This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ32X275-30, 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 SUJ32X275-30 is a double-acting profile-type standard cylinder with a Ø32mm bore and 275mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ32X275-30, which matches its bore, stroke, force and mounting.
The AirTAC SUJ32X275-30 is a discontinued 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. This yields a usable extend stroke of 245-275 mm from the 275 mm nominal maximum. Its extruded aluminum profile barrel is more compact than a standard cylinder of the same bore.
The direct replacement is the SAUJ32X275-30, matching the bore, stroke, force, port, and FA/LB mounting. This SKU lacks a magnet and cannot take a sensor, but legacy CS1-B/DS1-B switches used on -S SUJ variants are obsolete; the SAUJ family upgrades to current CMSG/DMSG/EMSG sensors. Note that the stop screw sets end position only—it is not a load lock, so use an external rod lock for held loads.
| Model | Airtac SUJ Adjustable Cylinder SUJ32X275-30 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ32X275-30 |
| Bore size | Ø32 mm |
| Stroke | 275 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 SAUJ32X275-30 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 SAUJ32X275-30 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. |
| ×275 | 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.
Tuning the extend stroke on-site by up to 30 mm allows precise positioning of diverter gates on packaging lines without machining custom spacers.
Adjusting the 275 mm extend stroke down to 245 mm accommodates changing product lengths on a conveyor without swapping the entire cylinder.
Setting the external stop screw provides a repeatable hard end-position for pallet stop fences, adaptable to different pallet heights on the floor.
To replace this discontinued SUJ32X275-30, specify the SAUJ32X275-30 direct equivalent, which retains the 32 mm bore, 275 mm max stroke, 30 mm adjust window, 1/8" port, and FA/LB mounting. Choose the 30 mm adjust window if your fixture requires precise on-site extend tuning between 245 and 275 mm. Because this specific SKU has no magnet, it cannot accept a sensor; if position detection is needed, select an SAUJ-S model and use current CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B. For strokes of 300 mm or longer, verify side-load limits to prevent rod binding. Remember that the stop screw sets end position and is not a load lock—install an external rod lock for vertical or held loads.
Replacement checklist
Yes, the SUJ32X275-30 is discontinued. The direct replacement is the SAUJ32X275-30, which matches the 32 mm bore, 275 mm stroke, 30 mm adjust window, 1/8" port, and FA/LB mounting. The SAUJ family also supports current CMSG/DMSG/EMSG sensors and the SAUF built-in-valve variant.
The external stop screw provides a 30 mm adjust window, allowing you to trim the extend stroke from the 275 mm nominal maximum down to 245 mm on-site. The stop sets end position only and is not a load lock.
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ32X275-30 replacement — usually within 7-8 hours.