This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ100X275-40, 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 SUJ100X275-40
The AirTAC Airtac SUJ Adjustable Cylinder SUJ100X275-40 is a double-acting profile-type standard cylinder with a Ø100mm bore and 275mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ100X275-40, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke275 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUJ100X275-40
- 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 SUJ100X275-40
The AirTAC SUJ100X275-40 is a double-acting double-rod profile cylinder with an external stop screw that lets you trim the extend stroke by up to 40 mm on-site, giving a usable extend range of 235 to 275 mm from the 275 mm nominal maximum. It features a 1/2 inch port, a Ø25 mm piston rod, and 29 mm adjustable air cushions at each end.
This SUJ model is discontinued and the direct replacement is the SAUJ100X275-40, which retains the same profile body, bore, stroke, force, and FA/LB mounting. Two key upgrade facts: the SAUJ moves to current CMSG/DMSG/EMSG sensors whereas this legacy unit used CS1-B/DS1-B switches, and the SAU line adds the SAUF built-in-valve variant. Note this non-magnetic SKU cannot take a switch, and the stop screw sets end position but is not a load lock.
Airtac SUJ Adjustable Cylinder SUJ100X275-40 Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ100X275-40 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ100X275-40 |
| Bore size | Ø100 mm |
| Stroke | 275 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 SAUJ100X275-40 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 SAUJ100X275-40 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 SUJ100X275-40
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | 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.
Where the Airtac SUJ Adjustable Cylinder SUJ100X275-40 Is Used
Variable Press Tooling
Trimming the extend stroke by up to 40 mm on-site allows precise positioning of press tooling without machining new hard stops.
Adjustable Transfer Diverter
Field tuning the 235 to 275 mm extend length lets a diverter gate accommodate varying package sizes on a single conveyor line.
Custom Format Stops
Dialing in the exact extend end position provides flexible physical stops for different pallet dimensions in packaging cells.
Replacing the Airtac SUJ Adjustable Cylinder SUJ100X275-40 with the SAUJ100X275-40
To replace the discontinued SUJ100X275-40, order the direct replacement SAUJ100X275-40, matching the 100 mm bore, 275 mm stroke, 40 mm adjust window, and 1/2 inch port. Choose the 40 mm adjust window if you need to trim the extend stroke on-site between 235 and 275 mm. Mounting uses FA and LB brackets compatible with the AirTAC SC series only. Because this SKU lacks the -S suffix, it cannot accept a magnetic switch; the SAUJ replacement requires CMSG/DMSG/EMSG sensors. For strokes of 300 mm or longer, verify side-load limits to prevent excessive rod bearing wear. The external stop screw sets the end position but does not lock the load, so use an external rod lock for held loads.
Replacement checklist
- ✓ Same bore / stroke → SAUJ100X275-40
- ✓ 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 SUJ100X275-40 FAQ
Yes, the SUJ100X275-40 is discontinued. The direct replacement is the SAUJ100X275-40, which shares the same profile body, 100 mm bore, 275 mm stroke, 40 mm adjust window, and 1/2 inch port. The SAUJ also upgrades to current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches.
The external stop screw offers a 40 mm adjust window, allowing you to shorten the 275 mm nominal extend stroke down to 235 mm on-site. The stop sets end position but is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ100X275-40
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ100X275-40 replacement — usually within 7-8 hours.