Airtac MSF Single Acting Mini Cylinder MSF40X75SCA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF40X75SCA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø40mm bore and 75mm 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
- Stroke75 mm
- Port size1/4"
- Acting typeSingle acting, push (spring return)
- Rod threadM14×1.5
- CushionFixed TPU bumper pads
About the Airtac MSF Single Acting Mini Cylinder MSF40X75SCA
Delivering 535.3 N of push force at 0.5 MPa, this JIS-standard round-body mini cylinder uses a SUS304 stainless barrel and riveted aluminium covers to resist mild washdown environments. As a single-acting push type, air extends the Ø16 mm rod through the 1/4" port, while an internal spring retracts it, meaning you only plumb one air line. It is shorter than an ISO 6432 cylinder for the same bore and stroke, saving valuable mounting length.
The quoted force is already net of the return spring, which provides a safe working load of roughly 321 N. Because the spring drives the rod to the retracted rest position on air loss, it cannot hold a mid-stroke load. The -S suffix equips the piston with a magnet for CMSG, DMSG, or EMSG switches, and the CA back cover provides a rear pivot point.
Airtac MSF Single Acting Mini Cylinder MSF40X75SCA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF40X75SCA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø40 mm |
| Stroke | 75 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/4" |
| Rod thread | M14×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.2 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 50 – 800 mm/s |
| Cushion | Fixed TPU bumper pads |
| Max standard stroke | Up to 150 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 (spring return) |
|---|---|
| 0.5 MPa | 535.3 N |
| 0.7 MPa | 786.5 N |
Single-acting push: air extends the rod; the return spring retracts it. Forces already net the spring; minimum working pressure is 0.2 MPa.
Model Code: Airtac MSF Single Acting Mini Cylinder MSF40X75SCA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 40 | Bore size in mm. |
| ×75 | 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 MSF Single Acting Mini Cylinder MSF40X75SCA Is Used
Heavy Part Ejection
Thrusts completed metal components out of a machining fixture with 535.3 N of push force, relying on the spring to retract safely during loading.
Package Gating
Actuates a heavy diverter gate on a conveyor line, using the CA pivot to absorb side loads while compressed air extends the barrier.
Secure Clamping
Holds workpieces weighing up to roughly 27.3 kg against a stop during assembly, returning to a safe open position if air pressure drops.
Is the Airtac MSF Single Acting Mini Cylinder MSF40X75SCA the Right Cylinder?
When sizing this 40 mm bore, compare its 535.3 N @0.5 MPa output against the next size down: the MSF32 delivers 323.3 N @0.5 MPa, making this model the correct choice when the smaller bore falls short. As 40 mm is the largest available MSF bore, exceeding this capacity requires a different cylinder family. Maintain at least a 0.2 MPa operating pressure to overcome the return spring.
Select this single-acting configuration for clamping, ejecting, or gating tasks that benefit from a fail-safe retracted state. Pair it with LB foot, FA flange, or TC trunnion mounts as needed, and utilize the built-in magnet for position sensing.
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 0.2 – 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 MSF Single Acting Mini Cylinder MSF40X75SCA FAQ
It generates 535.3 N of push force at 0.5 MPa and 786.5 N at 0.7 MPa. Because it is single-acting with a spring return, it requires a minimum operating pressure of 0.2 MPa to extend the rod.
No. On air loss, the internal spring drives the rod to the retracted position, so it cannot hold a mid-stroke load. For held mid-stroke positioning, use a double-acting MF cylinder with an external rod lock.
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