This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is B01-MBL20X350U — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the B01-MBL20X350U 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-MAL20X350U
The AirTAC Airtac B01-MAL Special Purpose Cylinder B01-MAL20X350U is a double-acting aluminum-barrel mini round cylinder with a Ø20mm bore and 350mm stroke, G1/8 air ports and a fixed rubber bumper. This model is discontinued — the drop-in replacement is the B01-MBL20X350U, which matches its bore, stroke, force and mounting.
- BoreØ20 mm
- Stroke350 mm
- Port sizeG1/8
- Acting typeDouble acting
- Rod threadM8×1.25
- StatusDiscontinued → B01-MBL20X350U
About the Airtac B01-MAL Special Purpose Cylinder B01-MAL20X350U
The AirTAC B01-MAL20X350U is a discontinued double-acting aluminum mini round cylinder with a 20mm bore and 350mm stroke. The leading "B01-" prefix marks this as an application-dedicated (customer-specified) variant of the base MAL20X350U, meaning it is mechanically identical to the standard catalog cylinder. It delivers 157N of push force and 132N of pull force at 0.5MPa. AirTAC replaced the MAL family with the MBL series, making the MBL20X350U the exact drop-in replacement. It shares the same bore, stroke, output force, G1/8 port, and U flat-end back cover.
This legacy model features a threaded front and rear cover assembly, whereas the current MBL upgrade utilizes a riveted rolling-packed body. The cylinder relies on a fixed rubber bumper for end-of-stroke deceleration rather than an adjustable air cushion. Because this specific SKU lacks the -S magnet option, it cannot support a position sensor. The internal piston uses a heterogeneous two-way seal that retains grease, running alongside a self-lubricating front-cover bearing guide and a carbon-steel rod with 20um hard-chrome plating.
Airtac B01-MAL Special Purpose Cylinder B01-MAL20X350U Technical Specifications
| Model | Airtac B01-MAL Special Purpose Cylinder B01-MAL20X350U |
|---|---|
| Series | MAL aluminum-barrel mini round cylinder (discontinued) |
| Replacement | B01-MBL20X350U |
| Bore size | Ø20 mm |
| Stroke | 350 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 B01-MBL20X350U 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 B01-MBL20X350U 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-MAL20X350U
| MAL | Aluminum-barrel mini round cylinder, double acting (discontinued). |
|---|---|
| 20 | Bore size in mm (20/25/32/40). |
| ×350 | 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-MAL20X350U Is Used
PCB Conveyor Diverter
Pushes populated PCB boards sideways between belt tracks over a 350mm travel distance, utilizing the 157N push force to overcome guide-rail friction without damaging the board.
Carton Label Applicator
Extends a labeling head 350mm down a packaging lane to apply barcodes on moving cartons, where the compact 20mm bore fits within tight side-frame clearances.
Wafer Cassette Ejector
Probes and ejects individual silicon wafers from a cassette slot, relying on the 132N pull force at 0.5MPa to retract the probe safely in semiconductor handling tools.
Replacing the Airtac B01-MAL Special Purpose Cylinder B01-MAL20X350U with B01-MBL20X350U
To replace the B01-MAL20X350U, order the MBL20X350U. Confirm your 20mm bore, 350mm stroke, G1/8 port, PT thread, and the U flat-end back cover. Since this SKU has no -S magnet, it cannot accept a sensor; if you need position detection on the new unit, add the -S option to the MBL and note that the sensor family changes from the older CS1-M / DS1-M to the current CMSG / DMSG / EMSG switches. The plain bumper will not hold a load if air pressure drops, so install an external rod lock or pilot-operated check valve for safety.
When sizing, the 20mm bore provides 157N push at 0.5MPa. If you need less force, there is no smaller MAL size, so you must look outside the mini round family. If you need more power, stepping up to the 25mm bore yields 245N push at 0.5MPa. Because the stroke is 350mm, the 8mm rod is susceptible to bending under lateral stress; use a CA or SDB pivot mount, or add an external guide rail to prevent side-load damage. If precise end-stop deceleration is required, transition to the MBLC variant which offers adjustable air cushions.
Upgrade checklist
- ✓ Order the B01-MBL20X350U (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-MBL20X350U instead of this discontinued model.
Airtac B01-MAL Special Purpose Cylinder B01-MAL20X350U FAQ
Yes, the B01-MAL20X350U is discontinued. The exact drop-in replacement is the MBL20X350U. The "B01-" prefix simply designates an application-specific build of the standard MAL20X350U, so the MBL20X350U matches it exactly on bore, stroke, force, G1/8 port, and U flat-end cover. The main physical change is that the MBL uses a riveted rolling-packed body instead of the older threaded covers.
At 0.5MPa it provides 157N push and 132N pull; at 0.7MPa the push force is 220N, with a theoretical maximum of 32kgf at 1.0MPa. This specific SKU lacks a magnet, so it cannot accept a position sensor. If you order the MBL replacement with the -S magnet option, you must use the current CMSG / DMSG / EMSG switches rather than the legacy CS1-M / DS1-M sensors.
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Drop-in Upgrade
The B01-MBL20X350U replaces this model 1:1.
Fast Dispatch
MBL replacements usually ship in 3-4 days.
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Most inquiries answered within 7-8 hours.
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