This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X110SLB, with the same bore, stroke, output force, port and mounting, so it fits the same application. 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 SU32~50 Standard Cylinder SU50X110SLB 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 direct replacement is the SAU50X110SLB, which matches its bore, stroke, force and mounting.
The AirTAC SU50X110SLB is a discontinued double-acting profile cylinder with a 50mm bore and 110mm stroke. It delivers 982N push and 825N pull at 0.5MPa. AirTAC replaced the SU line with the SAU family, making SAU50X110SLB the direct replacement. It keeps the same extruded aluminium body, 1/4" port, M16x1.5 rod thread and SC-series LB mounting, so no mechanical changes are needed.
The compact profile body is shorter than an ISO 15552 cylinder of the same bore. The -S magnet on this legacy unit works with CS1-B/DS1-B switches; the SAU replacement upgrades this to CMSG/DMSG/EMSG sensors. The SAU line also introduces the SAUF valve-integrated option the SU lacked.
| Model | Airtac SU32~50 Standard Cylinder SU50X110SLB |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X110SLB |
| 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 SAU50X110SLB 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 SAU50X110SLB produces the same force from the same bore. 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.
Holds workpieces securely during machining using the 982N push force at 0.5MPa, fitting neatly into compact tooling spaces.
Actuates routing gates on packaging lines where the 825N pull force and 110mm stroke provide reliable lateral movement.
Controls pallet flow in material handling zones by extending a 50mm bore physical stop to halt incoming inventory.
To replace this SU50X110SLB, order the SAU50X110SLB. Verify the 50mm bore, 110mm stroke, 1/4" port, M16x1.5 rod thread and the LB foot mounting. Because this SKU has the -S magnet, note the sensor family changes from CS1-B/DS1-B to CMSG/DMSG/EMSG. If sizing neighbours, a 40mm bore gives 628N push while a 63mm bore yields 1559N at 0.5MPa. For load holding, know that a plain cylinder drifts on air loss—the cushion only decelerates—so add an external rod lock or pilot-operated check valve. If you need self-switching, explore the SAUF built-in-valve variant.
Replacement checklist
Yes, the SU50X110SLB is discontinued. The direct replacement is the AirTAC SAU50X110SLB. It matches the 50mm bore, 110mm stroke, 1/4" port, output force and LB mounting. You must only update your sensors: the SU -S magnet used CS1-B/DS1-B switches, while the SAU uses CMSG/DMSG/EMSG switches.
The 50mm bore features a 1/4" air port. It delivers 982N push and 825N pull at 0.5MPa, 1374N push at 0.7MPa, and a theoretical maximum of 200kgf at 1.0MPa. The piston rod is 20mm with an M16x1.5 thread, operating at 30-800mm/s.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X110SLB replacement — usually within 7-8 hours.