This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is MBLJ40X175-40-S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the MBLJ40X175-40-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 MALJ40X175-40-S
The AirTAC Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-40-S is a double-acting aluminum mini cylinder with a rear adjustable-stroke stopper: you can trim up to 40 mm, giving a usable end-position window from 135 to 175 mm. This model is discontinued — the drop-in replacement is the MBLJ40X175-40-S.
- BoreØ40 mm
- Stroke175 mm
- Adjust window135–175 mm
- Port sizeG1/4
- Rod threadM12×1.25
- StatusDiscontinued → MBLJ40X175-40-S
About the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-40-S
The AirTAC MALJ40X175-40-S is a discontinued double-acting single-rod mini cylinder with a 40 mm bore, 175 mm stroke, and a 40 mm rear stroke adjuster. This yields a usable end-position window of 135-175 mm. It delivers 628 N push and 528 N pull at 0.5 MPa. The exact drop-in replacement is the MBLJ40X175-40-S, matching bore, stroke, force, G1/4 port, and mounting.
This -S SKU has a magnet for CS1-M or DS1-M switches; the MBLJ replacement upgrades to CMSG, DMSG, or EMSG sensors. The original MALJ uses threaded covers, whereas the MBLJ features a riveted rolling-packed body. The rear adjuster is a travel stop, not a lock, so it will not hold a load without live air. A fixed rubber bumper softens end impacts.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-40-S Technical Specifications
| Model | Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-40-S |
|---|---|
| Series | MALJ adjustable-stroke mini cylinder (discontinued) |
| Replacement | MBLJ40X175-40-S |
| Bore size | Ø40 mm |
| Stroke | 175 mm |
| Adjustable window | 135 – 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 MBLJ40X175-40-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 MBLJ40X175-40-S matches these values.
Model Code: Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-40-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. |
| -40 | Adjustable amount: trim the end to a 135–175 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 MALJ40X175-40-S Is Used
PCB Router Z-Axis Depth
Dial the 135-175 mm window to set the exact Z-axis plunge depth on a PCB depaneling router, using the 628 N push force to maintain a rigid cut without bottoming out the spindle.
Aluminum Extrusion Press
Fine-tune the 175 mm end position on an aluminum profile stamping press, allowing operators to shift the 40 mm adjuster to accommodate varying profile thicknesses without changing tooling.
Pallet Wrapper Film Cut
Actuate the film clamp and cut assembly on a stretch wrap machine, using the 528 N pull force to sever film cleanly while the rear stopper dials the exact cut position for different pallet widths.
Replacing the Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-40-S with MBLJ40X175-40-S
To replace this MALJ40X175-40-S, order the MBLJ40X175-40-S. Confirm the 40 mm bore, 175 mm stroke, 40 mm adjust code, G1/4 PT port, and FA or LB mounting. There is no back cover or SDB option. The -S magnet changes the switch family from CS1-M/DS1-M to CMSG/DMSG/EMSG. The adjuster sets end position but does not lock the load.
When sizing, you can step down to the 32 mm bore for 402 N push at 0.5 MPa, or step up if 628 N is insufficient. At 175 mm stroke, minimize side loads to prevent rod bending. The fixed rubber bumper handles end impact; use an external lock for held loads.
Upgrade checklist
- ✓ Order the MBLJ40X175-40-S (same bore/stroke/adjust)
- ✓ Same 135–175 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 MBLJ40X175-40-S instead of this discontinued model.
Airtac MALJ40 Adjustable Mini Cylinder MALJ40X175-40-S FAQ
Yes, the MALJ40X175-40-S is discontinued. The exact drop-in replacement is the MBLJ40X175-40-S, which matches the 40 mm bore, 175 mm stroke, 40 mm adjust code, G1/4 port, and mounting. The MBLJ upgrades the threaded covers to a riveted rolling-packed body and changes the -S magnet switches from CS1-M/DS1-M to CMSG/DMSG/EMSG.
The 40 mm adjuster allows a usable stroke window of 135-175 mm. The 40 mm bore provides 628 N push and 528 N pull at 0.5 MPa, 880 N push at 0.7 MPa, and a maximum force of 128 kgf at 1.0 MPa. The rear adjuster is a travel stop, not a lock, and the cylinder uses a fixed rubber bumper.
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The MBLJ40X175-40-S replaces this model 1:1.
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