This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X45S, 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 SU80X45S is a double-acting profile-type standard cylinder with a Ø80mm bore and 45mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU80X45S, which matches its bore, stroke, force and mounting.
The AirTAC SU80X45S is a discontinued double-acting profile-type cylinder with an 80mm bore and 45mm stroke. Delivering 2513N push and 2268N pull at 0.5MPa, it uses an extruded aluminium barrel making it more compact than an ISO 15552 equivalent. AirTAC replaced this EOL unit with the SAU80X45S direct replacement, retaining the exact 3/8 port, M20x1.5 rod thread, force, and SC-series mounting.
The -S suffix denotes a piston magnet for legacy CS1-B/DS1-B switches; upgrading to the SAU requires current CMSG/DMSG/EMSG sensors. The SAU family also introduces the SAUF valve-integrated variant, an option the original SU line lacked.
| Model | Airtac SU63-100 Standard Cylinder SU80X45S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X45S |
| Bore size | Ø80 mm |
| Stroke | 45 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 SAU80X45S 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 SAU80X45S 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. |
| ×45 | 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 operations where 2513N of push force at 0.5MPa securely actuates tooling.
Pushes loaded pallets on conveyors, utilizing the 45mm stroke to engage and redirect materials efficiently.
Lowers components weighing up to 128kg safely, relying on adjustable 28mm air cushions to decelerate near stroke end.
To replace this discontinued SU80X45S, order the SAU80X45S, confirming the 80mm bore, 45mm stroke, 3/8 port, and SC-series mounting accessories. If the 2513N push at 0.5MPa is insufficient, step up to a 100mm bore; if oversized, a 63mm bore yields 1559N. Because the -S magnet is present, note the sensor family changes from CS1-B/DS1-B to CMSG/DMSG/EMSG. A plain cylinder drifts on air loss—the cushion only decelerates—so add an external rod lock or pilot-operated check valve for held loads. The SAUF variant offers a built-in valve if you need self-switching.
Replacement checklist
Yes, the AirTAC SU80X45S is discontinued. The direct replacement is the SAU80X45S, matching the 80mm bore, 45mm stroke, 3/8 port, force, and SC-series mounting.
It delivers 2513N push and 2268N pull at 0.5MPa, 3518N push at 0.7MPa, and a 513kgf max at 1.0MPa. The -S magnet works with legacy CS1-B/DS1-B switches; the SAU replacement requires CMSG/DMSG/EMSG sensors.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU80X45S replacement — usually within 7-8 hours.