Airtac MSF Single Acting Mini Cylinder MSF25X15SCA
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X15SCA is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø25mm bore and 15mm 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
- Stroke15 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 MSF25X15SCA
Delivering 192.8 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. The MSF25X15SCA is a single-acting push type: compressed air entering the 1/8" port extends the Ø10 mm rod, while an internal spring retracts it when air is released. Because you only pipe one port, plumbing is simplified and the cylinder fails to the retracted position on air loss.
The quoted push force is already net of the return spring, which requires a 0.2 MPa operating floor to overcome. For this 25 mm bore, that translates to a safe working load of roughly 116 N, or a vertical lift capacity of about 9.8 kg with a 2:1 safety margin. The 15 mm stroke is cushioned by fixed TPU bumper pads, and the built-in -S magnet enables CMSG, DMSG, or EMSG position sensing.
Airtac MSF Single Acting Mini Cylinder MSF25X15SCA Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X15SCA |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø25 mm |
| Stroke | 15 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 MSF25X15SCA
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 25 | Bore size in mm. |
| ×15 | 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 MSF25X15SCA Is Used
Short-Stroke Clamping
Uses the 192.8 N push force to secure light workpieces, relying on the spring to release the clamp automatically when air is cut.
Part Ejector
Extends 15 mm to knock finished components off a conveyor line, retracting safely to rest during the next machine cycle.
Pivot Gate Actuation
Pairs with the CA pivot cover to swing a lightweight diverter gate open, letting the internal spring close it on air loss.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X15SCA the Right Cylinder?
When sizing this 192.8 N (at 0.5 MPa) unit, step down to the MSF20 for 117.5 N or up to the MSF32 for 323.3 N if your load demands it. Single-acting spring-return cylinders excel in short-stroke clamping, ejecting, and gating tasks where the load cannot be pulled back against the spring. You must maintain at least 0.2 MPa to beat the return spring, with a maximum of 1.0 MPa.
This specific configuration includes a CA rear pivot cover and the -S magnet option for electronic or reed switches. Mounting options across the series include LB foot, FA flange, SDB pivot, and TC trunnion styles 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 MSF25X15SCA FAQ
The single-acting 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. Operating pressure must be between 0.2 and 1.0 MPa, as 0.2 MPa is the minimum required to overcome the spring.
No. On air loss the internal spring drives the rod to the fully retracted position; it cannot hold an arbitrary mid-stroke load. For mid-stroke holding, use a double-acting MF cylinder with an external rod lock. This -S model supports CMSG, DMSG, and EMSG sensors.
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