This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is MBLJ40X175-30-S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the MBLJ40X175-30-S in place of this model. The MBLJ replacement upgrades to a riveted rolling-packed body and CMSG / DMSG / EMSG sensors (the MAL used CS1-M / DS1-M).
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S
The AirTAC Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S 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 145 to 175 mm. This model is discontinued — the drop-in replacement is the MBLJ40X175-30-S.
- BoreØ40 mm
- Stroke175 mm
- Adjust window145–175 mm
- Port sizeG1/4
- Rod threadM12×1.25
- StatusDiscontinued → MBLJ40X175-30-S
About the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S
The AirTAC MALJ40X175-30-S is a discontinued adjustable-stroke mini cylinder. It is double-acting with a single 16mm rod, a G1/4 port, and an M12x1.25 rod-end thread. The -30 adjust code lets you trim up to 30mm at the rear screw, creating a usable stroke window of 145-175mm. It delivers 628N push and 528N pull force at 0.5MPa. The exact drop-in replacement is the MBLJ40X175-30-S, matching the bore, stroke, force, and mounting.
This SKU includes a -S magnet for position sensing, originally using CS1-M or DS1-M switches. The MBLJ upgrade shifts to CMSG, DMSG, or EMSG sensors and features a riveted rolling-packed body instead of the MALJ's threaded covers. The rear adjuster functions purely as a travel stop to fine-tune the end position without external shims; it is not a lock and will not hold a load without live air. End impact is softened by a fixed rubber bumper, as there is no adjustable air cushion.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S Technical Specifications
| Model | Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ40X175-30-S |
| Bore size | Ø40 mm |
| Stroke | 175 mm |
| Adjustable window | 145 – 175 mm |
| Acting type | Double acting, adjustable stroke |
| Port size | G1/4 |
| Rod thread | M12×1.25 |
| 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 500 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 MBLJ40X175-30-S carries the same ratings.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
Single-rod force, same as a standard MAL of this bore. The MBLJ40X175-30-S matches these values.
Model Code: Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S
| MALJ | Adjustable-stroke aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 40 | Bore size in mm (20/25/32/40). |
| ×175 | Nominal stroke length in mm. |
| -30 | Adjustable amount: trim the end to a 145–175 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 MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S Is Used
PCB Router Z-Axis Stop
Dial the 145-175mm reach to set router depth on a 628N @0.5MPa stroke, avoiding machine reprogramming for different board thicknesses.
Sheet Metal Bender
Adjust the 30mm end window to time the 880N @0.7MPa clamping hit precisely against varied flange lengths without adding external stop blocks.
Carton Flap Folder
Tune the 175mm stroke end position to fold varying box heights smoothly, relying on the fixed rubber bumper to soften the final impact.
Replacing the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S with MBLJ40X175-30-S
To replace the MALJ40X175-30-S, order the MBLJ40X175-30-S. Confirm it matches your 40mm bore, 175mm stroke, 30mm adjust code, G1/4 port, and PT thread. Mounting remains Basic, FA, or LB only; there is no back-cover or SDB option. If stepping down, the 32mm bore offers 402N push at 0.5MPa with a G1/8 port. If stepping up, note this 40mm bore is the largest MALJ mini size available, delivering 880N at 0.7MPa. Remember the rear adjuster is a travel stop, not a lock. For a 175mm stroke, ensure your guiding handles side loads to prevent rod bending.
Upgrade checklist
- ✓ Order the MBLJ40X175-30-S (same bore/stroke/adjust)
- ✓ Same 145–175 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 MBLJ40X175-30-S instead of this discontinued model.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-30-S FAQ
Yes, the MALJ40X175-30-S is discontinued. The exact drop-in replacement is the MBLJ40X175-30-S, which matches the 40mm bore, 175mm stroke, 30mm adjust code, and G1/4 port. You must update your sensors, as the MBLJ uses CMSG/DMSG/EMSG switches instead of the older CS1-M/DS1-M.
The bore delivers 628N push and 528N pull at 0.5MPa, 880N push at 0.7MPa, and a maximum of 128kgf at 1.0MPa. The -30 adjuster lets you trim the 175mm stroke down to a 145mm minimum, creating a 145-175mm usable window. It acts only as a travel stop and does not hold the load without air pressure.
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The MBLJ40X175-30-S replaces this model 1:1.
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