Airtac MSF Single Acting Mini Cylinder MSF25X100CM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF25X100CM 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 MSF25X100CM
Delivering 192.8 N of push force at 0.5 MPa, this AirTAC MSF25X100CM 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 the 1/8 inch port, which simplifies automation. The quoted force is already net of the return spring, and the 100 mm stroke is governed by fixed TPU bumper pads rather than an adjustable cushion.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, it offers a shorter mounting envelope than an ISO 6432 cylinder for the same bore and stroke. The CM round-end rear cover suits pivot-style mounting. For practical sizing, a safe working load is roughly 116 N, meaning it can clamp or vertically lift about 9.8 kg with a 2:1 margin. Note this SKU lacks a magnet, so it cannot accept CMSG, DMSG or EMSG sensors.
Airtac MSF Single Acting Mini Cylinder MSF25X100CM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF25X100CM |
|---|---|
| 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 MSF25X100CM
| 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 MSF25X100CM Is Used
Spring-Return Clamping
Provides 192.8 N of push force at 0.5 MPa to hold parts, automatically retracting when air pressure drops below the 0.2 MPa floor.
Package Ejector
Uses the 100 mm stroke to push items off a belt, relying on the internal spring to reset the rod without needing a second air line.
Diverter Gate
Actuates routing gates with a safe working load of roughly 116 N, benefiting from the compact JIS body length to save machine space.
Is the Airtac MSF Single Acting Mini Cylinder MSF25X100CM the Right Cylinder?
When sizing this 25 mm bore, compare it both ways: an MSF20 provides 117.5 N at 0.5 MPa if your load is lighter, while stepping up to an MSF32 yields 323.3 N for heavier ejection. This MSF25X100CM fits applications where a spring-return action is desired for clamping or gating, provided the air supply stays at or above the 0.2 MPa floor needed to overcome the spring. Pair the CM rear cover with appropriate pivot mounts, and select the -S magnet variant if position sensing is required.
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 MSF25X100CM FAQ
The single-acting push force is 192.8 N at 0.5 MPa and 290.9 N at 0.7 MPa, measured net of the internal spring. Operating pressure must range from 0.2 to 1.0 MPa, as a minimum of 0.2 MPa is required to overcome the return spring.
No. On air loss, the spring drives the rod to the retracted position; it cannot hold an arbitrary mid-stroke load, so use a double-acting MF with an external rod lock for that. Additionally, this specific SKU has no magnet and cannot take CMSG, DMSG or EMSG sensors.
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