This model is discontinued
AirTAC has phased out the MSAL series. You can still order this code here: we ship the direct replacement MSBL25X20U, with the same bore, stroke, output force, port and mounting, so it fits the same application. 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 MSAL25X20U
The AirTAC MSAL Front Single Acting Compact Cylinder MSAL25X20U is a single acting, push (spring return) aluminum-barrel mini cylinder with a Ø25mm bore and 20mm 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 direct replacement is the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U.
- BoreØ25 mm
- Stroke20 mm
- Port sizeG1/8
- Acting typeSingle acting, push (spring return)
- Rod threadM10×1.25
- StatusDiscontinued → AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac MSAL Front Single Acting Compact Cylinder MSAL25X20U
The AirTAC MSAL25X20U is a discontinued single-acting push, spring-return mini cylinder. Air extends the rod for the 20 mm work stroke, while an internal spring retracts it, providing a fail-safe retracted home upon air loss. The 25 mm bore yields a usable push force of 176.4 N at 0.5 MPa (274.5 N at 0.7 MPa), already net of the return spring. The direct replacement is the MSBL25X20U, matching the bore, stroke, U flat-end back cover, and G1/8 port.
This U-cover SKU lacks the -S magnet option, so it cannot accept a position sensor. As an upgrade fact, the MSAL uses older CS1-M / DS1-M switches and threaded covers, whereas the MSBL replacement uses CMSG / DMSG / EMSG sensors and a riveted rolling-packed body. End-of-stroke damping relies on a fixed rubber bumper, not an adjustable cushion. Never apply an external load on the spring return stroke.
Airtac MSAL Front Single Acting Compact Cylinder MSAL25X20U Technical Specifications
| Model | Airtac MSAL Front Single Acting Compact Cylinder MSAL25X20U |
|---|---|
| Series | MAL single-acting mini cylinder (discontinued) |
| Replacement | AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U |
| Bore size | Ø25 mm |
| Stroke | 20 mm |
| Acting type | Single acting, push (spring return) |
| Port size | G1/8 |
| 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 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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U carries the same single-acting ratings.
Usable Push Force (Ø25mm)
| Pressure | Push force (net of spring) |
|---|---|
| 0.5 MPa | 176.4 N |
| 0.7 MPa | 274.5 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 MSAL25X20U
| MSAL | Single acting, push (spring return) aluminum-barrel mini cylinder (discontinued). |
|---|---|
| 25 | Bore size in mm (20/25/32/40). |
| ×20 | 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 MSAL25X20U Is Used
PCB Ejector Pins
Uses the 176.4 N push at 0.5 MPa to eject populated circuit boards from test fixtures, with the spring ensuring pins retract clear when air is removed.
Packaging Flap Deflectors
Holds cardboard carton flaps open during automated fill cycles; the fail-safe retracted home prevents collision with the product flow when line pressure drops.
Connector Seating Press
Applies a brief 274.5 N force at 0.7 MPa to seat ribbon cable headers into PCB sockets, relying on the fixed rubber bumper to absorb the hard end-stop impact.
Replacing the Airtac MSAL Front Single Acting Compact Cylinder MSAL25X20U with AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U
To replace this MSAL25X20U, install the MSBL25X20U. Confirm the 25 mm bore, 20 mm stroke, G1/8 PT port, M10x1.25 rod-end, and U flat-end back cover. Because this is a no-magnet SKU, it cannot take a sensor; if you need position detection, step up to an -S MSBL model which uses CMSG/DMSG/EMSG switches. Minimum working pressure is 0.2 MPa to beat the return spring.
For sizing, stepping down to a 20 mm bore drops the 0.5 MPa push force to 106.8 N. Stepping up to a 32 mm bore raises it to 317.7 N. At 20 mm stroke on this small bore, side-load and rod-bending risks are minimal, but always ensure rigid front-cover guide alignment.
Upgrade checklist
- ✓ Order the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U (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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U instead of this discontinued model.
Airtac MSAL Front Single Acting Compact Cylinder MSAL25X20U FAQ
Yes, the MSAL25X20U is discontinued. The direct replacement is the MSBL25X20U, which matches the 25 mm bore, 20 mm stroke, U flat-end back cover, G1/8 port, and single-acting push spring-return function.
The usable push force is 176.4 N at 0.5 MPa and 274.5 N at 0.7 MPa (max 27.9 kgf). These forces are net of the opposing return spring. The minimum operating pressure is 0.2 MPa, which is required to overcome the spring and extend the rod.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X20U replaces this model 1:1.
Fast Dispatch
MSBL replacements are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Recommended MSBL Replacements
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