Airtac MSF Single Acting Mini Cylinder MSF25X80CM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X80CM is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 80mm 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
- Stroke80 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 MSF25X80CM
Delivering 192.8 N of push force at 0.5 MPa (290.9 N at 0.7 MPa), this JIS-standard round-body mini cylinder uses a SUS304 stainless barrel with riveted aluminium covers. The MSF25X80CM is a single-acting push type: compressed air extends the 10 mm rod through its 80 mm stroke, while an internal spring retracts it. Because it needs just one 1/8" air line, plumbing is simple, and the cylinder fails to the retracted position on air loss. The quoted forces are already net of the return spring.
For sizing context, the safe working load is roughly 116 N, and it can vertically lift about 9.8 kg with a 2:1 margin. This specific SKU lacks a magnet, so it cannot accept CMSG, DMSG, or EMSG sensors (order an -S variant for that). It features a CM round-end rear cover and fixed TPU bumper pads for end-of-stroke deceleration. The riveted stainless build is shorter than an ISO 6432 cylinder of the same bore and stroke, saving valuable mounting length while resisting mild washdown corrosion.
When choosing this 25 mm bore, compare it both ways: an MSF20 provides 117.5 N at 0.5 MPa, while an MSF32 offers 323.3 N. This model fits spring-return clamping, ejecting, or gating tasks where air pressure is guaranteed to stay above the 0.2 MPa floor required to overcome the spring. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion. Remember the spring is not a controllable brake; it will not hold a mid-stroke load—use a double-acting MF with an external rod lock if you need position holding.
Airtac MSF Single Acting Mini Cylinder MSF25X80CM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X80CM |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 80 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 MSF25X80CM
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×80 | 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 MSF25X80CM Is Used
Part Ejection
Pushes finished parts out of a machining fixture with 192.8 N of force, relying on the internal spring to retract the rod safely when air is removed.
Spring-Return Clamping
Holds components securely under air pressure during light assembly, automatically releasing to the retracted state if the compressed air supply drops out.
Divertor Gate
Actuates a routing gate on a packaging line, using the compact CM round-end body to fit tight spaces while providing positive push action.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X80CM the Right Cylinder?
Select the MSF25X80CM when your application requires a compact, single-acting push force between 192.8 N and 290.9 N. If your load is lighter, step down to the MSF20 (117.5 N at 0.5 MPa); if heavier, step up to the MSF32 (323.3 N). Ensure your air supply exceeds the 0.2 MPa minimum operating pressure to reliably beat the return spring. Match your mounting using LB, FA, SDB, or TC brackets, and note this non-magnet SKU cannot host position sensors.
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 MSF25X80CM FAQ
This 25 mm bore cylinder provides a push force of 192.8 N at 0.5 MPa and 290.9 N at 0.7 MPa. These figures are net of the internal spring. You must supply at least 0.2 MPa of air pressure to overcome the spring and extend the rod; maximum pressure is 1.0 MPa.
This specific SKU does not have a magnet and cannot accept CMSG, DMSG, or EMSG switches; you need the -S variant for sensing. On air loss, the spring drives the rod to the retracted position. It cannot hold a mid-stroke load—for that, use a double-acting MF with an external rod lock.
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