This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU100X675S, 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 SU100X675S is a double-acting profile-type standard cylinder with a Ø100mm bore and 675mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU100X675S, which matches its bore, stroke, force and mounting.
The AirTAC SU100X675S is a discontinued double-acting profile-type cylinder with a 100mm bore and 675mm stroke. Delivering 3927 N push force at 0.5 MPa, it features an extruded aluminum barrel and adjustable air cushions at both ends, making it more compact than an ISO 15552 cylinder of the same bore. The direct replacement is the SAU100X675S, which matches the original 1/2 inch port, M20x1.5 rod thread, output force, and SC-series mounting.
When upgrading to the SAU100X675S, the body, bore, stroke, and force remain identical. The SAU line also introduces a SAUF variant with a built-in 4M solenoid valve that the SU series lacked. Note that the -S magnet on this legacy SU works with older CS1-B/DS1-B switches, whereas the SAU replacement requires current CMSG/DMSG/EMSG sensors.
| Model | Airtac SU63-100 Standard Cylinder SU100X675S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU100X675S |
| Bore size | Ø100 mm |
| Stroke | 675 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 SAU100X675S 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 SAU100X675S 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. |
| ×675 | 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-duty stamping and forming dies requiring the full 3927 N push force at 0.5 MPa with stable 100mm bore rigidity.
Actuates large-scale pallet routing gates where the 675mm stroke provides full lane clearance for heavy material flow.
To replace the SU100X675S, order the SAU100X675S and confirm the 100mm bore, 675mm stroke, 1/2" port, and default PT threads. Because this model has the -S magnet, you must switch from the legacy CS1-B/DS1-B switches to the CMSG/DMSG/EMSG sensor family used on the SAU. If you need integrated flow control, the SAUF variant adds a built-in 4M solenoid valve. For sizing, a neighboring 80mm bore provides 2513 N push at 0.5 MPa, while the 100mm bore offers 5497 N at 0.7 MPa. A plain cylinder does not hold load without live air; use an external rod lock or pilot-operated check valve for holding. Finally, with a 675mm stroke, use external guides to prevent rod bending and side-load damage.
Replacement checklist
Yes, the SU100X675S is discontinued. The direct replacement is the SAU100X675S. It shares the same 100mm bore, 675mm stroke, 1/2" port, output force, and SC-series mounting, but the -S magnet requires upgrading from legacy CS1-B/DS1-B switches to the current CMSG/DMSG/EMSG sensors.
The 100mm bore features a 1/2" port and a 25mm piston rod. It delivers 3927 N push and 3681 N pull at 0.5 MPa, 5497 N push at 0.7 MPa, 7068 N push at 0.9 MPa, and a theoretical maximum of 801 kgf at 1.0 MPa.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU100X675S replacement — usually within 7-8 hours.