Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA
The AirTAC Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA is a genuine single acting, push (spring return) round-body mini air cylinder with a Ø20mm bore and 50mm stroke, 1/8" air ports and a stainless-steel barrel and rod for mildly corrosive environments. Its ISO 6432 mounting interface makes it a compact drop-in for standard mini-cylinder fixtures.
- BoreØ20 mm
- Stroke50 mm
- Port size1/8"
- Acting typeSingle acting, push (spring return)
- Rod threadM8×1.25
- CushionFixed TPU bumper pads
About the Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA
Delivering a net push force of 119.5 N at 0.5 MPa, this stainless-steel round-body mini cylinder uses compressed air to extend the rod and an internal spring to retract it. Because it is a single-acting PUSH type, you only need one 1/8" air line, saving plumbing and air consumption while ensuring the rod fails safe to the retracted position on air loss. The Ø20 mm bore conforms to the ISO 6432 mounting interface, dropping directly into standard mini brackets and clevises.
The riveted stainless barrel and rod resist mild corrosion and washdown environments. For practical sizing, expect a safe working load of roughly 72 N, or a vertical lift of about 6.1 kg with a 2:1 margin. This SKU lacks a magnet and cannot take sensors; add the -S option for CMSG/DMSG/EMSG switches. Fixed TPU bumper pads soften the stroke ends without locking the load.
Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA Technical Specifications
| Model | Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA |
|---|---|
| Series | MSI ISO 6432 mini cylinder |
| Bore size | Ø20 mm |
| Stroke | 50 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 500 mm |
Specifications follow the official AirTAC MI/MIC (ISO 6432) datasheet. Barrel & rod: stainless steel (round-body, riveted construction). Thread options: PT (blank) / G.
Theoretical Output Force (Ø20mm)
| Pressure | Push force (spring return) |
|---|---|
| 0.5 MPa | 119.5 N |
| 0.7 MPa | 182.3 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 MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA
| MSI | ISO 6432 round-body mini cylinder (single-acting push, spring-return). |
|---|---|
| 20 | Bore size in mm. |
| ×50 | Stroke length in mm. |
| -S | Optional built-in magnet for CMSG / DMSG / EMSG sensors. |
MI-family variants: MI / MIC (double acting ±cushion), MSI / MTI (single acting push / pull), MID / MICD (double rod ±cushion), MIJ / MICJ (adjustable stroke ±cushion). Back covers CA / U / R / CM. Mounting LB / FA / SDB / TC.
Where the Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA Is Used
Light-Duty Clamping
Provides 119.5 N of push force to hold light workpieces against a stop during machining or assembly.
Parts Ejector
Extends to push small finished goods off a conveyor line, with the spring safely retracting the rod between cycles.
Gate Diversion
Actuates a lightweight diverter gate on a packaging track, returning to the retracted rest position if air pressure drops.
Is the Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA the Right Cylinder?
When sizing by PUSH force, this 119.5 N unit (at 0.5 MPa) sits between the Ø16 bore at 74.9 N and the Ø25 bore at 190.3 N, giving you a clear upgrade path if loads vary. You must supply at least 0.2 MPa of air to overcome the return spring; below that, the rod will not extend. The 50 mm stroke is well within the 80 mm spring-limited standard for this bore.
This model features a CA rear pivot cover for clevis mounting. Since this specific SKU has no magnet, it cannot accept position sensors—specify the -S variant if your control system requires CMSG, DMSG, or EMSG switches.
Quick checklist
- ✓ Required force at your working pressure
- ✓ Stroke and mounting space
- ✓ Port/thread type (PT / G)
- ✓ Magnet (-S) for sensors?
- ✓ Back cover (CA/U/R/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/R/CM) & mount (LB/FA/SDB/TC).
- check Installation by qualified personnel per AirTAC docs.
Airtac MSI Single Acting Stainless Steel Mini Cylinder MSI20X50CA FAQ
It delivers a net push force of 119.5 N at 0.5 MPa and 182.3 N at 0.7 MPa. It requires at least 0.2 MPa to overcome the internal spring and extend; when air is released, the spring retracts the rod.
No, this specific SKU does not include a magnet and cannot accept CMSG, DMSG, or EMSG sensors. You must select the -S variant for position sensing. It uses a 1/8" port and an M8x1.25 male rod thread.
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Covers non-human-caused product damage.
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