This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU 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 MSAL40X20SU
The AirTAC Airtac MSAL Front Single Acting Compact Cylinder MSAL40X20SU is a single acting, push (spring return) aluminum-barrel mini cylinder with a Ø40mm bore and 20mm stroke, G1/4 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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU.
- BoreØ40 mm
- Stroke20 mm
- Port sizeG1/4
- Acting typeSingle acting, push (spring return)
- Rod threadM12×1.25
- StatusDiscontinued → AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU
About the Airtac MSAL Front Single Acting Compact Cylinder MSAL40X20SU
The AirTAC MSAL40X20SU is a discontinued single-acting push cylinder with a 40mm bore and 20mm stroke. Air extends the rod to do work, while an internal spring retracts it to a fail-safe home when pressure drops. It delivers 539.9 N of usable push force at 0.5 MPa and 791.1 N at 0.7 MPa. The exact drop-in replacement is the MSBL40X20SU, matching the bore, stroke, G1/4 port, and U back cover.
This SKU includes the -S magnet for position sensing with older CS1-M or DS1-M switches. The original MSAL body uses threaded covers, whereas the MSBL replacement features a riveted rolling-packed body. End-of-stroke damping relies on a fixed rubber bumper, as no adjustable cushion exists on this single-acting series.
Airtac MSAL Front Single Acting Compact Cylinder MSAL40X20SU Technical Specifications
| Model | Airtac MSAL Front Single Acting Compact Cylinder MSAL40X20SU |
|---|---|
| Series | MAL single-acting mini cylinder (discontinued) |
| Replacement | AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU |
| Bore size | Ø40 mm |
| Stroke | 20 mm |
| Acting type | Single acting, push (spring return) |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU carries the same single-acting ratings.
Usable Push Force (Ø40mm)
| Pressure | Push force (net of spring) |
|---|---|
| 0.5 MPa | 539.9 N |
| 0.7 MPa | 791.1 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 MSAL40X20SU
| MSAL | Single acting, push (spring return) aluminum-barrel mini cylinder (discontinued). |
|---|---|
| 40 | 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 MSAL40X20SU Is Used
Sheet Metal Stamping Ejector
Ejects stamped brackets from a die using 539.9 N at 0.5 MPa, with the spring safely retracting the rod clear of the press cycle.
Packaging Carton Flap Folder
Folds corrugated carton flaps during case sealing, using the 20mm stroke to push the panel down before the internal spring retracts for the next box.
Bearing Housing Clamp
Holds bearing housings in a CNC lathe fixture; the single-acting push provides rigid clamping, and air loss triggers a fail-safe retracted release.
Replacing the Airtac MSAL Front Single Acting Compact Cylinder MSAL40X20SU with AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU
Replace this MSAL40X20SU directly with the MSBL40X20SU. Confirm the 40mm bore, 20mm stroke, M12x1.25 rod-end thread, G1/4 PT port, and the flat-end U back cover. If upgrading to the MSBL, note the -S magnet changes from CS1-M/DS1-M to CMSG/DMSG/EMSG switches. Maintain a minimum 0.2 MPa operating pressure to overcome the return spring, and apply no external load on the return stroke.
For sizing flexibility, stepping down to the 32mm bore yields 317.7 N at 0.5 MPa, while stepping up is not possible as 40mm is the largest in this mini series. With its 20mm short stroke on a 40mm bore, keep rod-bending and side-load risks minimized by ensuring rigid front-cover guide alignment.
Upgrade checklist
- ✓ Order the AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU (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 AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU instead of this discontinued model.
Airtac MSAL Front Single Acting Compact Cylinder MSAL40X20SU FAQ
Yes, the MSAL40X20SU is discontinued. The exact drop-in replacement is the MSBL40X20SU, which matches the 40mm bore, 20mm stroke, U back cover, and G1/4 port. The MSBL upgrade uses a riveted body and CMSG/DMSG/EMSG switches instead of the older CS1-M/DS1-M.
The usable push force is 539.9 N at 0.5 MPa and 791.1 N at 0.7 MPa (roughly 80.6 kgf). The minimum operating pressure is 0.2 MPa, which is required to overcome the internal return spring and extend the rod.
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Genuine AirTAC parts produced by AirTAC factory.
Drop-in Upgrade
The AIRTACMSBLFRONTSINGLEACTINGCOMPACTCYLINDERMSBL40X20SU replaces this model 1:1.
Fast Dispatch
MSBL replacements usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Recommended MSBL Replacements
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