
The AirTAC Airtac MSF Single Acting Mini Cylinder MSF20X60CM is a genuine single acting, push (spring return) JIS-standard round-body mini air cylinder with a Ø20mm bore and 60mm 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.
Generating 117.5 N of push at 0.5 MPa, this MSF20X60CM 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 inch port, which simplifies valve requirements and ensures the rod fails to the retracted position on air loss. The quoted force is already net of the return spring.
Built as a JIS-standard round-body unit with a SUS304 stainless barrel and riveted aluminium covers, it occupies a shorter envelope than an ISO 6432 cylinder for the same 20 mm bore and 60 mm stroke. This specific configuration uses a CM round-end rear cover. For practical sizing, expect a safe working load of roughly 71 N, or a vertical lift capacity of about 6 kg with a 2:1 margin.
| Model | Airtac MSF Single Acting Mini Cylinder MSF20X60CM |
|---|---|
| Series | MSF JIS mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 60 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.
| 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.
| MSF | JIS-standard round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 20 | Bore size in mm. |
| ×60 | 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.
Use the 117.5 N push stroke to eject light machined parts from a fixture, relying on the spring to reset the rod automatically.
Secure thin workpieces with a safe working load of 71 N, knowing the clamp retracts safely if compressed air is lost.
Actuate a lightweight diverter gate on a conveyor; the single 1/8 inch port keeps the pneumatic plumbing minimal.
When sizing this 20 mm bore, step up to the MSF25 if you need more force (192.8 N at 0.5 MPa), as no smaller MSF bore exists. Single-acting push operation is ideal for simple clamping, ejecting, or gating tasks where the spring return handles the unpowered stroke. Maintain at least 0.2 MPa of supply pressure to overcome the internal spring. Mounting options include LB foot, FA flange, SDB pivot, and TC trunnion brackets. Note that this specific SKU lacks the -S magnet, so it cannot accept CMSG, DMSG, or EMSG position sensors.
Quick checklist
It delivers a net push force of 117.5 N at 0.5 MPa and 181.3 N at 0.7 MPa. Because it is single-acting with a spring return, you must supply at least 0.2 MPa to overcome the internal spring and extend the rod.
No, this specific SKU does not include a magnet. To use CMSG, DMSG, or EMSG magnetic switches, you must select the -S variant of the MSF series. Additionally, the fixed TPU bumper pads provide end-of-stroke deceleration, and the SUS304 stainless barrel offers mild washdown resistance.
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