This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU100X75S, 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 SU63-100 Standard Cylinder SU100X75S is a double-acting profile-type standard cylinder with a Ø100mm bore and 75mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU100X75S, which matches its bore, stroke, force and mounting.
The AirTAC SU100X75S is a discontinued double-acting profile cylinder with a 100mm bore and 75mm stroke, delivering 3927 N of push force at 0.5 MPa. Its extruded aluminum barrel makes it shorter than a standard ISO 15552 unit of the same bore, while retaining SC-series mounting compatibility. The direct replacement is the SAU100X75S, matching the original 1/2" port, M20x1.5 rod thread, and output force.
When upgrading, note that the SAU100X75S uses modern CMSG/DMSG/EMSG sensors instead of this unit's legacy CS1-B/DS1-B switches, and the SAUF variant adds a built-in valve the SU line lacked. A plain cylinder drifts without live air, so use an external rod lock for held loads.
| Model | Airtac SU63-100 Standard Cylinder SU100X75S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU100X75S |
| Bore size | Ø100 mm |
| Stroke | 75 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU100X75S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAU100X75S 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). |
|---|---|
| 100 | Bore size in mm. |
| ×75 | 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 heavy stamping dies requiring high force, using the 7068 N push at 0.9 MPa to form thick metal blanks reliably.
Secures large structural steel frames during welding operations, maintaining clamping pressure with its 100mm bore profile body.
To replace this SU100X75S, order the SAU100X75S direct equivalent, verifying your 1/2" port, M20x1.5 rod thread, and SC-series mounting hardware. Because this SKU includes a magnet (-S), you must migrate from legacy CS1-B/DS1-B switches to the current CMSG/DMSG/EMSG sensor family. If you need to size up or down, neighboring bores (80mm or 63mm) offer 2513 N or 1559 N push at 0.5 MPa respectively. For load holding, remember the air cushion only decelerates; install a pilot-operated check valve or external rod lock to prevent drift. The SAUF built-in 4M solenoid valve option is also available if you need self-switching. At 75mm stroke, side-load risks are minimal, but always ensure rigid alignment.
Replacement checklist
Yes, the SU100X75S is discontinued. The direct replacement is the AirTAC SAU100X75S. It shares the same 100mm bore, 75mm stroke, 1/2" port, output force, and SC-series mounting, so it drops directly into your existing fixture.
This 100mm bore cylinder delivers 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, and a theoretical max of 801 kgf at 1.0 MPa. Because this is an -S magnet model, the original CS1-B/DS1-B switches are obsolete; the SAU replacement requires CMSG/DMSG/EMSG sensors.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU100X75S replacement — usually within 7-8 hours.