This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ100X180-50S, 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 SUJ100X180-50S
The AirTAC Airtac SUJ Adjustable Cylinder SUJ100X180-50S is a double-acting profile-type standard cylinder with a Ø100mm bore and 180mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ100X180-50S, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke180 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUJ100X180-50S
- 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 SUJ100X180-50S
The AirTAC SUJ100X180-50S is a double-acting, double-rod profile cylinder with an external stop screw that lets you trim the extend stroke by up to 50 mm on-site, yielding a usable 130-180 mm extension out of the 180 mm nominal maximum. It features a 25 mm rod, M20x1.5 rod-end thread, adjustable air cushions (29 mm per end), and a 1/2" port.
This SUJ model is discontinued; the direct replacement is the SAUJ100X180-50S, which preserves the bore, stroke, force, port, and FA/LB mounting. During the changeover, note that the legacy CS1-B/DS1-B switches used by this -S magnet version are superseded by current CMSG/DMSG/EMSG sensors on the SAUJ. The stop screw sets the end position but is not a load lock; use an external rod lock for held loads.
Airtac SUJ Adjustable Cylinder SUJ100X180-50S Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ100X180-50S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ100X180-50S |
| Bore size | Ø100 mm |
| Stroke | 180 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 SAUJ100X180-50S 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 SAUJ100X180-50S 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 SUJ100X180-50S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×180 | 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 SUJ100X180-50S Is Used
Press Fit Tuning
Allows operators to dial in the exact 130-180 mm extend position on-site for inserting bearings or pins without re-machining hard stops.
Variable Carton Flap Control
Provides adjustable end-of-stroke positioning to accommodate different package heights on a single line, trimming the extend stroke up to 50 mm.
Adjustable Diverter Gate
Enables field adjustment of the actuator's extend length to reroute varying product sizes without swapping the cylinder.
Replacing the Airtac SUJ Adjustable Cylinder SUJ100X180-50S with the SAUJ100X180-50S
To replace this discontinued unit, order the SAUJ100X180-50S, which is a direct for the basic, FA, and LB mounts. Choose the -50 mm adjust window when your mechanism requires precise end-position tuning between 130 and 180 mm. For the -S magnet option, upgrade your position sensing from the old CS1-B/DS1-B to the modern CMSG/DMSG/EMSG series. Because the 180 mm stroke is under 300 mm, side-load leverage is minimal, but always verify guide alignment. The external stop screw merely sets the end position; it does not lock the load on air loss—install a pilot-operated check valve or external rod lock for vertical holding.
Replacement checklist
- ✓ Same bore / stroke → SAUJ100X180-50S
- ✓ 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 SUJ100X180-50S FAQ
Yes, the SUJ100X180-50S is discontinued. The direct replacement is the SAUJ100X180-50S, offering the same 100 mm bore, 180 mm stroke, 50 mm adjust window, 1/2" port, and FA/LB mounting. You will need to upgrade the position sensors from the legacy CS1-B/DS1-B to the current CMSG/DMSG/EMSG series.
Push increases to 5497 N at 0.7 MPa and 7068 N at 0.9 MPa, with a theoretical max of 801 kgf at 1.0 MPa. The external stop screw allows you to shorten the extend stroke by up to 50 mm on-site, giving a usable extension range of 130-180 mm. The stop sets end position and is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ100X180-50S
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ100X180-50S replacement — usually within 7-8 hours.