 cylinder of the same bore and stroke, saving mounting space. The included CA rear pivot allows the cylinder to swing freely during articulation. Because this SKU includes the -S magnet, you can attach CMSG, DMSG, or EMSG switches directly for end-of-stroke detection.
Genuine AirTAC parts produced by AirTAC factory.
Covers non-human-caused product damage.
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