Airtac MSF Single Acting Mini Cylinder MSF25X30SCM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X30SCM is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 30mm 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
- Stroke30 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 MSF25X30SCM
Delivering 192.8 N of push force at 0.5 MPa, this AirTAC MSF25X30SCM mini cylinder uses compressed air to extend the rod and an internal spring to retract it. Because it is single-acting, you only need to plumb one 1/8" port, simplifying your valve setup. The quoted force is already net of the return spring, meaning it cannot be loaded on the retract stroke. The built-in -S magnet enables position sensing with CMSG, DMSG, or EMSG switches.
Built with a SUS304 stainless steel barrel and riveted aluminium covers, this JIS-standard round-body unit resists mild corrosion and washdown environments. It is notably shorter than an ISO 6432 cylinder of the same bore and stroke, saving valuable mounting length. For practical sizing, expect a safe working load of about 116 N, or a vertical lift capacity of roughly 9.8 kg with a 2:1 safety margin. The CM round-end back cover provides flexible rear mounting options.
Airtac MSF Single Acting Mini Cylinder MSF25X30SCM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X30SCM |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 30 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 MSF25X30SCM
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×30 | 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 MSF25X30SCM Is Used
Spring-Return Clamping
Provides 116 N of safe clamping force at 0.5 MPa, automatically releasing the part if air pressure drops below the 0.2 MPa floor.
Package Ejector
Uses the 192.8 N push stroke to knock light goods off a line, relying on the internal spring to retract the 10 mm rod quickly between cycles.
Diversion Gate
Actuates a lightweight routing flap on a conveyor, saving mounting space due to the compact JIS round-body design and CM rear cover.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X30SCM the Right Cylinder?
When sizing this 25 mm bore, evaluate your force needs against the 192.8 N available at 0.5 MPa. If your application requires less push, step down to the MSF20 which provides 117.5 N at 0.5 MPa; if you need more power, the MSF32 offers 323.3 N at 0.5 MPa. Remember the 0.2 MPa minimum operating pressure floor—below this, the internal spring overcomes the air pressure and forces the rod back to rest. This spring-return action makes it ideal for clamping, ejecting, or gating tasks where the cylinder must fail safely to the retracted position on air loss. Pair it with LB foot, FA flange, or TC trunnion mounts to suit your frame.
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 MSF25X30SCM FAQ
The push force is 192.8 N at 0.5 MPa and 290.9 N at 0.7 MPa. These figures are net of the return spring. The operating pressure range is 0.2 to 1.0 MPa, and you must maintain at least 0.2 MPa to overcome the spring and extend the rod.
No, the spring constantly drives the rod to the retracted rest position, so it cannot hold a mid-stroke load. To hold a load mid-stroke, use a double-acting MF cylinder with an external rod lock. This MSF25X30SCM includes a -S magnet for CMSG/DMSG/EMSG sensors and uses fixed TPU bumper pads for end-of-stroke deceleration.
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