This model is discontinued
AirTAC has phased out the MAL series. The drop-in replacement is SAUD50X110 — same bore, stroke, output force, port and mounting, so it fits the same application. Simply order the SAUD50X110 in place of this model. The SAU replacement uses the same profile body, bore, stroke, force and SC-series mounting. It moves to the current CMSG / DMSG / EMSG sensor switches (the SU used CS1-B / DS1-B) and adds the SAUF valve-integrated option.

The AirTAC Airtac SUD Series Double Rod Cylinder SUD50X110 is a double-acting profile-type standard cylinder with a Ø50mm bore and 110mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the drop-in replacement is the SAUD50X110, which matches its bore, stroke, force and mounting.
The AirTAC SUD50X110 is a double-acting, double-rod profile cylinder featuring a 50mm bore and 110mm stroke. Because a rod exits both ends, the working area is identical on both piston faces, generating equal push and pull force of 825N at 0.5MPa, 1154N at 0.7MPa, and 1484N at 0.9MPa. This model is discontinued; the exact drop-in replacement is the SAUD50X110, which matches the 1/4" port, M16x1.5 rod thread, and FA/LB mounting.
The dual-rod architecture prevents piston rotation and allows the rear rod to drive a second tool simultaneously. Based on the 825N output at 0.5MPa, the safe working load is roughly 495N, yielding a vertical lift capacity of about 42kg with a 2:1 margin. Note that this non-magnetic SKU cannot accept switches, and the air cushion only decelerates the load near stroke end without locking it.
| Model | Airtac SUD Series Double Rod Cylinder SUD50X110 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUD50X110 |
| Bore size | Ø50 mm |
| Stroke | 110 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| 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, 21 mm |
| Max standard stroke | Up to 1200 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUD50X110 carries the same 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 SAUD50X110 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.
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×110 | Stroke length in mm. |
| -S | Optional built-in magnet for sensor position sensing. |
Legacy SU-family variants: SUD (double rod), SUJ (adjustable stroke) — each maps to its SAU equivalent (SUD→SAUD, SUJ→SAUJ). The current SAU line adds the SAUF valve-integrated option.
Drives two separate workstations simultaneously using both protruding rods, ensuring perfectly synchronized machining or clamping operations.
Transfers parts along a conveyor without rotational drift, as the twin rods prevent the piston from twisting under offset loads.
Lifts and lowers guided platens with equal force in both directions, providing stable deceleration via the 21mm cushions at each end.
To replace the discontinued SUD50X110, order the SAUD50X110 drop-in equivalent, which preserves the 50mm bore, 110mm stroke, and equal-both-ways force. Because force is symmetric, sizing is straightforward: if 825N at 0.5MPa is insufficient, step up to the 63mm bore (1402N), or drop to the 40mm bore (528N) if less force is needed. Choose a double-rod cylinder when anti-rotation or dual-tool driving is required. Mounting is limited to Basic, FA, and LB styles (SC-series compatible only). This non-magnetic SKU cannot accept sensors, but if upgrading to an SAUD with the -S suffix, switch from legacy CS1-B/DS1-B to current CMSG/DMSG/EMSG switches. For this 110mm stroke, ensure the front and rear tools are aligned to avoid binding, and use an external rod lock for load holding.
Replacement checklist
Yes, the SUD50X110 is discontinued. The exact drop-in replacement is the SAUD50X110, which matches the 50mm bore, 110mm stroke, 1/4" port, and FA/LB mounting. The SAUD uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B.
Force is equal both ways: 825N at 0.5MPa, 1154N at 0.7MPa, and 1484N at 0.9MPa. Operating speed is 30-800mm/s. The 1/4" port and 21mm adjustable cushions manage deceleration, but an external rod lock is required for load holding.
Send us the quantity and destination. We confirm price, stock and lead time on the SAUD50X110 replacement — usually within 7-8 hours.