This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ32X125-30S, 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 SUJ Adjustable Cylinder SUJ32X125-30S is a double-acting profile-type standard cylinder with a Ø32mm bore and 125mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ32X125-30S, which matches its bore, stroke, force and mounting.
The AirTAC SUJ32X125-30S is a double-acting double-rod profile cylinder with an external stop screw that lets you trim the extend stroke by up to 30 mm on-site, giving a usable extend range of 95-125 mm from the 125 mm nominal maximum. This discontinued model is replaced direct by the SAUJ32X125-30S, retaining the exact bore, force, port, and FA/LB mounting.
The stop screw sets the end position but is not a load lock; use an external rod lock for held loads. The SAUJ upgrade switches from legacy CS1-B/DS1-B sensors to current CMSG/DMSG/EMSG switches while keeping the compact profile barrel shorter than standard cylinders.
| Model | Airtac SUJ Adjustable Cylinder SUJ32X125-30S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ32X125-30S |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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 1000 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUJ32X125-30S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAUJ32X125-30S 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). |
|---|---|
| 32 | Bore size in mm. |
| ×125 | 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.
Dial in the exact extend contact point on delicate parts by trimming the stroke up to 30 mm on-site, preventing overtravel damage during quality checks.
Adjust the pusher extend distance on the fly to cleanly divert different package sizes without swapping out the entire cylinder assembly.
Fine-tune the physical end-stop location for pallets or workpieces arriving at a station, allowing flexible machine reconfiguration.
To replace the discontinued SUJ32X125-30S, order the direct replacement SAUJ32X125-30S, which keeps the 32 mm bore, 125 mm stroke, 30 mm adjust window, and 1/8" port. Choose the 30 mm adjust window if you need on-site extend stroke tuning between 95 and 125 mm. Mounting uses FA or LB brackets compatible with the AirTAC SC series. Because this is an -S model, you must switch from legacy CS1-B/DS1-B sensors to current CMSG/DMSG/EMSG switches. For strokes of 300 mm or longer, verify your side-load limits to prevent guide wear.
Replacement checklist
Yes, the SUJ32X125-30S is discontinued. The direct replacement is the SAUJ32X125-30S, offering the same 32 mm bore, 125 mm stroke, 30 mm adjust window, and 1/8" port. You will need to upgrade your position sensing from the legacy CS1-B/DS1-B switches to the current CMSG/DMSG/EMSG series.
The external stop screw provides a 30 mm adjustment window, allowing you to shorten the extend stroke from the 125 mm nominal maximum down to 95 mm. Note that the stop screw sets the end position and is not a load lock.
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ32X125-30S replacement — usually within 7-8 hours.