This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU100X75SCA, 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 SU63-100 Standard Cylinder SU100X75SCA 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 SAU100X75SCA, which matches its bore, stroke, force and mounting.
The AirTAC SU100X75SCA is a discontinued double-acting profile-type cylinder with a 100mm bore and 75mm stroke, delivering 3927N of push force at 0.5MPa. AirTAC replaced this end-of-line unit with the SAU100X75SCA, a direct alternative retaining the exact 1/2" port, M20x1.5 rod thread, CA mounting interface, and 29mm adjustable cushions.
Because the original extruded aluminum body is shorter than an ISO 15552 cylinder of the same bore, it saves machine space while reusing SC-series accessories. The SAU upgrade switches the -S magnet compatibility from legacy CS1-B/DS1-B switches to current CMSG/DMSG/EMSG sensors, and introduces the SAUF built-in-valve variant the SU line lacked.
| Model | Airtac SU63-100 Standard Cylinder SU100X75SCA |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU100X75SCA |
| 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 SAU100X75SCA 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 SAU100X75SCA 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.
Secures large steel plates in a machining fixture using 3927N of push force at 0.5MPa, with the CA mount absorbing heavy off-center shear.
Drives a 75mm vertical lift for loaded pallets up to 200kg, relying on the compact profile body to fit tight conveyor transfer zones.
Ejects dense plastic components from molding tools, utilizing the 29mm adjustable air cushions to soften end-of-stroke impact.
To replace the SU100X75SCA, order the SAU100X75SCA and verify your 1/2" port threads (PT, G, or NPT) and the CA mounting bracket. If your machine used the -S magnet for position sensing, note that the SAU requires CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B. Sizing both ways: if you need less force, a neighboring 80mm bore provides 2513N push at 0.5MPa, whereas staying at 100mm yields 5497N at 0.7MPa. A plain cylinder drifts on air loss—the cushion only decelerates—so use an external rod lock for held loads. The SAUF valve-integrated option can simplify actuation if you lack manifold space.
Replacement checklist
Yes, the SU100X75SCA is discontinued. The direct replacement is the AirTAC SAU100X75SCA. It shares the identical 100mm bore, 75mm stroke, 1/2" port, output force, and CA mounting interface, so it fits the same application without modifications.
At 0.5MPa it pushes 3927N and pulls 3681N; at 0.7MPa it pushes 5497N, with a theoretical max of 801kgf at 1.0MPa. The -S magnet on the original SU worked with CS1-B/DS1-B switches, but the SAU replacement uses the current CMSG/DMSG/EMSG sensor family.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU100X75SCA replacement — usually within 7-8 hours.