This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the direct replacement MBLJ20X225-100, 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 MALJ20 Adjustable Mini Cylinder MALJ20X225-100
The AirTAC Airtac MALJ20 Adjustable Mini Cylinder MALJ20X225-100 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 125 to 225 mm. This model is discontinued — the direct replacement is the MBLJ20X225-100.
- BoreØ20 mm
- Stroke225 mm
- Adjust window125–225 mm
- Port sizeG1/8
- Rod threadM8×1.25
- StatusDiscontinued → MBLJ20X225-100
- 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 MALJ20 Adjustable Mini Cylinder MALJ20X225-100
The AirTAC MALJ20X225-100 is a discontinued double-acting, double-rod mini cylinder with a 100 mm rear adjuster, creating a usable stroke window of 125-225 mm. The direct replacement is the MBLJ20X225-100, matching the 20 mm bore, 225 mm stroke, G1/8 port, and mounting.
This SKU lacks a -S magnet, so it cannot accept a position sensor. The rear adjuster is a travel stop, not a lock; it cannot hold a load without live air. The fixed rubber bumper softens end impact, while the carbon-steel rod has a 20 um hard chrome plating to resist wear. Upgrading to the MBLJ20X225-100 moves you from threaded covers to a riveted rolling-packed body.
Airtac MALJ20 Adjustable Mini Cylinder MALJ20X225-100 Technical Specifications
| Model | Airtac MALJ20 Adjustable Mini Cylinder MALJ20X225-100 |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ20X225-100 |
| Bore size | Ø20 mm |
| Stroke | 225 mm |
| Adjustable window | 125 – 225 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/8 |
| Rod thread | M8×1.25 |
| 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 MBLJ20X225-100 carries the same ratings.
Theoretical Output Force (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 132 N | 132 N |
| 0.7 MPa | 185 N | — |
| Max (@1.0 MPa) | 27 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 MBLJ20X225-100 matches these values.
Model Code: Airtac MALJ20 Adjustable Mini Cylinder MALJ20X225-100
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 20 | Bore size in mm (20/25/32/40). |
| ×225 | Nominal stroke length in mm. |
| -100 | Adjustable amount: trim the end to a 125–225 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 MALJ20 Adjustable Mini Cylinder MALJ20X225-100 Is Used
Dispenser Valve Calibration
Trim the rear stopper up to 100 mm to fine-tune the open position of a fluid dispenser valve, using the 132 N pull to retract the needle and prevent drip after the cycle.
Wire Strpper Stroke Limit
Adjust the stroke window on an automated wire stripping machine to accommodate different cable lengths, relying on the fixed rubber bumper to absorb the rapid 800 mm/s end impact.
Replacing the Airtac MALJ20 Adjustable Mini Cylinder MALJ20X225-100 with MBLJ20X225-100
To replace the MALJ20X225-100, specify the MBLJ20X225-100. Confirm the 20 mm bore, 225 mm stroke, 100 mm adjust code, G1/8 PT port, and M8x1.25 rod thread. Mounting is Basic, FA, or LB only; there is no back-cover or SDB option. Because this SKU lacks a -S magnet, it cannot take a sensor, but if you need one on the MBLJ, the switch family changes from CS1-M/DS1-M to CMSG/DMSG/EMSG. Remember the adjuster sets end position but does not hold load without air.
At 225 mm stroke, the 8 mm rod is highly susceptible to bending under side loads; ensure your guiding is rigid to prevent rod damage.
Upgrade checklist
- ✓ Order the MBLJ20X225-100 (same bore/stroke/adjust)
- ✓ Same 125–225 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 MBLJ20X225-100 instead of this discontinued model.
Airtac MALJ20 Adjustable Mini Cylinder MALJ20X225-100 FAQ
Yes, the MALJ20X225-100 is discontinued. The direct replacement is the MBLJ20X225-100, which matches the 20 mm bore, 225 mm stroke, 100 mm adjust code, G1/8 port, and mounting. The MBLJ upgrades the body from threaded covers to a riveted rolling-packed design.
The 100 mm rear adjuster is a travel stop that sets the end position within a 125-225 mm window; it is not a lock and cannot hold a load without live air. This SKU has no -S magnet and cannot accept a position sensor.
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Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The MBLJ20X225-100 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.
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