This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is MBLJ40X500-75 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the MBLJ40X500-75 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 MALJ40X500-75
The AirTAC Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75 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 425 to 500 mm. This model is discontinued — the drop-in replacement is the MBLJ40X500-75.
- BoreØ40 mm
- Stroke500 mm
- Adjust window425–500 mm
- Port sizeG1/4
- Rod threadM12×1.25
- StatusDiscontinued → MBLJ40X500-75
About the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75
The AirTAC MALJ40X500-75 is a discontinued double-acting single-rod cylinder with a 40mm bore and 500mm stroke. The -75 adjuster trims up to 75mm at the rear, yielding a usable 425-500mm window. It delivers 628N push and 528N pull at 0.5MPa. The exact drop-in replacement is the MBLJ40X500-75, matching bore, stroke, adjust code, force, G1/4 port and mounting.
This SKU lacks a -S magnet, so it cannot take a position sensor. The rear adjuster is a travel stop, not a lock; it sets the end position but will not hold a load without live air. The fixed rubber bumper softens end impact. Upgrading to the MBLJ swaps the older threaded covers for a riveted rolling-packed body, though ratings remain identical.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75 Technical Specifications
| Model | Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75 |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ40X500-75 |
| Bore size | Ø40 mm |
| Stroke | 500 mm |
| Adjustable window | 425 – 500 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 MBLJ40X500-75 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 MBLJ40X500-75 matches these values.
Model Code: Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×500 | Nominal stroke length in mm. |
| -75 | Adjustable amount: trim the end to a 425–500 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 MALJ40X500-75 Is Used
Injection Mold Ejection
Dials the exact 425-500mm ejection reach for deep-cavity plastic molds. The 628N push force at 0.5MPa reliably strips parts without over-traveling and cracking the core.
Printed Circuit Board Handling
Fine-tunes the transfer arm end position in PCB assembly lines. Trimming 75mm at the rear prevents the 16mm rod from crashing into delicate conveyors during format changes.
Automotive Welding Fixtures
Sets precise clamping depth on variable-height chassis sub-assemblies. The fixed rubber bumper absorbs the 880N impact force at 0.7MPa, protecting the weld gun alignment.
Replacing the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75 with MBLJ40X500-75
To replace this MALJ with the MBLJ40X500-75, confirm the 40mm bore, 500mm stroke, -75 adjust code, G1/4 port, PT thread and FA/LB mounting. There is no back cover or SDB option. Since this SKU lacks a -S magnet, it cannot accept a CS1-M/DS1-M sensor; the MBLJ upgrade uses CMSG/DMSG/EMSG switches if you need detection. Stepping down, the 32mm bore yields 402N push at 0.5MPa; stepping up is not available as 40mm is the largest MALJ bore.
At 500mm stroke, side-load and rod-bending risks are high. Ensure rigid guiding to prevent shaft binding. Remember the adjuster is a stop, not a lock; add an external locking mechanism if you must hold a load without air pressure.
Upgrade checklist
- ✓ Order the MBLJ40X500-75 (same bore/stroke/adjust)
- ✓ Same 425–500 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 MBLJ40X500-75 instead of this discontinued model.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75 FAQ
Yes, the MALJ40X500-75 is discontinued. The exact drop-in replacement is the MBLJ40X500-75, which matches the 40mm bore, 500mm stroke, -75 adjust code, 628N push force and G1/4 port. The MBLJ upgrades the threaded covers to a riveted rolling-packed body.
The force ratings are 628N push and 528N pull at 0.5MPa, 880N push at 0.7MPa, and a maximum of 128kgf at 1.0MPa. The -75 adjuster is a travel stop that creates a 425-500mm window; it does not hold a load without live air. This SKU has no -S magnet and cannot take a sensor.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Drop-in Upgrade
The MBLJ40X500-75 replaces this model 1:1.
Fast Dispatch
MBLJ replacements usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Recommended AirTAC MBLJ Replacements
Request a Quote (Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-75 → MBLJ40X500-75)
Tell us the quantity and destination — we quote the drop-in MBLJ40X500-75 replacement with price, stock and lead time, usually within 7-8 hours.