This model is discontinued
AirTAC has phased out the MSAL series. You can still order this code here: we ship the direct replacement MSBL25X50U, 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 MSAL25X50U
The AirTAC Airtac MSAL Front Single Acting Compact Cylinder MSAL25X50U is a single acting, push (spring return) aluminum-barrel mini cylinder with a Ø25mm bore and 50mm 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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U.
- BoreØ25 mm
- Stroke50 mm
- Port sizeG1/8
- Acting typeSingle acting, push (spring return)
- Rod threadM10×1.25
- StatusDiscontinued → AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U
- 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 MSAL25X50U
The AirTAC MSAL25X50U is a discontinued single-acting push cylinder with a 25mm bore and 50mm stroke. Air extends the rod to perform work, while an internal spring retracts it to a fail-safe home when air is removed. The direct replacement is the MSBL25X50U, which matches the bore, stroke, force, and porting. This SKU provides a usable push force of 176.4 N at 0.5 MPa (274.5 N at 0.7 MPa), requiring a minimum of 0.2 MPa to overcome the return spring.
This U-type configuration features a flat-end rear cover and a G1/8 port. Because this specific SKU lacks the -S magnet option, it cannot accept a position sensor. When upgrading to the MSBL, note the body construction changes from threaded covers to a riveted rolling-packed design. End-of-stroke deceleration relies on a fixed rubber bumper, as single-acting models do not use adjustable cushions. Never apply an external load on the spring return stroke.
Airtac MSAL Front Single Acting Compact Cylinder MSAL25X50U Technical Specifications
| Model | Airtac MSAL Front Single Acting Compact Cylinder MSAL25X50U |
|---|---|
| Series | MAL single-acting mini cylinder (discontinued) |
| Replacement | AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U |
| Bore size | Ø25 mm |
| Stroke | 50 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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U 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 MSAL25X50U
| MSAL | Single acting, push (spring return) aluminum-barrel mini cylinder (discontinued). |
|---|---|
| 25 | Bore size in mm (20/25/32/40). |
| ×50 | 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 MSAL25X50U Is Used
PCB Ejector Pins
Pushes finished printed circuit boards out of an assembly fixture with 176.4 N at 0.5 MPa, relying on the spring return to reset the pin safely.
Packaging Flap Holders
Extends to hold a carton flap stationary during a taping cycle; the spring return guarantees the flap releases on air loss to prevent jams.
Textile Loom Tensioners
Applies a constant 274.5 N at 0.7 MPa to tension a fabric web, with the fixed rubber bumper absorbing the rapid end-of-stroke impact.
Replacing the Airtac MSAL Front Single Acting Compact Cylinder MSAL25X50U with AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U
To replace this MSAL25X50U, migrate to the MSBL25X50U and verify your 25mm bore, 50mm stroke, G1/8 PT port, and U flat-end back cover. Because this unit has no -S magnet, it cannot hold a sensor; if you need position detection on the new MSBL, you must specify the -S option and upgrade from the legacy CS1-M / DS1-M switches to the modern CMSG / DMSG / EMSG family. Maintain a minimum 0.2 MPa operating pressure to ensure air overcomes the return spring, and never apply external load on the return stroke. For a 50mm stroke on a small bore, watch for side-load and rod-bending forces.
If sizing up or down, step to the 20mm bore for lighter duty (106.8 N push at 0.5 MPa) or the 32mm bore for heavier tasks (317.7 N push at 0.5 MPa).
Upgrade checklist
- ✓ Order the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U (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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U instead of this discontinued model.
Airtac MSAL Front Single Acting Compact Cylinder MSAL25X50U FAQ
Yes, the MSAL25X50U is discontinued. The direct replacement is the MSBL25X50U, which matches the 25mm bore, 50mm stroke, U-type flat-end cover, and G1/8 port. The MSBL upgrades the body to a riveted rolling-packed design instead of threaded covers.
The usable push force is 176.4 N at 0.5 MPa and 274.5 N at 0.7 MPa. It requires a minimum operating pressure of 0.2 MPa to overcome the internal return spring. Because this specific SKU lacks a -S magnet, it cannot accept a position sensor.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL25X50U 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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