This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X32S, 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 Airtac SU32~50 Standard Cylinder SU50X32S is a double-acting profile-type standard cylinder with a Ø50mm bore and 32mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU50X32S, which matches its bore, stroke, force and mounting.
The AirTAC SU50X32S is a discontinued double-acting profile cylinder with a 50mm bore and 32mm stroke. Delivering 982N push force at 0.5MPa, its extruded aluminum body is more compact than an ISO 15552 unit. The direct replacement is the SAU50X32S, matching the bore, stroke, 1/4" port, and SC-series mounting.
When upgrading, the SAU body retains the original dimensions but modernizes the sensor groove. Your existing CS1-B/DS1-B switches must change to CMSG/DMSG/EMSG sensors. The SAU line also introduces the SAUF variant with a built-in 4M solenoid valve.
| Model | Airtac SU32~50 Standard Cylinder SU50X32S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X32S |
| Bore size | Ø50 mm |
| Stroke | 32 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 SAU50X32S 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 SAU50X32S 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. |
| ×32 | 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.
Pushes light cartons off a sorting line using a 32mm stroke, benefiting from the compact profile body to fit tight conveyor frames.
Ejects machined parts from a fixture with 589N of safe working force, handling the repetitive cycle at speeds up to 800 mm/s.
Acts as a short-stroke stop block for pallets, using the 50kg vertical lift capacity to hold or index goods securely.
To replace this cylinder, order the SAU50X32S. Verify your thread type (PT/G/NPT) and SC-series mounting (LB/FA/FB/CA/CB). Because this is an -S model, note the mandatory sensor swap: legacy CS1-B/DS1-B switches are replaced by CMSG/DMSG/EMSG sensors. If you need higher force, the 63mm bore offers 1559N at 0.5MPa; for lower force, the 40mm bore provides 628N. A plain cylinder drifts on air loss—the cushion only decelerates—so add an external rod lock for held loads. The SAUF valve-integrated option is available if you need self-switching.
Replacement checklist
Yes, the SU50X32S is discontinued. The direct replacement is the SAU50X32S. It matches the 50mm bore, 32mm stroke, 982N output force, 1/4" port, and SC-series mounting accessories. You can install it directly into your existing setup.
At 0.5 MPa it pushes 982N and pulls 825N; at 0.7 MPa it pushes 1374N, with a theoretical max of 200 kgf at 1.0 MPa. Because this is an -S model, it used legacy CS1-B/DS1-B sensors. The SAU50X32S replacement requires current CMSG/DMSG/EMSG switches.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X32S replacement — usually within 7-8 hours.