This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X450S, 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 SU80X450S is a double-acting profile-type standard cylinder with a Ø80mm bore and 450mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU80X450S, which matches its bore, stroke, force and mounting.
The AirTAC SU80X450S is a discontinued double-acting profile cylinder with an 80mm bore and 450mm stroke. The direct replacement is the SAU80X450S, matching the 3/8 port, M20x1.5 rod thread, and SC-series mounting.
This extruded aluminium body is more compact than an ISO 15552 equivalent. Because this SKU includes a magnet (-S), it used legacy CS1-B/DS1-B switches; the SAU successor upgrades to CMSG/DMSG/EMSG sensors and introduces the SAUF built-in-valve option the SU line lacked. Note that a plain cylinder drifts without live air—the 28mm cushions only decelerate.
| Model | Airtac SU63-100 Standard Cylinder SU80X450S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X450S |
| Bore size | Ø80 mm |
| Stroke | 450 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 SAU80X450S 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 SAU80X450S 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. |
| ×450 | 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 sideways off a main conveyor line using the 2513N push force at 0.5MPa, with the 450mm stroke clearing the belt width.
Ejects completed metal or composite parts from a press bed, requiring external guides over the 450mm travel to prevent rod bending under side loads.
To replace this discontinued SU80X450S, order the SAU80X450S direct equivalent, verifying your 3/8 port, PT/G/NPT thread, and SC-series mounting. If sizing alternatives, the adjacent 63mm bore yields 1559N push at 0.5MPa, while the 100mm bore reaches 3927N. For the 450mm stroke, use external guides to prevent rod bending and side-load damage. To hold a load securely without drifting on air loss, add an external rod lock or pilot-operated check valve, as the cushion only decelerates. Finally, your -S magnet requires switching from CS1-B/DS1-B to CMSG/DMSG/EMSG sensors on the new SAU.
Replacement checklist
Yes, the SU80X450S is discontinued. The direct replacement is the SAU80X450S, which matches the 80mm bore, 450mm stroke, 3/8 port, output force, and SC-series mounting. You must upgrade your sensors, as the SAU uses CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B.
This double-acting cylinder has a 3/8 port and delivers 2513N push and 2268N pull at 0.5MPa, 3518N push at 0.7MPa, and a theoretical maximum of 513kgf at 1.0MPa. It operates at 30-800mm/s and features a 25mm piston rod with an M20x1.5 thread.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU80X450S replacement — usually within 7-8 hours.