This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the direct replacement MBLJ25X125-100, 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 MALJ25X125-100
The AirTAC MALJ25 Adjustable Mini Air Cylinder MALJ25X125-100 is a double-acting aluminum mini cylinder with a rear adjustable-stroke stopper: you can trim up to 100 mm, giving a usable end-position window from 25 to 125 mm. This model is discontinued — the direct replacement is the MBLJ25X125-100.
- BoreØ25 mm
- Stroke125 mm
- Adjust window25–125 mm
- Port sizeG1/8
- Rod threadM10×1.25
- StatusDiscontinued → MBLJ25X125-100
- 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 MALJ25X125-100
The AirTAC MALJ25X125-100 is a discontinued adjustable-stroke mini cylinder. As a double-acting double rod actuator with a 25mm bore and 125mm stroke, its rear screw stopper trims up to 100mm, creating a usable end-position window of 25-125mm. The direct replacement is the MBLJ25X125-100, matching the bore, stroke, G1/8 port, and 50kgf max force.
This SKU lacks a -S magnet, so it cannot accept a position sensor. It uses a fixed rubber bumper, not an adjustable air cushion. Two upgrade facts apply to the MBLJ: the old threaded covers are replaced by a riveted rolling-packed body, and the older CS1-M/DS1-M sensor family (if a magnet were present) is superseded by CMSG/DMSG/EMSG switches. The adjuster is a travel stop, not a lock; it sets the end position but will not hold a load without live air pressure.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X125-100 Technical Specifications
| Model | Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X125-100 |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ25X125-100 |
| Bore size | Ø25 mm |
| Stroke | 125 mm |
| Adjustable window | 25 – 125 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 MBLJ25X125-100 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 MBLJ25X125-100 matches these values.
Model Code: Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X125-100
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 25 | Bore size in mm (20/25/32/40). |
| ×125 | Nominal stroke length in mm. |
| -100 | Adjustable amount: trim the end to a 25–125 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 MALJ25X125-100 Is Used
PCB Router Depth Stop
Dials the Z-axis end position from 25 to 125mm to set precise routing depth on automated PCB depaneling routers without remounting hardware.
Pneumatic Press Pinning
Sets the exact bottom position for pressing connector pins into plastic housings, using the 100mm adjuster to fine-tune insertion depth safely.
Replacing the Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X125-100 with MBLJ25X125-100
To replace the MALJ25X125-100, order the direct replacement MBLJ25X125-100. Confirm the 25mm bore, 125mm stroke, 100mm adjust code, G1/8 port, PT thread, and FA/LB mounting (no back cover or SDB). Because this SKU lacks a -S magnet, it cannot take a sensor; if you need position detection, step up to an MBLJ model with an -S suffix to use CMSG/DMSG/EMSG switches.
At 125mm stroke, keep the rod guided to prevent side-load bending. Remember the adjuster is a stop, not a lock; use an external lock for held loads.
Upgrade checklist
- ✓ Order the MBLJ25X125-100 (same bore/stroke/adjust)
- ✓ Same 25–125 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 MBLJ25X125-100 instead of this discontinued model.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X125-100 FAQ
Yes, the MALJ25X125-100 is discontinued. The direct replacement is the MBLJ25X125-100, matching the 25mm bore, 125mm stroke, 100mm adjust code, and G1/8 port. The MBLJ upgrades the construction to a riveted rolling-packed body from the original threaded covers.
The 100mm rear adjuster creates a usable stroke window of 25-125mm. The adjuster is a travel stop, not a lock; it will not hold a load without live air. This SKU has no -S magnet and cannot take a sensor.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The MBLJ25X125-100 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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