This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is MBLD20X40 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the MBLD20X40 in place of this model. The MBLD replacement upgrades to a riveted rolling-packed body and CMSG / DMSG / EMSG sensors (the MAL used CS1-M / DS1-M).
Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40
The AirTAC Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40 is a double-acting, double-rod aluminum mini cylinder: a rod exits both ends of the Ø20mm bore, so push and pull force are equal. This model is discontinued — the drop-in replacement is the MBLD20X40, matching bore, stroke, force and mounting.
- BoreØ20 mm
- Stroke40 mm
- Port sizeG1/8
- Acting typeDouble acting, double rod
- Rod threadM8×1.25
- StatusDiscontinued → MBLD20X40
About the Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40
The AirTAC MALD20X40 is a discontinued double-acting, double-rod mini cylinder. A rod exits both ends, yielding equal force both ways at 132 N at 0.5 MPa. The exact drop-in replacement is the MBLD20X40, matching the 20 mm bore, 40 mm stroke, G1/8 port and mounting.
This SKU has no magnet and cannot accept a position sensor. The original MALD uses threaded covers and a fixed rubber bumper, while the MBLD upgrade features a riveted rolling-packed body. Twin rods provide high anti-rotation resistance and allow mounting a rear flag or cam.
Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40 Technical Specifications
| Model | Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40 |
|---|---|
| Series | MALD double-rod mini cylinder (discontinued) |
| Replacement | MBLD20X40 |
| Bore size | Ø20 mm |
| Stroke | 40 mm |
| Acting type | Double acting, double rod |
| 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 |
Double-rod types have no back-cover code and no SDB pivot; mount on the body, LB foot or FA flange. The MBLD20X40 carries the same ratings.
Output Force — Equal Both Ways (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 132 N | 132 N |
| 0.7 MPa | 185 N | 185 N |
| Max (@1.0 MPa) | 27 kgf | |
A rod exits both ends, so the effective area — and force — is equal in both directions. The MBLD20X40 matches these values.
Model Code: Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40
| MALD | Double-rod aluminum mini cylinder, double acting (discontinued). |
|---|---|
| 20 | Bore size in mm (20/25/32/40). |
| ×40 | Stroke length in mm. |
| S | Optional magnet for a CS1-M / DS1-M sensor (MBLD uses CMSG/DMSG/EMSG). |
Replacement: MALD → MBLD. No back-cover (CA/U/CM) and no SDB on double-rod. Mounting: LB / FA.
Where the Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40 Is Used
PCB Edge Guiding
Guides printed circuit boards on a conveyor using the twin rods to prevent chuck rotation, ensuring precise 132 N tracking without yaw.
Dual-Pick Vacuum Heads
Mounts two small vacuum suction cups on opposite rod ends to pick and place microchip packages simultaneously in a tester.
Label Cam Trigger
Uses the rear rod extension as a mechanical cam to trip a label applicator switch while the front rod pushes the 40 mm stroke.
Replacing the Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40 with MBLD20X40
Replace the MALD20X40 with the MBLD20X40. Confirm the 20 mm bore, 40 mm stroke, G1/8 PT port, M8x1.25 rod-end thread and FA/LB mounting. Because this is the smallest available bore, you can only step up to the 25 mm size, which provides 206 N at 0.5 MPa if your application needs more force. Size using the equal 132 N push and pull figures. The MBLD upgrades the sensor family from CS1-M/DS1-M to CMSG/DMSG/EMSG, but this no-magnet SKU cannot take a sensor.
Upgrade checklist
- ✓ Order the MBLD20X40 (same bore/stroke/force)
- ✓ Force equal both ways (132 N at 0.5 MPa)
- ✓ Twin rods for anti-rotation / rear flag
- ✓ No back cover / SDB — plan a body or 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 Protect both rod ends from side load on long strokes.
- check No back-cover / SDB on double-rod — use body / FA / LB.
- check Front/rear covers are threaded — not for field disassembly.
- check For new builds, specify the MBLD20X40 instead of this discontinued model.
Airtac MALD Aluminum Alloy Mini Cylinder MALD20X40 FAQ
Yes, the MALD20X40 is discontinued. The exact drop-in replacement is the MBLD20X40, which matches the 20 mm bore, 40 mm stroke, G1/8 port and force. The MBLD upgrades the body to a riveted rolling-packed design.
Force is equal because a rod exits both ends, making the annulus area identical on both sides. The push and pull forces are 132 N at 0.5 MPa, 185 N at 0.7 MPa, and the maximum force is 27 kgf at 1.0 MPa.
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Genuine AirTAC parts produced by AirTAC factory.
Drop-in Upgrade
The MBLD20X40 replaces this model 1:1.
Fast Dispatch
MBLD replacements usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
Recommended AirTAC MBLD Replacements
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