This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is MBLJ40X250-75 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the MBLJ40X250-75 in place of this model. The MBLJ replacement upgrades to a riveted rolling-packed body and CMSG / DMSG / EMSG sensors (the MAL used CS1-M / DS1-M).
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75
The AirTAC Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75 is a double-acting aluminum mini cylinder with a rear adjustable-stroke stopper: you can trim up to 75 mm, giving a usable end-position window from 175 to 250 mm. This model is discontinued — the drop-in replacement is the MBLJ40X250-75.
- BoreØ40 mm
- Stroke250 mm
- Adjust window175–250 mm
- Port sizeG1/4
- Rod threadM12×1.25
- StatusDiscontinued → MBLJ40X250-75
About the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75
The AirTAC MALJ40X250-75 is a discontinued double-acting mini cylinder with a 40 mm bore and 250 mm stroke. It features a rear adjustable stopper that trims up to 75 mm, yielding a usable end-position window of 175-250 mm. This 40 mm bore delivers 628 N push and 528 N pull at 0.5 MPa. The exact drop-in replacement is the MBLJ40X250-75, matching bore, stroke, port, and force.
This SKU lacks a -S magnet, so it cannot accept a position sensor. The original MALJ uses threaded covers and a CS1-M/DS1-M sensor track, while the MBLJ upgrade features a riveted rolling-packed body and CMSG/DMSG/EMSG switches. The adjuster sets end reach without external stops but does not hold load without live air. It uses a fixed rubber bumper, not an adjustable cushion.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75 Technical Specifications
| Model | Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75 |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ40X250-75 |
| Bore size | Ø40 mm |
| Stroke | 250 mm |
| Adjustable window | 175 – 250 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.1 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Fixed rubber bumper |
| Max standard stroke | Up to 500 mm |
The rear adjuster is a travel stop, not a lock — it sets the end position but does not hold the load without live air. No back-cover code and no SDB on adjustable-stroke. The MBLJ40X250-75 carries the same ratings.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Single-rod force, same as a standard MAL of this bore. The MBLJ40X250-75 matches these values.
Model Code: Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×250 | Nominal stroke length in mm. |
| -75 | Adjustable amount: trim the end to a 175–250 mm window. |
| S | Optional magnet for a CS1-M / DS1-M sensor (MBLJ uses CMSG/DMSG/EMSG). |
Replacement: MALJ → MBLJ. No back-cover (CA/U/CM) and no SDB. Mounting: FA / LB.
Where the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75 Is Used
Injection mold ejector
Dial the 175-250 mm reach to strike an injection mold ejector plate precisely, using the 628 N push to clear parts without over-traveling the mold cavity.
Bending press locator
Set an exact 175-250 mm backstop on a manual bending press, leveraging the 40 mm bore force to hold sheet metal alignment firmly before the clamp cycle.
Palletizer push-off
Tune the end position on a palletizer push-off arm to accommodate varying box widths without remounting the cylinder or adding external hard stops.
Replacing the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75 with MBLJ40X250-75
Replace this MALJ40X250-75 directly with the MBLJ40X250-75. Confirm the 40 mm bore, 250 mm stroke, 75 mm adjust code, G1/4 port, PT thread, and FA/LB mounting (no back cover or SDB). Because this SKU has no -S magnet, it cannot take a sensor. The rear adjuster is a travel stop, not a lock. Stepping down, the 32 mm bore offers 402 N push at 0.5 MPa; stepping up is not available as 40 mm is the largest MALJ bore.
Upgrade checklist
- ✓ Order the MBLJ40X250-75 (same bore/stroke/adjust)
- ✓ Same 175–250 mm adjustable window
- ✓ Adjuster is a stop, not a lock
- ✓ No back cover / SDB — plan an FA/LB mount
- ✓ Sensor: swap CS1-M/DS1-M → CMSG/DMSG/EMSG
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.1 – 1.0 MPa operating pressure.
- check The rear adjuster sets the end position — it is not a load lock.
- check No back-cover / SDB on adjustable-stroke — use FA / LB.
- check Front/rear covers are threaded — not for field disassembly.
- check For new builds, specify the MBLJ40X250-75 instead of this discontinued model.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X250-75 FAQ
Yes, the MALJ40X250-75 is discontinued. The exact drop-in replacement is the MBLJ40X250-75, matching the 40 mm bore, 250 mm stroke, 75 mm adjust code, G1/4 port, and mounting. The MBLJ upgrades the body to a riveted rolling-packed design.
The 40 mm bore provides 628 N push and 528 N pull at 0.5 MPa, 880 N push at 0.7 MPa, and 128 kgf max at 1.0 MPa. The 75 mm adjust code allows trimming the 250 mm stroke to a usable 175-250 mm window. The adjuster is a travel stop, not a lock.
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The MBLJ40X250-75 replaces this model 1:1.
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MBLJ replacements usually ship in 3-4 days.
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