This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the direct replacement MBLJ25X120-30S, 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).
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S
The AirTAC MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S 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 90 to 120 mm. This model is discontinued — the direct replacement is the MBLJ25X120-30S.
- BoreØ25 mm
- Stroke120 mm
- Adjust window90–120 mm
- Port sizeG1/8
- Rod threadM10×1.25
- StatusDiscontinued → MBLJ25X120-30S
- 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 MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S
The AirTAC MALJ25X120-30S is a discontinued adjustable-stroke, double-acting double-rod mini cylinder. It features a 25mm bore, 120mm stroke, and a rear travel stopper that trims up to 30mm, giving an exact usable end-position window of 90-120mm. The direct replacement is the MBLJ25X120-30S, matching the bore, stroke, adjuster, G1/8 port, and FA/LB mounting.
This -S SKU includes a magnet for CS1-M or DS1-M switches, whereas the MBLJ replacement uses CMSG/DMSG/EMSG sensors. The adjuster sets the end position but does not hold the load without live air, as the fixed rubber bumper only softens impact. Unlike the threaded covers on this MALJ, the MBLJ successor uses a riveted rolling-packed body for higher structural integrity.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S Technical Specifications
| Model | Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ25X120-30S |
| Bore size | Ø25 mm |
| Stroke | 120 mm |
| Adjustable window | 90 – 120 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/8 |
| Rod thread | M10×1.25 |
| 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 300 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 MBLJ25X120-30S carries the same ratings.
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 206 N | 206 N |
| 0.7 MPa | 289 N | — |
| Max (@1.0 MPa) | 42 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 MBLJ25X120-30S matches these values.
Model Code: Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 25 | Bore size in mm (20/25/32/40). |
| ×120 | Nominal stroke length in mm. |
| -30 | Adjustable amount: trim the end to a 90–120 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 MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S Is Used
Dispenser Nozzle Height
Fine-tune the nozzle height on an adhesive dispenser by trimming the 120mm stroke up to 30mm at the rear, ensuring precise bead placement without repositioning the cylinder body.
Pneumatic Press Stop
Set a variable bottom dead-center on a light-duty assembly press, relying on the 206N pull force to retract the tooling while the rubber bumper absorbs the end-of-travel impact.
Replacing the Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S with MBLJ25X120-30S
To replace this MALJ25X120-30S, order the exact direct replacement MBLJ25X120-30S. Confirm the 25mm bore, 120mm stroke, 30mm adjust code, PT G1/8 port, and FA/LB mounting (no back cover or SDB allowed). The -S magnet upgrades your sensor family from CS1-M/DS1-M to CMSG/DMSG/EMSG. Remember the rear adjuster is a travel stop, not a lock, so add an external lock for held loads.
Upgrade checklist
- ✓ Order the MBLJ25X120-30S (same bore/stroke/adjust)
- ✓ Same 90–120 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 MBLJ25X120-30S instead of this discontinued model.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X120-30S FAQ
Yes, the MALJ25X120-30S is discontinued. The direct replacement is the MBLJ25X120-30S, which matches the 25mm bore, 120mm stroke, 30mm adjuster, G1/8 port, and FA/LB mounting. The MBLJ upgrades the body to a riveted rolling-packed design and changes the -S magnet sensors from CS1-M/DS1-M to CMSG/DMSG/EMSG.
The 30mm adjuster lets you trim the 120mm stroke, creating a usable window of 90-120mm. The adjuster is a travel stop, not a load lock.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The MBLJ25X120-30S 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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