This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ100X120-30S, 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.
Airtac SUJ Adjustable Cylinder SUJ100X120-30S
The AirTAC Airtac SUJ Adjustable Cylinder SUJ100X120-30S is a double-acting profile-type standard cylinder with a Ø100mm bore and 120mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ100X120-30S, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke120 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUJ100X120-30S
- 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 SUJ100X120-30S
The AirTAC SUJ100X120-30S is a double-acting, double-rod profile cylinder with an adjustable extend stroke. An external stop screw allows you to trim the extend stroke by up to 30 mm on-site, providing a usable stroke range of 90-120 mm from the 120 mm nominal maximum. The stop screw sets the end position and is not a load lock.
This SUJ100X120-30S model is discontinued and the direct replacement is the SAUJ100X120-30S, sharing the same profile body, bore, force, and FA/LB mounting. The SAUJ uses current CMSG/DMSG/EMSG sensors, whereas this unit uses legacy CS1-B/DS1-B switches. A plain cylinder drifts on air loss; use an external rod lock for held loads.
Airtac SUJ Adjustable Cylinder SUJ100X120-30S Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ100X120-30S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ100X120-30S |
| Bore size | Ø100 mm |
| Stroke | 120 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| 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, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUJ100X120-30S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAUJ100X120-30S 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 SUJ100X120-30S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×120 | 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 SUJ100X120-30S Is Used
Variable Depth Pressing
Allows operators to dial in the exact extend distance on-site for pressing bearings or pins to varying depths without swapping the entire actuator.
Adjustable Diverter Stroke
Fine-tunes the pusher extension length on a sorting line to accommodate different package widths on the fly using the 30 mm trim window.
Variable Height Ejection
Sets the precise ejection reach for parts of varying heights, ensuring components clear the tooling without overtravel.
Replacing the Airtac SUJ Adjustable Cylinder SUJ100X120-30S with the SAUJ100X120-30S
To replace the discontinued SUJ100X120-30S, use the direct replacement SAUJ100X120-30S, retaining the 100 mm bore, 120 mm stroke, 30 mm adjust window, 1/2" port, and FA/LB mounting. Choose the 30 mm adjust window when you need on-site extend stroke tuning between 90-120 mm; this beats adding an external stop to a fixed SAU cylinder. The -S suffix indicates a piston magnet for position sensing; you must change legacy CS1-B/DS1-B switches to CMSG/DMSG/EMSG sensors on the SAUJ. For strokes of 300 mm or more, verify side-load limits to prevent rod binding.
Replacement checklist
- ✓ Same bore / stroke → SAUJ100X120-30S
- ✓ 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 SUJ100X120-30S FAQ
Yes, the SUJ100X120-30S is discontinued. The direct replacement is the SAUJ100X120-30S, which matches the 100 mm bore, 120 mm stroke, 30 mm adjust window, 1/2" port, and FA/LB mounting. You must upgrade the position sensors from legacy CS1-B/DS1-B to current CMSG/DMSG/EMSG switches.
The external stop screw provides a 30 mm adjustable window, shortening the extend stroke from the 120 mm nominal maximum down to 90 mm. The stop sets end position only; it is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ100X120-30S
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