This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the drop-in replacement B01-MBLJ40X100-30S, 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).

The AirTAC Airtac B01-MALJ Special Application Cylinder B01-MALJ40X100-30S 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 70 to 100 mm. This model is discontinued — the drop-in replacement is the B01-MBLJ40X100-30S.
The AirTAC B01-MALJ40X100-30S is a discontinued double-acting mini cylinder. The leading B01- prefix marks this as an application-dedicated (customer-specified) variant of the base MALJ40X100-30S, meaning it is mechanically identical to the standard model. It features a 40mm bore, a 100mm stroke, and a rear screw stopper that allows you to trim up to 30mm, creating a usable end-position window of 70-100mm. Delivering 628N push and 528N pull force at 0.5MPa, it uses a fixed rubber bumper and a G1/4 port.
The exact drop-in replacement is the MBLJ40X100-30S, sharing the same bore, stroke, adjust code, and force ratings. The original MALJ uses threaded covers and a CS1-M / DS1-M magnet sensor family, while the MBLJ upgrades to a riveted rolling-packed body and CMSG / DMSG / EMSG sensors. Remember that the rear adjuster is a travel stop, not a lock; it sets the end position but cannot hold a load without live air pressure.
| Model | Airtac B01-MALJ Special Application Cylinder B01-MALJ40X100-30S |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | B01-MBLJ40X100-30S |
| Bore size | Ø40 mm |
| Stroke | 100 mm |
| Adjustable window | 70 – 100 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 B01-MBLJ40X100-30S carries the same ratings.
| 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 B01-MBLJ40X100-30S matches these values.
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×100 | Nominal stroke length in mm. |
| -30 | Adjustable amount: trim the end to a 70–100 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.
Dial in the 70-100mm reach window to set the exact cutting depth on a router bit, using the 628N push force to maintain a rigid cut without over-traveling into the fixture.
Fine-tune the 100mm stroke by up to 30mm at the rear stopper to accommodate varying panel thicknesses, ensuring the 880N force at 0.7MPa seats rivets perfectly without bottoming out.
Adjust the end position on the fly to match different box heights, using the fixed rubber bumper to soften the impact of the 40mm bore rod at the end of every cycle.
To replace this B01-MALJ40X100-30S with the MBLJ40X100-30S, confirm the 40mm bore, 100mm stroke, 30mm adjust code, G1/4 port, and PT thread form. Mounting is limited to Basic, FA, or LB; there is no back-cover or SDB option. Because this is a -S magnet model, you must upgrade your sensors from the old CS1-M / DS1-M switches to the CMSG / DMSG / EMSG family. The adjuster is a travel stop, not a lock, so add an external lock for held loads.
When sizing, you can step down to a 32mm bore for 402N push at 0.5MPa, or step up to a larger ISO cylinder if you need more force. The 100mm stroke is well within standard limits, so no side-load concerns apply here.
Upgrade checklist
Yes, the B01-MALJ40X100-30S is discontinued. The B01- prefix simply marks it as an application-dedicated variant of the base MALJ40X100-30S. The exact drop-in replacement is the MBLJ40X100-30S, which matches the 40mm bore, 100mm stroke, 30mm adjust code, and force ratings. You will need to upgrade your sensors from CS1-M / DS1-M to CMSG / DMSG / EMSG.
The 30mm adjust code lets you trim the 100mm stroke at the rear, creating a usable end-position window of 70-100mm. The 40mm bore provides 628N push and 528N pull at 0.5MPa, 880N push at 0.7MPa, and a maximum of 128kgf at 1.0MPa. The rear screw acts as a travel stop, not a lock, and will not hold a load without live air.
Genuine AirTAC parts produced by AirTAC factory.
The B01-MBLJ40X100-30S replaces this model 1:1.
MBLJ replacements are processed and dispatched in 3-5 business days.
Most inquiries answered within 7-8 hours.
Tell us the quantity and destination — we quote the drop-in B01-MBLJ40X100-30S replacement with price, stock and lead time, usually within 7-8 hours.