This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ32X125-20S, 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.
Airtac SUJ Adjustable Cylinder SUJ32X125-20S
The AirTAC Airtac SUJ Adjustable Cylinder SUJ32X125-20S 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 SAUJ32X125-20S, which matches its bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke125 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAUJ32X125-20S
- No minimum order. A single piece can be ordered.
- Ready in 3–5 business days. That is the time we take to process the order and hand it to the carrier. Transit time after that depends on the destination.
About the Airtac SUJ Adjustable Cylinder SUJ32X125-20S
The AirTAC SUJ32X125-20S is a double-acting, double-rod profile cylinder with a 32 mm bore and 125 mm maximum stroke. An external stop screw lets you trim the extend stroke by up to 20 mm on-site, yielding a usable 105-125 mm stroke window without changing mounts. The stop screw sets the end position firmly but is not a load lock; a plain cylinder drifts on air loss, so add an external rod lock for held loads.
This SUJ model is discontinued and the direct replacement is the SAUJ32X125-20S, which retains the exact bore, stroke, force, 1/8" port, and SC-series FA/LB mounting. The SAUJ upgrades the sensor compatibility from your legacy CS1-B/DS1-B switches to the current CMSG/DMSG/EMSG range. The compact profile barrel is notably shorter than an ISO 15552 cylinder of the same bore.
Airtac SUJ Adjustable Cylinder SUJ32X125-20S Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ32X125-20S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ32X125-20S |
| 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 SAUJ32X125-20S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAUJ32X125-20S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SUJ Adjustable Cylinder SUJ32X125-20S
| 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.
Where the Airtac SUJ Adjustable Cylinder SUJ32X125-20S Is Used
Diverter Gate Positioning
Allows operators to fine-tune the 105-125 mm extend stroke on-site to hit a moving conveyor diverter gate precisely without reprogramming the PLC.
Variable Depth Carton Sealing
Provides a 20 mm external stop adjustment to accommodate slight carton height variations on a packaging line, setting a firm end position for the sealing head.
Sensor Probe Calibration
Delivers field-adjustable end-of-stroke positioning for a testing probe, letting technicians dial in the exact 105-125 mm reach required for different product heights.
Replacing the Airtac SUJ Adjustable Cylinder SUJ32X125-20S with the SAUJ32X125-20S
To replace the discontinued SUJ32X125-20S, order the direct replacement SAUJ32X125-20S; the body, 32 mm bore, 125 mm stroke, 1/8" port, and FA/LB mounts are identical. Choose the 20 mm adjust window if your end-position tolerance requires field tuning across a 105-125 mm extend range. Because this model has the -S magnet, you must migrate from the old CS1-B/DS1-B switches to CMSG/DMSG/EMSG sensors on the SAUJ. For strokes of 300 mm or longer, verify your side-load limits to prevent excessive rod wear.
Replacement checklist
- ✓ Same bore / stroke → SAUJ32X125-20S
- ✓ Port/thread type (PT/G/NPT)
- ✓ Magnet (-S): sensor family CS1-B → CMSG
- ✓ Mounting reused (FA/FB/CA/CB/LB)
- ✓ Need a built-in valve? → SAUF
Airtac SUJ Adjustable Cylinder SUJ32X125-20S FAQ
Yes, the SUJ32X125-20S is discontinued. The direct replacement is the SAUJ32X125-20S, which matches the 32 mm bore, 125 mm stroke, 1/8" port, and FA/LB mounting. You will need to upgrade your position sensors from the legacy CS1-B/DS1-B to the current CMSG/DMSG/EMSG switches.
The external stop screw provides a 20 mm adjust window, allowing you to shorten the 125 mm maximum extend stroke down to 105 mm on-site. The stop sets end position but is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ32X125-20S
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ32X125-20S replacement — usually within 7-8 hours.