This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X682SN, 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 SU80X682SN is a double-acting profile-type standard cylinder with a Ø80mm bore and 682mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU80X682SN, which matches its bore, stroke, force and mounting.
The AirTAC SU80X682SN is a discontinued double-acting profile cylinder with an 80mm bore and 682mm stroke. It delivers 2513 N push and 2268 N pull at 0.5 MPa, peaking at 513 kgf. AirTAC replaced this end-of-line unit with the SAU80X682SN, a direct replacement retaining the exact 3/8" port, M20x1.5 rod thread, and SC-series mounting.
Because the 682mm stroke exceeds the 500mm threshold, use external guides to prevent rod bending under side loads. The SAU upgrade adopts modern CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches on this -S SKU, and introduces the SAUF built-in valve variant. The -N NBR seal supports -20 to +70 C.
| Model | Airtac SU63-100 Standard Cylinder SU80X682SN |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X682SN |
| Bore size | Ø80 mm |
| Stroke | 682 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 SAU80X682SN 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 SAU80X682SN 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. |
| ×682 | 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.
Actuates heavy divert arms on packaging lines, utilizing the 2513 N push force to redirect loaded pallets reliably.
Ejects formed metal parts from hydraulic presses, relying on the 28mm adjustable cushions to decelerate the 682mm stroke smoothly.
To replace the SU80X682SN, order the SAU80X682SN direct equivalent, verifying the 80mm bore, 682mm stroke, 3/8" port, M20x1.5 thread, and SC-series mounting. Your -S magnet requires a sensor family change: the legacy CS1-B/DS1-B switches are obsolete, so you must migrate to CMSG/DMSG/EMSG sensors. If you need integrated flow control, explore the SAUF variant with its built-in 4M solenoid valve. Note that 682mm is a nonstandard stroke exceeding standard catalog ranges; at this length, always pair the cylinder with an external guide to absorb side loads and prevent rod bending. For sizing alternatives, the neighboring 63mm bore yields 1559 N push at 0.5 MPa, while the 100mm bore provides 3927 N. Remember, a plain cylinder drifts on air loss; the adjustable 28mm cushions only decelerate the piston near stroke end. For secure load holding during a pressure drop, install an external rod lock or pilot-operated check valve.
Replacement checklist
Yes, the SU80X682SN is discontinued. The direct replacement is the AirTAC SAU80X682SN. It matches the 80mm bore, 682mm stroke, 513 kgf max force, 3/8" port, and SC-series mounting. You must upgrade your sensors: the old CS1-B/DS1-B switches are replaced by CMSG/DMSG/EMSG models on the SAU.
This double-acting cylinder features a 3/8" air port and generates 2513 N push and 2268 N pull at 0.5 MPa. At 0.7 MPa it pushes 3518 N, and 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 SAU80X682SN replacement — usually within 7-8 hours.