This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is B05-MBL20X50S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the B05-MBL20X50S in place of this model. The MBL replacement upgrades to a riveted rolling-packed body and the current CMSG / DMSG / EMSG sensor switches (the MAL used CS1-M / DS1-M).
Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S
The AirTAC Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S is a double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 50mm stroke, G1/8 air ports and a fixed rubber bumper. This model is discontinued — the drop-in replacement is the B05-MBL20X50S, which matches its bore, stroke, force and mounting.
- BoreØ20 mm
- Stroke50 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM8×1.25
- StatusDiscontinued → B05-MBL20X50S
About the Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S
The AirTAC B05-MAL20X50S is a discontinued compact double-acting aluminum mini round cylinder. The B05- prefix marks this as a robot and manipulator pick-and-place dedicated variant, though mechanically it is identical to the base MAL20X50S. It delivers 157 N of push force and 132 N of pull force at 0.5 MPa, utilizing a G1/8 port and an 8 mm carbon-steel rod with 20 um hard chrome plating. AirTAC has ended this line, so the exact drop-in replacement is the MBL20X50S, matching the original bore, stroke, force, port, and mounting.
The legacy MAL body used threaded front and back covers, whereas the current MBL replacement features a riveted rolling-packed body for equally robust performance. Because this SKU includes the -S magnet, it originally paired with CS1-M or DS1-M reed switches; upgrading to the MBL means transitioning to the modern CMSG, DMSG, or EMSG sensor families. The internal piston relies on a heterogeneous two-way seal that retains grease, and the front cover uses a self-lubricating bearing guide to support the rod.
Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S Technical Specifications
| Model | Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S |
|---|---|
| Series | MAL aluminum-barrel mini round cylinder (discontinued) |
| Replacement | B05-MBL20X50S |
| Bore size | Ø20 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| 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 500 mm |
Specifications follow the official AirTAC MAL datasheet (now discontinued). The B05-MBL20X50S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø20mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 157 N | 132 N |
| 0.7 MPa | 220 N | — |
| Max (@1.0 MPa) | 32 kgf | |
The B05-MBL20X50S produces the same force from the same bore — a true drop-in on output. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S
| MAL | Aluminum-barrel mini round cylinder, double acting (discontinued). |
|---|---|
| 20 | Bore size in mm (20/25/32/40). |
| ×50 | Stroke length in mm. |
| S | Optional magnet for a CS1-M / DS1-M sensor (MBL uses CMSG/DMSG/EMSG). |
| CA / U / CM | Back cover: CA pivot, U flat-end or CM round-end. |
Replacement mapping: MAL → MBL, MSAL → MSBL, MTAL → MTBL, MALD → MBLD, MALJ → MBLJ.
Where the Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S Is Used
Pick-and-Place Chucks
Drives the vertical Z-axis motion on small assembly robot chucks, using its 50 mm stroke to lift light electronic components with 157 N of push force.
PCB Board Handling
Actuates soft gripper jaws in surface mount technology lines, where the compact 20 mm aluminum body fits neatly between conveyor lanes.
Tray Indexing Pushers
Pushes empty product trays into loading fixtures on packaging manipulators, benefiting from the self-lubricating guide bearing for millions of rapid cycles.
Replacing the Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S with B05-MBL20X50S
To replace the B05-MAL20X50S, order the MBL20X50S. Confirm your 20 mm bore, 50 mm stroke, G1/8 port, and default PT thread. The -S magnet carries over, but you must update your sensors from the old CS1-M / DS1-M to the current CMSG / DMSG / EMSG series. If your pick-and-place cycle requires end-of-stroke deceleration, note that the MAL only has a fixed rubber bumper; for an adjustable air cushion, you would need to step up to the MBLC variant on the current line.
For sizing flexibility, stepping down is not an option as 20 mm is the smallest available bore. If you need more force, the next size up is the 25 mm bore, which provides 245 N of push force at 0.5 MPa. Keep in mind that a plain cylinder does not hold its position if air pressure drops; the bumper only softens impacts. For vertical pick-and-place loads that must not drift, add an external rod lock or a pilot-operated check valve.
Upgrade checklist
- ✓ Order the B05-MBL20X50S (same bore/stroke/force)
- ✓ Same G1/8 port and mounting accessories
- ✓ Sensor: swap CS1-M/DS1-M → CMSG/DMSG/EMSG
- ✓ Need a cushion? use MBLC (adjustable air cushion)
- ✓ Confirm back cover (CA / U) and thread (PT/NPT/G)
Installation & Maintenance Notes
- check Use clean air filtered to 40µm or finer.
- check Keep within 0.1 – 1.0 MPa operating pressure.
- check Avoid side load on the piston rod.
- check Front/rear covers are threaded — not intended for field disassembly.
- check Use the correct mounting accessory (LB / FA / SDB) and back cover (CA / U / CM).
- check For new builds, specify the B05-MBL20X50S instead of this discontinued model.
Airtac B05-MAL Robot-Dedicated Pneumatic Cylinder B05-MAL20X50S FAQ
Yes, the B05-MAL20X50S is discontinued. The exact drop-in replacement is the MBL20X50S, which shares the same 20 mm bore, 50 mm stroke, G1/8 port, and mounting dimensions. The B05- prefix simply indicated it was dedicated to manipulator and pick-and-place robot arms, and the MBL equivalent will perform identically in those applications.
At 0.5 MPa, the push force is 157 N and the pull force is 132 N. At 0.7 MPa, the push force is 220 N, with a maximum theoretical force of 32 kgf at 1.0 MPa. Because this model includes the -S magnet, it works with older CS1-M and DS1-M switches on the MAL, but the MBL replacement requires the newer CMSG, DMSG, or EMSG sensor families.
Authorized Export Seller
Genuine AirTAC parts produced by AirTAC factory.
Drop-in Upgrade
The B05-MBL20X50S replaces this model 1:1.
Fast Dispatch
MBL replacements usually ship in 3-4 days.
Fast Reply
Most inquiries answered within 7-8 hours.
Recommended AirTAC MBL Replacements
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