This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU80X145, 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 SU80X145 is a double-acting profile-type standard cylinder with a Ø80mm bore and 145mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU80X145, which matches its bore, stroke, force and mounting.
The AirTAC SU80X145 is a discontinued double-acting profile cylinder with an 80 mm bore and 145 mm stroke. Delivering 2513 N push force at 0.5 MPa, it uses a 3/8" port and a Ø25 mm rod. AirTAC replaced this unit with the SAU80X145, a direct upgrade retaining the exact bore, stroke, output force, port size, and SC-series mounting footprint.
The SAU replacement switches to current CMSG/DMSG/EMSG sensors, whereas this legacy SU used CS1-B/DS1-B switches. This non-magnet SKU cannot accept a sensor. The SAU family also adds a SAUF valve-integrated option the SU lacked.
| Model | Airtac SU63-100 Standard Cylinder SU80X145 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU80X145 |
| Bore size | Ø80 mm |
| Stroke | 145 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 SAU80X145 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 SAU80X145 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. |
| ×145 | 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.
Secures large steel weldments during machining using the 2513 N push force at 0.5 MPa, ensuring rigid holding without deflection.
Pushes heavy loaded pallets off a main transport line, utilizing the compact profile body to fit tight transfer spaces.
Acts as a high-power reject arm for oversized or overweight packaging, safely moving items at speeds up to 800 mm/s.
To replace the SU80X145, order the SAU80X145 by confirming the 80 mm bore, 145 mm stroke, 3/8" port, and M20x1.5 rod thread. Because this is a non-magnet SKU, it cannot accept a sensor; if sensing is needed, specify an SAU -S model and use CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B. If you need higher force, the 100 mm bore offers 3927 N push at 0.5 MPa; if less is acceptable, the 63 mm bore provides 1559 N. A plain cylinder drifts on air loss—the cushion only decelerates—so fit an external rod lock or pilot-operated check valve for held loads. For self-switching needs, consider the SAUF built-in-valve variant.
Replacement checklist
Yes, the SU80X145 is discontinued. The direct replacement is the AirTAC SAU80X145. It shares the exact same 80 mm bore, 145 mm stroke, 3/8" port, output force, and SC-series mounting accessories, so it drops right into your existing application.
The SU80X145 delivers 2513 N push and 2268 N pull at 0.5 MPa, 3518 N push at 0.7 MPa, and a theoretical max of 513 kgf at 1.0 MPa. This specific SKU has no magnet and cannot take a sensor. If you need sensing, the SAU replacement with the -S option uses current CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU80X145 replacement — usually within 7-8 hours.