Airtac MSF Single Acting Mini Cylinder MSF25X100U
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X100U 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 MSF25X100U
Delivering 192.8 N of net push at 0.5 MPa, this AirTAC MSF25X100U is a JIS-standard round-body mini cylinder built for single-acting operation. Air extends the 10 mm rod through its 100 mm stroke, while an internal spring handles the retraction. Because you only plumb the 1/8" port, valve complexity drops, and the unit fails to its retracted rest state on air loss. The SUS304 stainless barrel shrinks mounting length compared to an ISO 6432 unit and resists mild washdown.
The quoted force is already net of the return spring, which dictates a 0.2 MPa pressure floor to function. With a safe working load around 116 N, it clamps about 9.8 kg vertically with a 2:1 margin. This SKU lacks the -S magnet, so it cannot host CMSG, DMSG, or EMSG switches. Deceleration relies on fixed TPU bumper pads, and the flat U back cover suits tight rear installations.
Airtac MSF Single Acting Mini Cylinder MSF25X100U Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X100U |
|---|---|
| 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 MSF25X100U
| 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 MSF25X100U Is Used
Spring-Return Clamping
Uses the 192.8 N push force to secure parts, automatically releasing them to the retracted position if air pressure drops.
Package Ejector
Pushes light cartons off a belt with a 100 mm stroke, relying on the internal spring to reset the rod without extra valving.
Flow Diverter Gate
Actuates a routing flap where the fail-safe retracted state prevents product jams during an air loss event.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X100U the Right Cylinder?
When sizing this 25 mm bore, step down to the MSF20 for 117.5 N @0.5 MPa, or up to the MSF32 for 323.3 N @0.5 MPa. This 192.8 N class fits spring-return clamping, ejecting, and gating tasks perfectly. Remember the 0.2 MPa minimum operating pressure needed to overcome the spring. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion.
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 MSF25X100U FAQ
It provides a net push force of 192.8 N at 0.5 MPa and 290.9 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 overcome the spring, with a maximum of 1.0 MPa.
No, this specific SKU does not include a magnet. You must select the -S variant to use CMSG, DMSG, or EMSG magnetic switches. The spring drives the rod to the retracted position on air loss, but it cannot hold a mid-stroke load.
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