Airtac MSF Single Acting Mini Cylinder MSF25X100SCM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X100SCM is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 100mm 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.
- BoreØ25 mm
- Stroke100 mm
- Port size1/8"
- Acting typeSingle acting, push (spring return)
- Rod threadM10×1.25
- CushionFixed TPU bumper pads
About the Airtac MSF Single Acting Mini Cylinder MSF25X100SCM
Delivering 192.8 N of push force at 0.5 MPa, this AirTAC MSF25X100SCM mini cylinder uses compressed air to extend the rod and an internal spring to retract it. Because it is single-acting, you only pipe and valve one 1/8" port, which simplifies automation. The quoted force is already net of the return spring, yielding a safe working load of about 116 N or a 9.8 kg vertical lift with a 2:1 margin.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, it occupies a shorter mounting envelope than an ISO 6432 cylinder of the same bore and stroke. The CM round-end back cover and fixed TPU bumper pads handle end-of-stroke impact. This unit includes the -S magnet for position sensing and resists mild washdown environments.
Airtac MSF Single Acting Mini Cylinder MSF25X100SCM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X100SCM |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 100 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 (Ø25mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 192.8 N |
| 0.7 MPa | 290.9 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 MSF25X100SCM
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×100 | 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 MSF25X100SCM Is Used
Part Ejection
Uses the 192.8 N push stroke to positively eject machined parts from a fixture, returning automatically when air is cut.
Spring-Return Clamping
Holds workpieces securely during processing, relying on the single-acting design to fail safe to the retracted position.
Flow Gate Actuation
Actuates a 100 mm diverter gate on a conveyor line, benefiting from the shorter JIS body length to save space.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X100SCM the Right Cylinder?
When sizing this 25 mm bore, compare it both ways: an MSF20 provides 117.5 N @0.5 MPa if your load is lighter, while an MSF32 offers 323.3 N @0.5 MPa for heavier ejection. The MSF25X100SCM fits spring-return clamping or gating duties perfectly, but remember the 0.2 MPa pressure floor—below that, the spring wins and the rod will not extend. You must maintain at least 0.2 MPa operating pressure.
This configuration includes the -S magnet for CMSG, DMSG or EMSG switches, and the CM round-end rear cover. For mounting, pair it with LB foot, FA flange, SDB pivot, or TC trunnion brackets. Note that on air loss the spring drives the rod to the retracted rest position; it will not hold a mid-stroke load.
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 MSF25X100SCM FAQ
The single-acting push force is 192.8 N at 0.5 MPa and 290.9 N at 0.7 MPa, already net of the return spring. You must supply at least 0.2 MPa to overcome the spring and extend the rod.
No. On air loss the internal spring drives the rod to the retracted position; it cannot hold an arbitrary mid-stroke load. Use a double-acting MF cylinder with an external rod lock if you need mid-stroke holding. This -S model supports CMSG, DMSG and EMSG sensors.
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