This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X80S, 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 SU80X80S is a double-acting profile-type standard cylinder with a Ø80mm bore and 80mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU80X80S, which matches its bore, stroke, force and mounting.
The AirTAC SU80X80S is a discontinued double-acting profile-type cylinder with an 80mm bore and 80mm stroke. Built with an extruded aluminum barrel and adjustable air cushions at both ends, it delivers 2513 N push and 2268 N pull at 0.5 MPa. The direct replacement is the SAU80X80S, matching the 3/8" port, M20x1.5 rod thread, output force, and SC-series mounting dimensions.
This -S SKU includes a piston magnet for legacy CS1-B/DS1-B switches, but the SAU upgrade switches to current CMSG/DMSG/EMSG sensors. The SAU line also adds a SAUF variant with a built-in 4M solenoid valve the SU never offered.
| Model | Airtac SU63-100 Standard Cylinder SU80X80S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X80S |
| Bore size | Ø80 mm |
| Stroke | 80 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| 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, 28 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU80X80S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAU80X80S 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). |
|---|---|
| 80 | Bore size in mm. |
| ×80 | 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 heavy steel or aluminum workpieces during machining operations, utilizing the 2513 N push force at 0.5 MPa for rigid, zero-shift holding.
Actuates heavy-duty routing gates on high-speed packaging lines, relying on the 28 mm adjustable end cushions to decelerate shifting loads smoothly.
To replace this discontinued SU80X80S, order the SAU80X80S direct equivalent, verifying your 3/8" port, M20x1.5 rod thread, and SC-series mounting (LB/FA/FB/CA/CB). Because this is an -S magnet model, note that your legacy CS1-B/DS1-B switches must change to CMSG/DMSG/EMSG sensors on the new SAU. If you need integrated flow control, explore the SAUF variant with its built-in valve. For loads requiring holding on air loss, add an external rod lock or pilot-operated check valve, as the cushion only decelerates. Sizing both ways: dropping to a 63mm bore yields 1559 N push at 0.5 MPa, while staying at 80mm gives 3518 N at 0.7 MPa if you need more force.
Replacement checklist
Yes, the SU80X80S is discontinued. The direct replacement is the SAU80X80S. It matches the 80mm bore, 80mm stroke, 3/8" port, and SC-series mounting. The only change for buyers is that the -S magnet now uses CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches.
The 80mm bore features a 3/8" air port and a 25mm piston rod. At 0.5 MPa it provides 2513 N push and 2268 N pull. At 0.7 MPa push is 3518 N, and at 0.9 MPa it is 4523 N. The theoretical maximum force is 513 kgf at 1.0 MPa.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU80X80S replacement — usually within 7-8 hours.