This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the direct replacement MBLJ25X65-40S, 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 MALJ25X65-40S
The AirTAC MALJ25 Adjustable Mini Air Cylinder MALJ25X65-40S is a double-acting aluminum mini cylinder with a rear adjustable-stroke stopper: you can trim up to 40 mm, giving a usable end-position window from 25 to 65 mm. This model is discontinued — the direct replacement is the MBLJ25X65-40S.
- BoreØ25 mm
- Stroke65 mm
- Adjust window25–65 mm
- Port sizeG1/8
- Rod threadM10×1.25
- StatusDiscontinued → MBLJ25X65-40S
- 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 MALJ25X65-40S
The AirTAC MALJ25X65-40S is a discontinued double-acting double-rod cylinder with a 25 mm bore and a 65 mm stroke. The direct replacement is the MBLJ25X65-40S, which matches the bore, stroke, force, G1/8 port, and mounting. This MALJ unit features a 40 mm rear adjuster, creating a usable stroke window of 25-65 mm so you can dial in the end position without external stops.
The rear adjuster is a travel stop, not a lock; it sets the end position but will not hold a load without live air. Impact is softened by a fixed rubber bumper, as there is no adjustable air cushion. The -S magnet on this legacy model works with CS1-M / DS1-M switches, whereas the MBLJ replacement uses CMSG / DMSG / EMSG sensors and upgrades the threaded covers to a riveted rolling-packed body.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X65-40S Technical Specifications
| Model | Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X65-40S |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ25X65-40S |
| Bore size | Ø25 mm |
| Stroke | 65 mm |
| Adjustable window | 25 – 65 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 MBLJ25X65-40S 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 MBLJ25X65-40S matches these values.
Model Code: Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X65-40S
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 25 | Bore size in mm (20/25/32/40). |
| ×65 | Nominal stroke length in mm. |
| -40 | Adjustable amount: trim the end to a 25–65 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 MALJ25X65-40S Is Used
Aluminum Extrusion Notching
Fine-tune the retract distance on an extrusion notching station, allowing the 10 mm rod to clear varying profile heights before the next index cycle.
Carton Flap Tucking
Adjust the extend stroke on a packaging line tucker arm to accommodate different carton depths, preventing flap crushing while relying on the fixed rubber bumper for end impact.
Replacing the Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X65-40S with MBLJ25X65-40S
To replace this MALJ25X65-40S with the MBLJ25X65-40S, confirm the 25 mm bore, 65 mm stroke, 40 mm adjust code, PT G1/8 port, and M10x1.25 rod thread. Mounting is Basic, FA, or LB only; there is no back cover or SDB option. Remember the adjuster sets end position but does not hold load without air.
Upgrade checklist
- ✓ Order the MBLJ25X65-40S (same bore/stroke/adjust)
- ✓ Same 25–65 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 MBLJ25X65-40S instead of this discontinued model.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X65-40S FAQ
Yes, the MALJ25X65-40S is discontinued. The direct replacement is the MBLJ25X65-40S, matching the 25 mm bore, 65 mm stroke, 40 mm adjust code, and G1/8 port. The MBLJ upgrades the threaded covers to a riveted rolling-packed body and changes the -S magnet compatibility from CS1-M / DS1-M switches to CMSG / DMSG / EMSG sensors.
The 40 mm adjust code allows you to trim the rear travel stop, creating a usable stroke window from 25 mm up to 65 mm. The adjuster is a travel stop, not a lock, and will not hold a load without live air.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The MBLJ25X65-40S 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.
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