This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U in place of this model. The replacement upgrades to a riveted rolling-packed body and CMSG / DMSG / EMSG sensors (the MAL used CS1-M / DS1-M).
Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U
The AirTAC Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U is a single acting, push (spring return) aluminum-barrel mini cylinder with a Ø20mm bore and 25mm stroke, G1/8 ports and a fixed rubber bumper. Air drives the push (work) stroke and the spring returns the rod — it rests retracted on air loss. This model is discontinued; the drop-in replacement is the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U.
- BoreØ20 mm
- Stroke25 mm
- Port sizeG1/8
- Acting typeSingle acting, push (spring return)
- Rod threadM8×1.25
- StatusDiscontinued → AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U
About the Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U
The AirTAC MSAL20X25U is a discontinued single-acting push mini cylinder with a 20mm bore and 25mm stroke. Air extends the rod while an internal spring retracts it, providing a fail-safe retracted home on air loss. It delivers 106.8 N of usable push force at 0.5 MPa (169.6 N at 0.7 MPa) and requires a minimum 0.2 MPa to overcome the return spring.
The exact drop-in replacement is the MSBL20X25U, matching the bore, stroke, U flat-end back cover, and G1/8 PT port. This SKU lacks the -S magnet and cannot take a position sensor. Upgrade facts: the MSAL uses threaded covers and older CS1-M/DS1-M switches, while the MSBL features a riveted rolling-packed body and CMSG/DMSG/EMSG sensors.
Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U Technical Specifications
| Model | Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U |
|---|---|
| Series | MAL single-acting mini cylinder (discontinued) |
| Replacement | AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U |
| Bore size | Ø20 mm |
| Stroke | 25 mm |
| Acting type | Single acting, push (spring return) |
| Port size | G1/8 |
| 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 rubber bumper |
| Max standard stroke | Up to 150 mm |
Single-acting minimum working pressure is 0.2 MPa (the air must overcome the return spring). Do not apply an external load during the spring return stroke. The AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U carries the same single-acting ratings.
Usable Push Force (Ø20mm)
| Pressure | Push force (net of spring) |
|---|---|
| 0.5 MPa | 106.8 N |
| 0.7 MPa | 169.6 N |
Usable single-acting force after the return spring — lower than a same-bore double-acting cylinder. Size with a margin.
Model Code: Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U
| MSAL | Single acting, push (spring return) aluminum-barrel mini cylinder (discontinued). |
|---|---|
| 20 | Bore size in mm (20/25/32/40). |
| ×25 | Stroke length in mm. |
| S | Optional magnet for a CS1-M / DS1-M sensor (MSBL uses CMSG/DMSG/EMSG). |
| CA / U / CM | Back cover: CA pivot, U flat-end or CM round-end. |
Replacement: MSAL → MSBL. Related: MTAL/MTBL (single-acting pull), MAL/MBL (double acting).
Where the Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U Is Used
PCB Ejector Pins
Pushes thin printed circuit boards out of a test fixture with 106.8 N at 0.5 MPa, using the spring return to safely retract the pin when air is cut.
Chip Tray Stops
Acts as a stop gate for semiconductor chip trays, extending to block flow and spring-retracting to a fail-safe open home during an air loss event.
Light Plastic Pressing
Provides a short 25mm stroke to press light plastic caps into housings, relying on the fixed rubber bumper to absorb end-of-stroke impact.
Replacing the Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U with AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U
Replace this MSAL20X25U with the MSBL20X25U, confirming the 20mm bore, 25mm stroke, G1/8 PT port, U flat-end back cover, and non-magnet setup. Operating pressure is 0.2-1.0 MPa. Apply NO external load on the spring return stroke. If you need less force, step down to the 12mm bore class; if you need more, step up to the 25mm bore, which provides 176.4 N at 0.5 MPa. At this 25mm stroke, side-load risk is low, but maintain straight alignment to protect the 8mm rod.
Upgrade checklist
- ✓ Order the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U (same bore/stroke/force)
- ✓ Same push direction and retracted fail-safe home
- ✓ Min 0.2 MPa; no external load on the spring return
- ✓ Sensor: swap CS1-M/DS1-M → CMSG/DMSG/EMSG
- ✓ Confirm back cover (CA / U) and thread (PT/NPT/G)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.2 – 1.0 MPa (min 0.2 to overcome the spring).
- check Apply no external load on the spring return stroke.
- check Avoid side load on the piston rod.
- check Front/rear covers are threaded — not for field disassembly.
- check For new builds, specify the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U instead of this discontinued model.
Airtac MSAL Front Single Acting Compact Cylinder MSAL20X25U FAQ
Yes, the MSAL20X25U is discontinued. The exact drop-in replacement is the MSBL20X25U, which matches the 20mm bore, 25mm stroke, U flat-end back cover, and G1/8 port. The MSBL upgrades the body to a riveted rolling-packed design.
The usable push force is 106.8 N at 0.5 MPa and 169.6 N at 0.7 MPa. The minimum operating pressure is 0.2 MPa because the air must overcome the internal return spring. This SKU has no -S magnet and cannot accept a position sensor.
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Drop-in Upgrade
The AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL20X25U replaces this model 1:1.
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MSBL replacements usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
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