This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is MBLJ40X500-30-S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the MBLJ40X500-30-S 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 MALJ40X500-30-S
The AirTAC Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-30-S is a double-acting aluminum mini cylinder with a rear adjustable-stroke stopper: you can trim up to 30 mm, giving a usable end-position window from 470 to 500 mm. This model is discontinued — the drop-in replacement is the MBLJ40X500-30-S.
- BoreØ40 mm
- Stroke500 mm
- Adjust window470–500 mm
- Port sizeG1/4
- Rod threadM12×1.25
- StatusDiscontinued → MBLJ40X500-30-S
About the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-30-S
The AirTAC MALJ40X500-30-S is a discontinued double-acting, single-rod adjustable-stroke cylinder. It has a 40mm bore, 500mm stroke, and a 30mm rear adjuster, giving a usable end-position window of 470-500mm. It delivers 628N of push force at 0.5MPa. The exact drop-in replacement is the MBLJ40X500-30-S, matching the bore, stroke, G1/4 port, and mounting.
This -S model includes a magnet for CS1-M or DS1-M switches; the MBLJ upgrade uses CMSG, DMSG, or EMSG sensors. The rear adjuster is a travel stop, not a lock, so it sets the end position but will not hold a load without live air. The MALJ uses threaded covers and a fixed rubber bumper, while the MBLJ replacement features a riveted rolling-packed body.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-30-S Technical Specifications
| Model | Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-30-S |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ40X500-30-S |
| Bore size | Ø40 mm |
| Stroke | 500 mm |
| Adjustable window | 470 – 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 MBLJ40X500-30-S 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 MBLJ40X500-30-S matches these values.
Model Code: Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-30-S
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×500 | Nominal stroke length in mm. |
| -30 | Adjustable amount: trim the end to a 470–500 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 MALJ40X500-30-S Is Used
PCB Conveyor Diverter
Dialing the 470-500mm reach on this 628N cylinder lets you fine-tune a conveyor diverter arm without adding external stop collars to the 500mm stroke.
Packaging Flap Folder
Trimming the 30mm end position synchronizes a heavy carton folder, using the 880N push at 0.7MPa to securely fold thick corrugated board.
Pallet Wrap Arm
The 16mm rod and 500mm stroke provide the long reach needed for a stretch-wrap applicator, while the rear stop precisely sets the arm's retracted home position.
Replacing the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-30-S with MBLJ40X500-30-S
To replace the MALJ40X500-30-S, order the drop-in MBLJ40X500-30-S. Confirm the 40mm bore, 500mm stroke, 30mm adjust code, G1/4 port, PT thread, and FA or LB mounting (no back cover or SDB). The -S magnet switches from CS1-M/DS1-M to CMSG/DMSG/EMSG. The adjuster is a stop, not a lock; add an external lock for held loads.
For sizing, stepping down to the 32mm bore yields 402N push at 0.5MPa, while stepping up is not available as 40mm is the largest MALJ bore. At 500mm stroke, the 16mm rod is highly susceptible to side-load bending; ensure strict guide alignment to prevent premature seal wear and rod damage.
Upgrade checklist
- ✓ Order the MBLJ40X500-30-S (same bore/stroke/adjust)
- ✓ Same 470–500 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 MBLJ40X500-30-S instead of this discontinued model.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X500-30-S FAQ
Yes, the MALJ40X500-30-S is discontinued. The exact drop-in replacement is the MBLJ40X500-30-S, matching the 40mm bore, 500mm stroke, 30mm adjuster, G1/4 port, and mounting. The MBLJ upgrades the body to a riveted rolling-packed design and the -S magnet switches from CS1-M/DS1-M to CMSG/DMSG/EMSG sensors.
The 40mm bore gives 628N push and 528N pull at 0.5MPa, 880N push at 0.7MPa, and a maximum 128kgf at 1.0MPa. The 30mm rear adjuster creates a usable stroke window of 470-500mm. The adjuster is a travel stop only, not a lock, and the cylinder uses a fixed rubber bumper, not an adjustable air cushion.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Drop-in Upgrade
The MBLJ40X500-30-S 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 MALJ40X500-30-S → MBLJ40X500-30-S)
Tell us the quantity and destination — we quote the drop-in MBLJ40X500-30-S replacement with price, stock and lead time, usually within 7-8 hours.