This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X720, 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 SU80X720 is a double-acting profile-type standard cylinder with a Ø80mm bore and 720mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU80X720, which matches its bore, stroke, force and mounting.
The AirTAC SU80X720 is a discontinued double-acting profile-type cylinder with an 80mm bore and 720mm stroke. Delivering 2513 N push and 2268 N pull at 0.5 MPa, it uses an extruded aluminum barrel making it more compact than an ISO 15552 cylinder of the same bore. The direct replacement is the SAU80X720, matching the 3/8 inch port, M20x1.5 rod thread, 28mm cushions, and SC-series mounting.
This non-magnet SKU cannot accept a sensor. The SAU upgrade uses current CMSG/DMSG/EMSG switches for -S variants and adds a SAUF built-in valve option. Note that air cushions only decelerate; use an external rod lock to hold loads.
| Model | Airtac SU63-100 Standard Cylinder SU80X720 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X720 |
| Bore size | Ø80 mm |
| Stroke | 720 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 SAU80X720 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 SAU80X720 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. |
| ×720 | 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.
Uses the 2513 N push force at 0.5 MPa to deflect heavy pallets along a high-speed packaging line.
Raises 128 kg loads through the 720mm stroke, requiring external guides to prevent rod bending.
Cycles stamped parts out of a press bed, relying on the 28mm adjustable cushions to brake the rod.
To replace this discontinued SU80X720, order the SAU80X720, confirming the 3/8 inch port, PT thread, and SC-series mounting. Because this SKU lacks a magnet (-S), it cannot take a sensor; if sensing is needed, order the SAU80X720S and migrate to CMSG/DMSG/EMSG switches. For sizing both ways, a 63mm bore offers 1559 N push at 0.5 MPa, while a 100mm bore gives 3927 N. At 0.7 MPa this 80mm bore outputs 3518 N. A plain cylinder drifts on air loss, so fit a pilot-operated check valve for load holding. The 720mm stroke demands external guides to prevent rod bending under side loads. The SAUF variant integrates a valve if desired.
Replacement checklist
Yes, the AirTAC SU80X720 is discontinued. The direct replacement is the SAU80X720. It shares the same 80mm bore, 720mm stroke, 3/8 inch port, output force, and SC-series mounting accessories, so it fits the same application directly.
This double-acting cylinder provides 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, and a maximum theoretical force of 513 kgf at 1.0 MPa. This specific SKU has no magnet and cannot accept a sensor. The SAU replacement uses CMSG/DMSG/EMSG switches for its -S variants.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU80X720 replacement — usually within 7-8 hours.