This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU32X120S, 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 SU32X120S is a double-acting profile-type standard cylinder with a Ø32mm bore and 120mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU32X120S, which matches its bore, stroke, force and mounting.
The AirTAC SU32X120S is a discontinued double-acting profile-type cylinder with a 32mm bore and 120mm stroke. Delivering 402N push force at 0.5MPa, it features an extruded aluminum body that is more compact than an ISO 15552 unit of the same size. AirTAC replaced this legacy unit with the SAU32X120S, a direct upgrade retaining the exact bore, stroke, 1/8" port, M10x1.25 rod thread, and SC-series mounting.
Because this is an -S SKU, it has a piston magnet for legacy CS1-B/DS1-B switches; the SAU replacement switches to current CMSG/DMSG/EMSG sensors. The SAU family also introduces a SAUF variant with a built-in 4M solenoid valve that the SU line lacked.
| Model | Airtac SU32~50 Standard Cylinder SU32X120S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU32X120S |
| Bore size | Ø32 mm |
| Stroke | 120 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 1000 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU32X120S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAU32X120S 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). |
|---|---|
| 32 | Bore size in mm. |
| ×120 | 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.
Secures delicate electronic components during automated assembly, using the 402N push force to hold without crushing.
Actuates a short 120mm stroke pusher arm to redirect lightweight cartons on a high-speed sorting line.
Opens and closes access hoppers on material dispensing stations where a compact profile body is required.
To replace this SU32X120S, order the SAU32X120S. Confirm your 1/8" port thread (PT/G/NPT) and SC-series mounting (LB/FA/FB/CA/CB/TC). If moving up, a 40mm bore yields 628N push at 0.5MPa; stepping down is not advised for this class. The 120mm stroke is under the 1000mm max, so no side-load guide is needed. Note the -S magnet: your old CS1-B/DS1-B switches will not fit the SAU, so budget for CMSG/DMSG/EMSG sensors. For loads that must not drift on air loss, add an external rod lock or pilot-operated check valve, as cushions only decelerate. If you need integrated control, explore the SAUF valve-cylinder variant.
Replacement checklist
Yes, the AirTAC SU32X120S is discontinued. The direct replacement is the SAU32X120S. It shares the same 32mm bore, 120mm stroke, 402N force, 1/8" port, and SC-series mounting, so it drops right into your existing application.
At 0.5MPa it pushes 402N and pulls 345N; at 0.7MPa it pushes 563N, with a theoretical max of 82kgf at 1.0MPa. Because this is an -S model with a magnet, it used legacy CS1-B/DS1-B switches. The SAU32X120S replacement requires the newer CMSG/DMSG/EMSG sensor family.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU32X120S replacement — usually within 7-8 hours.