This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X80STC, 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 SU80X80STC 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 SAU80X80STC, which matches its bore, stroke, force and mounting.
The AirTAC SU80X80STC is a discontinued double-acting profile-type cylinder with an 80 mm bore, 80 mm stroke, and a 3/8" port. It delivers a robust 2513 N push force at 0.5 MPa, making it a heavy-duty actuator. AirTAC replaced this end-of-life unit with the SAU80X80STC, a direct replacement retaining the exact same body dimensions, output force, port size, and SC-series TC mounting interface.
Because of its extruded aluminum profile, this cylinder is more compact than an ISO 15552 unit of the same bore. This -S SKU includes a piston magnet for legacy CS1-B/DS1-B switches; note that the SAU replacement upgrades this to the current CMSG/DMSG/EMSG sensor family, and the new SAUF variant offers a built-in valve the SU line never had.
| Model | Airtac SU63-100 Standard Cylinder SU80X80STC |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X80STC |
| 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 SAU80X80STC 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 SAU80X80STC 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.
Applies the 2513 N push force at 0.5 MPa to seat bearings or stamp components securely in automated machining cells.
Uses the 80 mm stroke and TC mount to actuate heavy routing gates on high-throughput packaging conveyor lines.
Lifts or halts loads up to 128 kg safely, utilizing the compact profile body to save space in dense material handling zones.
To replace this discontinued SU80X80STC, order the SAU80X80STC. Confirm the 80 mm bore, 80 mm stroke, M20x1.5 rod thread, 3/8" port, and the TC mounting accessory are retained. Because this SKU has the -S magnet, you must upgrade your sensors: the legacy CS1-B/DS1-B switches will not fit the SAU, so select current CMSG/DMSG/EMSG switches. If sizing alternatives, the neighboring 63 mm bore yields 1559 N push at 0.5 MPa, while the 100 mm bore provides 3927 N. A plain cylinder does not hold load without live air; the 28 mm adjustable cushions only decelerate near stroke end, so add an external rod lock or pilot-operated check valve for vertical holding. For applications needing faster response, the SAUF variant integrates a 4M solenoid valve directly on the body.
Replacement checklist
Yes, the SU80X80STC is discontinued. The direct replacement is the SAU80X80STC. It matches the 80 mm bore, 80 mm stroke, 2513 N push force, 3/8" port, and TC mounting accessories, so it fits the same application directly.
At 0.5 MPa it pushes 2513 N and pulls 2268 N. At 0.7 MPa it pushes 3518 N, and the theoretical maximum is 513 kgf at 1.0 MPa. This -S SKU uses legacy CS1-B/DS1-B switches; the SAU replacement requires the newer CMSG/DMSG/EMSG sensor family.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU80X80STC replacement — usually within 7-8 hours.