This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the direct replacement MBLJ40X30-10, with the same bore, stroke, output force, port and mounting, so it fits the same application. 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 MALJ40X30-10
The AirTAC Airtac MALJ40 Adjustable Mini Cylinder MALJ40X30-10 is a double-acting aluminum mini cylinder with a rear adjustable-stroke stopper: you can trim up to 10 mm, giving a usable end-position window from 20 to 30 mm. This model is discontinued — the direct replacement is the MBLJ40X30-10.
- BoreØ40 mm
- Stroke30 mm
- Adjust window20–30 mm
- Port sizeG1/4
- Rod threadM12×1.25
- StatusDiscontinued → MBLJ40X30-10
- 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 MALJ40 Adjustable Mini Cylinder MALJ40X30-10
The AirTAC MALJ40X30-10 is a discontinued double-acting, double-rod adjustable-stroke mini cylinder. It features a 40mm bore and a 30mm stroke, with a rear screw stopper that allows you to trim the end position by up to 10mm, creating a usable stroke window of 20-30mm. The direct replacement is the MBLJ40X30-10, which matches the bore, stroke, force, and G1/4 port.
This SKU lacks the -S magnet option, meaning it cannot accept a position sensor. The MALJ uses a fixed rubber bumper for end-of-stroke impact absorption and has threaded covers, whereas the MBLJ upgrade features a riveted rolling-packed body. Remember that the rear adjuster is a travel stop that sets the end position; it does not hold the load without live air pressure.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X30-10 Technical Specifications
| Model | Airtac MALJ40 Adjustable Mini Cylinder MALJ40X30-10 |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ40X30-10 |
| Bore size | Ø40 mm |
| Stroke | 30 mm |
| Adjustable window | 20 – 30 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 MBLJ40X30-10 carries the same ratings.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 528 N | 528 N |
| 0.7 MPa | 739 N | — |
| Max (@1.0 MPa) | 108 kgf | |
MALJ is double-rod: the rear rod that carries the stroke adjuster passes through the rear cover, so both piston faces lose rod area. Push is shown at the annular-area value (conservative), lower than a single-rod MAL push of the same bore. The MBLJ40X30-10 matches these values.
Model Code: Airtac MALJ40 Adjustable Mini Cylinder MALJ40X30-10
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×30 | Nominal stroke length in mm. |
| -10 | Adjustable amount: trim the end to a 20–30 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 MALJ40X30-10 Is Used
Wire Crimp Height Gauge
Set the exact end-of-stroke position for a terminal crimp press anvil, using the 10mm rear stopper to fine-tune crimp height without physically shimming the machine base.
Pneumatic Press Depth Control
Trim the stroke on a small benchtop assembly press to ensure a bearing is seated to an exact depth rather than bottoming out at full stroke, relying on the fixed rubber bumper to soften the impact.
Replacing the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X30-10 with MBLJ40X30-10
To replace the MALJ40X30-10, order the MBLJ40X30-10. Confirm the 40mm bore, 30mm stroke, 10mm adjust code, PT G1/4 port, and M12x1.25 rod-end thread. Mounting is limited to FA or LB foot brackets; there is no back-cover or SDB option. Because this SKU lacks the -S magnet, it cannot hold a sensor; if you need sensing on the new MBLJ, specify the -S option to switch from the old CS1-M/DS1-M switches to the current CMSG/DMSG/EMSG family. The adjuster is a stop, not a lock.
Upgrade checklist
- ✓ Order the MBLJ40X30-10 (same bore/stroke/adjust)
- ✓ Same 20–30 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 MBLJ40X30-10 instead of this discontinued model.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X30-10 FAQ
Yes, the MALJ40X30-10 is discontinued. The direct replacement is the MBLJ40X30-10, which matches the 40mm bore, 30mm stroke, 10mm adjust code, and G1/4 port. The MBLJ upgrade uses a riveted rolling-packed body instead of the MALJ's threaded covers, but the force and mounting footprint remain the same.
The 30mm stroke can be trimmed by up to 10mm at the rear, giving a usable stroke window of 20-30mm. Note that this SKU has no -S magnet and cannot accept a position sensor.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The MBLJ40X30-10 replaces this model 1:1.
Fast Dispatch
MBLJ replacements are processed and dispatched in 3-5 business days.
Fast Reply
Most inquiries answered within 7-8 hours.
Recommended AirTAC MBLJ Replacements
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