This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the direct replacement MBLJ20X30-10, 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 MALJ20X30-10
The AirTAC Airtac MALJ20 Adjustable Mini Cylinder MALJ20X30-10 is a double-acting aluminum mini cylinder with a rear adjustable-stroke stopper: you can trim up to 10 mm, giving a usable end-position window from 20 to 30 mm. This model is discontinued — the direct replacement is the MBLJ20X30-10.
- BoreØ20 mm
- Stroke30 mm
- Adjust window20–30 mm
- Port sizeG1/8
- Rod threadM8×1.25
- StatusDiscontinued → MBLJ20X30-10
- 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 MALJ20X30-10
The AirTAC MALJ20X30-10 is a discontinued double-acting, double-rod mini cylinder with a 20mm bore and 30mm stroke. It features a fixed rubber bumper and an adjustable rear stopper that lets you trim up to 10mm, creating a usable end-position window from 20mm to 30mm.
The direct replacement is the MBLJ20X30-10, matching the bore, stroke, adjust code, and G1/8 port. This SKU has no magnet (-S), so it cannot accept a position sensor. Upgrading to the MBLJ changes the switch family from CS1-M/DS1-M to CMSG/DMSG/EMSG, and the threaded covers are replaced by a riveted rolling-packed body.
Airtac MALJ20 Adjustable Mini Cylinder MALJ20X30-10 Technical Specifications
| Model | Airtac MALJ20 Adjustable Mini Cylinder MALJ20X30-10 |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ20X30-10 |
| Bore size | Ø20 mm |
| Stroke | 30 mm |
| Adjustable window | 20 – 30 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 MBLJ20X30-10 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 MBLJ20X30-10 matches these values.
Model Code: Airtac MALJ20 Adjustable Mini Cylinder MALJ20X30-10
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 20 | Bore size in mm (20/25/32/40). |
| ×30 | Nominal stroke length in mm. |
| -10 | Adjustable amount: trim the end to a 20–30 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 MALJ20X30-10 Is Used
Micro-Dispense Valve
Sets a precise 28mm reach to actuate a micro-dispense valve for two-part epoxy, ensuring the nozzle clears the substrate before retraction.
Thin-Wall Tube Flanger
Trims the end position to 22mm to form a consistent lip on 6mm brass tubing, preventing over-travel that would buckle the thin wall.
Replacing the Airtac MALJ20 Adjustable Mini Cylinder MALJ20X30-10 with MBLJ20X30-10
To replace this MALJ20X30-10, order the exact direct replacement MBLJ20X30-10. Verify your 20mm bore, 30mm stroke, 10mm adjust code, G1/8 port, and PT thread. Mounting is Basic, FA, or LB only (no back cover or SDB). Because this SKU lacks the -S magnet, it cannot hold a sensor; the MBLJ upgrade uses CMSG/DMSG/EMSG switches. The rear adjuster is a travel stop, not a lock; it sets the end position but will not hold a load without live air.
Upgrade checklist
- ✓ Order the MBLJ20X30-10 (same bore/stroke/adjust)
- ✓ Same 20–30 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 MBLJ20X30-10 instead of this discontinued model.
Airtac MALJ20 Adjustable Mini Cylinder MALJ20X30-10 FAQ
Yes, the MALJ20X30-10 is discontinued. The direct replacement is the MBLJ20X30-10, which matches the 20mm bore, 30mm stroke, 10mm adjust code, and G1/8 port. The MBLJ upgrades the body to a riveted rolling-packed design and uses CMSG/DMSG/EMSG switches if you add a magnet.
The usable stroke window is 20-30mm, set by trimming up to 10mm at the rear stopper. The adjuster is a travel stop, not a lock, and this no-magnet SKU cannot take a sensor.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The MBLJ20X30-10 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
Request a Quote (Airtac MALJ20 Adjustable Mini Cylinder MALJ20X30-10 → MBLJ20X30-10)
Tell us the quantity and destination — we quote the direct MBLJ20X30-10 replacement with price, stock and lead time, usually within 7-8 hours.