This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X1200S, 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 SU80X1200S is a double-acting profile-type standard cylinder with a Ø80mm bore and 1200mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU80X1200S, which matches its bore, stroke, force and mounting.
The AirTAC SU80X1200S is a discontinued double-acting profile-type cylinder with an 80mm bore and 1200mm stroke. It delivers 2513N push and 2268N pull at 0.5MPa, utilizing a 25mm rod and 3/8" port. AirTAC replaced this end-of-line unit with the SAU80X1200S, a direct alternative retaining the exact profile body, stroke, force, port size, and SC-series mounting compatibility.
The SAU upgrade switches the legacy CS1-B/DS1-B switches to current CMSG/DMSG/EMSG sensors, and introduces the SAUF built-in 4M valve option the SU line lacked. Note that a plain cylinder drifts without live air; the cushion only decelerates, so use an external rod lock for holding.
| Model | Airtac SU63-100 Standard Cylinder SU80X1200S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X1200S |
| Bore size | Ø80 mm |
| Stroke | 1200 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 SAU80X1200S 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 SAU80X1200S 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. |
| ×1200 | 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.
Pushes heavy pallets along a 1200mm conveyor lane using 2513N of thrust at 0.5MPa, requiring external guides to prevent rod bending over the extended travel.
Shifts heavy tooling carriages with 3518N force at 0.7MPa, using the adjustable 28mm air cushions to decelerate the substantial moving mass smoothly.
To replace this SU80X1200S, order the SAU80X1200S, confirming the 80mm bore, 1200mm stroke, 3/8" port, M20x1.5 rod thread, and SC-series mounting. Because this SKU includes a magnet (-S), you must migrate from the obsolete CS1-B/DS1-B switches to the modern CMSG/DMSG/EMSG sensor family. Sizing both ways: a 63mm bore yields 1559N push at 0.5MPa, while a 100mm bore yields 3927N. A plain cylinder does not hold load on air loss; the cushion only decelerates, so add a pilot-operated check valve for suspended loads. With a 1200mm stroke, prevent rod bending by guiding the load externally to avoid side-load damage. If valve integration is needed, explore the SAUF variant.
Replacement checklist
Yes, the SU80X1200S is discontinued. The direct replacement is the AirTAC SAU80X1200S. It shares the identical 80mm bore, 1200mm stroke, 2513N output force at 0.5MPa, 3/8" port, and SC-series mounting. The upgrade also introduces the SAUF built-in valve option and requires CMSG/DMSG/EMSG sensors to replace the legacy CS1-B/DS1-B switches.
The 80mm bore generates 2513N push and 2268N pull at 0.5MPa, 3518N push at 0.7MPa, and a theoretical maximum of 513kgf at 1.0MPa. Because this is an -S magnet model, it originally used CS1-B/DS1-B reed switches. The SAU replacement retains the magnetic piston but requires the current CMSG/DMSG/EMSG electronic sensor family.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU80X1200S replacement — usually within 7-8 hours.