This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is B06-SAI50X300S — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the B06-SAI50X300S in place of this model. The SAI replacement keeps the same ISO 15552 mounting interface, bore, stroke, output force and accessories, so it drops straight into existing fixtures. It is the current-production version of this cylinder with an upgraded piston seal.

The AirTAC Airtac B06-SI Battery Dedicated ISO Standard Cylinder B06-SI50X300S is a double-acting ISO 15552 (orig. ISO 6431) profile-barrel cylinder with a Ø50mm bore and 300mm stroke, G1/4 air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the B06-SAI50X300S, which matches its ISO interface, bore, stroke, force and mounting.
The AirTAC B06-SI50X300S is a discontinued double-acting ISO 15552 profile cylinder. The "B06-" prefix designates it as a battery-manufacturing dedicated variant of the SI50X300S, engineered for cell, module and pack assembly lines. Mechanically identical to the base model, it delivers 982 N push force at 0.5 MPa through a 50 mm bore, 300 mm stroke, and G1/4 port.
Because the SI line is end-of-life, you should order the drop-in SAI50X300S replacement. It shares the exact ISO 15552 mounting interface, bore, stroke, force, and port. The SAI features an upgraded piston seal with two Y-shaped one-way elements for low start-up pressure and extended life. For your sizing, the safe working load is roughly 589 N (60% of the 0.5 MPa push), equating to a 50 kg vertical lift with a 2:1 margin. The -S magnet works with legacy CS1-B/DS1-B sensors.
| Model | Airtac B06-SI Battery Dedicated ISO Standard Cylinder B06-SI50X300S |
|---|---|
| Series | SI ISO 15552 profile cylinder (discontinued) |
| Replacement | B06-SAI50X300S |
| Bore size | Ø50 mm |
| Stroke | 300 mm |
| Acting type | Double acting |
| Port size | G1/4 |
| Rod thread | M16×1.5 |
| Fluid | Air (filtered by 40µm element) |
|---|---|
| Operating pressure | 0.15 – 1.0 MPa |
| Proof pressure | 1.5 MPa |
| Temperature | -20 to +70 °C |
| Speed range | 30 – 800 mm/s |
| Cushion | Adjustable, 30 mm |
| Max standard stroke | Up to 1200 mm |
Specifications follow the official AirTAC SI datasheet (now discontinued). The B06-SAI50X300S carries the same ISO 15552 ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
The B06-SAI50X300S 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.
| SI | ISO 15552 profile-barrel cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×300 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SI-family variants: SID (double rod), SIJ (adjustable stroke) — each maps to its SAI equivalent (SID→SAID, SIJ→SAIJ). Rod material: carbon steel (blank) / SUS420J2 (A) / SUS304 (B).
Drives precision stacking mechanisms in lithium-ion cell production, utilizing the 300 mm stroke to format electrode sheets with a 982 N push force at 0.5 MPa.
Transfers battery modules along assembly conveyors. The ISO 15552 profile barrel integrates cleanly into existing battery line fixtures without requiring redesign.
Applies clamping pressure for busbar and tab welding in pack assembly. The G1/4 port ensures rapid actuation within the 30-800 mm/s speed range.
To replace this B06-SI50X300S, order the SAI50X300S. Confirm the ISO 15552 mounting interface, 50 mm bore, 300 mm stroke, G1/4 port (PT/G/NPT thread options), and the -S magnet for CS1-B/DS1-B switches. Sizing both ways: the 50 mm bore yields 982 N push at 0.5 MPa, while the adjacent 40 mm bore gives 628 N and the 63 mm bore gives 1559 N. Note that a plain cylinder drifts on air loss; the cushion only decelerates. For battery line load-holding, use an external rod lock, pilot check valve, or the SAIL/BSAI lock variants. Since the 300 mm stroke is long, add external guides to prevent rod bending and side-load wear.
Replacement checklist
Yes, the B06-SI50X300S (a battery-manufacturing dedicated variant of the SI50X300S) is discontinued. The exact drop-in replacement is the SAI50X300S. It is dimensionally interchangeable per ISO 15552, retaining the same 50 mm bore, 300 mm stroke, output force, G1/4 port, and mounting interface. The SAI family also adds SAIL, SAIF, and BSAI variants the SI lacked.
The 50 mm bore uses a G1/4 air port and an M16x1.5 rod thread. Force ratings are: 982 N push and 825 N pull at 0.5 MPa; 1374 N push at 0.7 MPa; 1767 N push at 0.9 MPa; and a theoretical max of 200 kgf at 1.0 MPa. Operating speed is 30-800 mm/s.
Send us the quantity and destination. We confirm price, stock and lead time on the B06-SAI50X300S replacement — usually within 7-8 hours.