Airtac MSF Single Acting Mini Cylinder MSF20X15SCM
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF20X15SCM is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø20mm 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.
- BoreØ20 mm
- Stroke15 mm
- Port size1/8"
- Acting typeSingle acting, push (spring return)
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MSF Single Acting Mini Cylinder MSF20X15SCM
Generating 117.5 N of push force at 0.5 MPa (181.3 N at 0.7 MPa), this 20 mm bore mini cylinder uses compressed air to extend the rod and an internal spring to retract it. Because it is single-acting, you only plumb one 1/8" port, simplifying valve requirements. The MSF series features a JIS-standard round body with a SUS304 stainless steel barrel and riveted aluminium covers, offering a shorter mounting envelope than an ISO 6432 unit of the same size.
The quoted force is already net of the return spring, meaning it cannot be loaded on the retract stroke. Factoring a 2:1 safety margin, this model safely lifts or clamps about 6 kg vertically. This specific SKU includes a built-in piston magnet (-S) for position sensing and a CM round-end rear cover. It relies on fixed TPU bumper pads for end-of-stroke deceleration across its 50-800 mm/s speed range.
Airtac MSF Single Acting Mini Cylinder MSF20X15SCM Technical Specifications
| Model | Airtac MSF Single Acting Mini Cylinder MSF20X15SCM |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 15 mm |
| Acting type | Single acting, push (spring return) |
| Port size | 1/8" |
| Rod thread | M8×1.25 |
| 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 (Ø20mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 117.5 N |
| 0.7 MPa | 181.3 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 MSF20X15SCM
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 20 | 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 MSF20X15SCM Is Used
Short-Stroke Clamping
Applies 117.5 N of push force at 0.5 MPa to hold light workpieces securely in a fixture during machining.
Part Ejection
Uses the 15 mm stroke to knock small components off a conveyor line, with the spring safely retracting the rod on air loss.
Vertical Lift Gate
Raises a lightweight 6 kg diverter flap with air pressure, relying on the spring to close the gate when de-energized.
Is the Airtac MSF Single Acting Mini Cylinder MSF20X15SCM the Right Cylinder?
Choose this 20 mm bore if your task requires roughly 71 N of safe working load (60% of the 0.5 MPa rating). If your application needs more force, step up to the MSF25, which provides 192.8 N at 0.5 MPa; there is no smaller MSF bore. Ensure your supply stays at or above the 0.2 MPa floor, otherwise the internal spring will overpower the air and prevent extension. The -S magnet allows seamless integration with CMSG, DMSG, or EMSG switches, while the CM back cover and standard mounting accessories handle installation.
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 MSF20X15SCM FAQ
It delivers a net push force of 117.5 N at 0.5 MPa and 181.3 N at 0.7 MPa. The operating pressure range is 0.2 to 1.0 MPa; you must maintain at least 0.2 MPa to overcome the return spring.
No. On air loss, the internal spring drives the rod to the retracted position. It cannot hold an arbitrary mid-stroke load. For held positioning, use a double-acting MF cylinder with an external rod lock. This -S model supports CMSG, DMSG, and EMSG sensors.
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