Airtac MSF Single Acting Mini Cylinder MSF25X15SCM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X15SCM 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 MSF25X15SCM
Delivering 192.8 N of push force at 0.5 MPa, this AirTAC 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 a single 1/8" port, which simplifies pneumatics and ensures the rod fails to the retracted position on air loss. The SUS304 stainless round-body and riveted aluminium covers yield a shorter mounting envelope than an ISO 6432 unit of the same 25 mm bore and 15 mm stroke.
The quoted output is already net of the return spring, meaning you get the full 290.9 N at 0.7 MPa without subtracting spring drag. For practical sizing, expect a safe working load of about 116 N or a vertical lift capacity near 9.8 kg with a 2:1 margin. The built-in magnet (-S) supports CMSG, DMSG, and EMSG switches, while the CM round-end rear cover suits tight spatial restrictions.
Airtac MSF Single Acting Mini Cylinder MSF25X15SCM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X15SCM |
|---|---|
| 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 MSF25X15SCM
| 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 MSF25X15SCM Is Used
Short-Stroke Clamping
Uses the 192.8 N push force to secure light workpieces against a fixture, with the spring safely retracting the 10 mm rod when air is removed.
Package Ejector
Ideal for pushing small cartons off a belt, relying on a single 1/8" air line to extend and the internal spring to reset the 15 mm stroke.
Divert Gate Actuation
Actuates sorting flaps where the compact JIS body length saves space and the SUS304 barrel withstands mildly humid warehouse environments.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X15SCM the Right Cylinder?
When sizing this 25 mm bore, compare it directly against the MSF20, which provides 117.5 N at 0.5 MPa, or step up to the MSF32, which yields 323.3 N at 0.5 MPa for heavier ejection duties. You must supply at least 0.2 MPa of air pressure to overcome the internal spring before any useful extension occurs. Choose this single-acting configuration for clamping, gating, or ejecting tasks where the spring return eliminates the need for a second air line.
Mounting flexibility is extensive, with LB foot, FA flange, SDB pivot, and TC trunnion options available. The -S magnet enables position sensing, and the fixed TPU bumper pads absorb impact across the 50-800 mm/s speed range without requiring manual adjustment.
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 MSF25X15SCM FAQ
It generates 192.8 N of push force at 0.5 MPa and 290.9 N at 0.7 MPa. Because it is single-acting with a spring return, the pressure floor is 0.2 MPa; below that, the spring wins and the rod will not extend. The 1/8" port supplies air only to the extend chamber.
No, the internal spring drives the rod to the retracted rest position on air loss, so it cannot hold an arbitrary mid-stroke load. For held mid-stroke positioning, use a double-acting MF cylinder with an external rod lock. The -S magnet on this unit allows CMSG or DMSG sensors to confirm end positions.
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