This model is discontinued
AirTAC has phased out the MALJ series. You can still order this code here: we ship the direct replacement MBLJ25X75-30, 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 MALJ25X75-30
The AirTAC Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X75-30 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 45 to 75 mm. This model is discontinued — the direct replacement is the MBLJ25X75-30.
- BoreØ25 mm
- Stroke75 mm
- Adjust window45–75 mm
- Port sizeG1/8
- Rod threadM10×1.25
- StatusDiscontinued → MBLJ25X75-30
- 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 MALJ25X75-30
The AirTAC MALJ25X75-30 is a discontinued adjustable-stroke mini cylinder. Its direct replacement is the MBLJ25X75-30, matching the 25mm bore, 75mm stroke, and 30mm adjuster. A rear screw lets you trim up to 30mm, creating a usable end-position window of 45-75mm.
This double-acting double-rod unit has a fixed rubber bumper, not an adjustable air cushion. The rear adjuster sets travel but is a stop, not a lock, and will not hold a load without live air. This SKU lacks a magnet (-S), so it cannot accept a position sensor. The original MALJ uses threaded covers; the MBLJ upgrade features a riveted rolling-packed body.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X75-30 Technical Specifications
| Model | Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X75-30 |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ25X75-30 |
| Bore size | Ø25 mm |
| Stroke | 75 mm |
| Adjustable window | 45 – 75 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 MBLJ25X75-30 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 MBLJ25X75-30 matches these values.
Model Code: Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X75-30
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 25 | Bore size in mm (20/25/32/40). |
| ×75 | Nominal stroke length in mm. |
| -30 | Adjustable amount: trim the end to a 45–75 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 MALJ25X75-30 Is Used
Carton Flap Folder
Fine-tune the folding stroke on a packaging cartoner by trimming 30mm off the 75mm stroke, ensuring the 206N pull retracts the folding arm clear of the cardboard path.
Leather Skiving Guide
Adjust the end stop to control the roller gap on a leather skiving machine, relying on the fixed rubber bumper to soften the end impact during high-speed cycling.
Replacing the Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X75-30 with MBLJ25X75-30
To replace this MALJ25X75-30, order the exact direct replacement MBLJ25X75-30. Confirm the 25mm bore, 75mm stroke, 30mm adjust code, G1/8 port, and PT thread. Mounting is Basic, FA, or LB only, as there is no back-cover or SDB option. Since this SKU lacks the -S magnet, it cannot hold a sensor; the MBLJ upgrade uses CMSG/DMSG/EMSG switches if you need sensing.
Remember the adjuster is a travel stop, not a lock. At a 75mm stroke, side-load and rod-bending risks are moderate, so guide the load to avoid rod damage.
Upgrade checklist
- ✓ Order the MBLJ25X75-30 (same bore/stroke/adjust)
- ✓ Same 45–75 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 MBLJ25X75-30 instead of this discontinued model.
Airtac MALJ25 Adjustable Mini Air Cylinder MALJ25X75-30 FAQ
Yes, the MALJ25X75-30 is discontinued. The direct replacement is the MBLJ25X75-30, keeping the same 25mm bore, 75mm stroke, 30mm adjuster, G1/8 port, and force ratings. The MBLJ upgrades the body to a riveted rolling-packed design from the original threaded covers.
The -30 adjust code means you can trim up to 30mm at the rear, giving a usable window of 45-75mm. The adjuster is a travel stop, not a lock.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Direct Upgrade
The MBLJ25X75-30 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 MALJ25 Adjustable Mini Air Cylinder MALJ25X75-30 → MBLJ25X75-30)
Tell us the quantity and destination — we quote the direct MBLJ25X75-30 replacement with price, stock and lead time, usually within 7-8 hours.