This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is B01-MBL25X50U — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the B01-MBL25X50U 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 B01-MAL Special Purpose Cylinder B01-MAL25X50U
The AirTAC Airtac B01-MAL Special Purpose Cylinder B01-MAL25X50U is a double-acting aluminum-barrel mini round cylinder with a Ø25mm bore and 50mm stroke, G1/8 air ports and a fixed rubber bumper. This model is discontinued — the drop-in replacement is the B01-MBL25X50U, which matches its bore, stroke, force and mounting.
- BoreØ25 mm
- Stroke50 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → B01-MBL25X50U
About the Airtac B01-MAL Special Purpose Cylinder B01-MAL25X50U
The AirTAC B01-MAL25X50U is a discontinued compact double-acting aluminum mini round cylinder. The leading "B01-" prefix marks this as an application-dedicated (customer-specified) variant of the base MAL25X50U, meaning it is mechanically identical to the standard model. Delivering 245 N push and 206 N pull at 0.5 MPa, it is built for tight spaces. AirTAC replaced the entire MAL line with the MBL series, making the MBL25X50U your exact drop-in replacement. It shares the same 25 mm bore, 50 mm stroke, G1/8 port, and U flat-end rear cover.
This SKU features a U flat-end back cover for rigid, straight-line mounting without pivot articulation. Because it lacks the -S suffix, this specific cylinder cannot accept a position sensor. The original MAL body uses threaded front and back covers, whereas the modern MBL replacement features a riveted rolling-packed body for structural rigidity. Both generations rely on a fixed rubber bumper at the stroke ends rather than an adjustable air cushion.
Airtac B01-MAL Special Purpose Cylinder B01-MAL25X50U Technical Specifications
| Model | Airtac B01-MAL Special Purpose Cylinder B01-MAL25X50U |
|---|---|
| Series | MAL aluminum-barrel mini round cylinder (discontinued) |
| Replacement | B01-MBL25X50U |
| Bore size | Ø25 mm |
| Stroke | 50 mm |
| Acting type | Double acting |
| 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 500 mm |
Specifications follow the official AirTAC MAL datasheet (now discontinued). The B01-MBL25X50U carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø25mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 245 N | 206 N |
| 0.7 MPa | 344 N | — |
| Max (@1.0 MPa) | 50 kgf | |
The B01-MBL25X50U 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 B01-MAL Special Purpose Cylinder B01-MAL25X50U
| MAL | Aluminum-barrel mini round cylinder, double acting (discontinued). |
|---|---|
| 25 | 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 B01-MAL Special Purpose Cylinder B01-MAL25X50U Is Used
PCB Depaneling Router
Pushes a fixture to clamp printed circuit boards during router cutting, using the 245 N force at 0.5 MPa to hold the panel securely without flexing the thin substrate.
Carton Flap Folder
Extends 50 mm to fold minor corrugated box flaps prior to tape sealing, fitting neatly into compact packaging machine frames via the rigid U flat-end mount.
Lab Tube Indexer
Drives a small carrier in a diagnostic analyzer to step microcentrifuge tubes into the scanning window, relying on the self-lubricating front-cover bearing for smooth cycling.
Replacing the Airtac B01-MAL Special Purpose Cylinder B01-MAL25X50U with B01-MBL25X50U
To replace the B01-MAL25X50U, order the MBL25X50U. Confirm your 25 mm bore, 50 mm stroke, G1/8 port, and default PT tapered thread. The U flat-end back cover provides a rigid rear mount, so ensure your mechanical setup does not require arcing pivot motion. Because this SKU lacks the -S magnet, it cannot support a position sensor; if you need end-of-stroke detection, step up to an MBL25X50US and note that the modern MBL uses CMSG / DMSG / EMSG switches instead of the older CS1-M / DS1-M family.
For sizing, if 245 N push at 0.5 MPa is too much force, step down to the 20 mm bore (157 N push at 0.5 MPa). If you need more power, step up to the 32 mm bore (402 N push at 0.5 MPa). Remember that a plain cylinder does not hold its load when air is lost; the bumper only softens the stroke end. For a held load, add an external rod lock or pilot-operated check valve. If your application requires adjustable end-cushioning rather than a fixed rubber bumper, look at the current MBLC line.
Upgrade checklist
- ✓ Order the B01-MBL25X50U (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 B01-MBL25X50U instead of this discontinued model.
Airtac B01-MAL Special Purpose Cylinder B01-MAL25X50U FAQ
Yes, the B01-MAL25X50U is discontinued. The exact drop-in replacement is the MBL25X50U. It matches the 25 mm bore, 50 mm stroke, G1/8 port, and U flat-end cover. The "B01-" prefix simply marked this as an application-dedicated variant of the MAL25X50U, so the MBL25X50U fits identically.
At 0.5 MPa, the push force is 245 N and the pull force is 206 N. At 0.7 MPa, the push force is 343 N. The maximum theoretical force is 50 kgf at 1.0 MPa. Note that because this SKU lacks the -S magnet, it cannot accept CS1-M or DS1-M position sensors.
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Drop-in Upgrade
The B01-MBL25X50U replaces this model 1:1.
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MBL replacements usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
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