This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU63X140, 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 SU63X140 is a double-acting profile-type standard cylinder with a Ø63mm bore and 140mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU63X140, which matches its bore, stroke, force and mounting.
The AirTAC SU63X140 is a discontinued double-acting profile-type cylinder with a 63mm bore and 140mm stroke. Delivering 1559N push force at 0.5MPa, its extruded aluminum body is more compact than an ISO 15552 cylinder of the same bore. AirTAC replaced this unit with the SAU63X140, a direct replacement retaining the exact 3/8" port, M16x1.5 rod thread, and SC-series mounting compatibility.
When upgrading to the SAU63X140, the body dimensions and 21mm adjustable cushions remain identical. Note that this non-magnetic SKU cannot accept a sensor, whereas upgrading to the SAU family enables modern CMSG/DMSG/EMSG switches or the SAUF built-in valve option.
| Model | Airtac SU63-100 Standard Cylinder SU63X140 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU63X140 |
| Bore size | Ø63 mm |
| Stroke | 140 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| Rod thread | M16×1.5 |
| 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, 21 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU63X140 carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
The SAU63X140 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). |
|---|---|
| 63 | Bore size in mm. |
| ×140 | 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 routing gates on 50-80kg parcel lines, using the 1559N push force to positively redirect heavy cartons at speed.
Ejects formed metal or plastic components from 63mm bore press dies, leveraging the 140mm stroke to clear the tooling area safely.
To replace the SU63X140, order the SAU63X140 with the same 63mm bore, 140mm stroke, 3/8" port, and PT thread. Verify your SC-series mounting (LB/FA/FB/CA/CB) carries over directly. Because this specific SKU lacks a magnet (-S), it cannot support legacy CS1-B/DS1-B switches; if sensing is needed, the SAU replacement requires current CMSG/DMSG/EMSG sensors. For sizing alternatives, dropping to a 50mm bore yields 982N push at 0.5MPa, while stepping up to an 80mm bore provides 2513N. Remember, a standard cylinder drifts without live air—the cushion only decelerates—so add an external rod lock or pilot-operated check valve for load holding. The SAUF variant offers a built-in 4M solenoid valve if integrated switching is desired.
Replacement checklist
Yes, the SU63X140 is discontinued. The direct replacement is the AirTAC SAU63X140. It matches the 63mm bore, 140mm stroke, 1559N output force, 3/8" port, and SC-series mounting footprint, so it bolts right in without modifications.
At 0.5MPa it provides 1559N push and 1402N pull; 2182N push at 0.7MPa; 2805N at 0.9MPa; and a 318kgf maximum at 1.0MPa. Because this SKU lacks a magnet, it cannot accept sensors; the SAU replacement uses CMSG/DMSG/EMSG switches for position feedback.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU63X140 replacement — usually within 7-8 hours.