This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ100X300-100S, 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 SUJ100X300-100S
The AirTAC Airtac SUJ Adjustable Cylinder SUJ100X300-100S is a double-acting profile-type standard cylinder with a Ø100mm bore and 300mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ100X300-100S, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke300 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUJ100X300-100S
- 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 SUJ100X300-100S
The AirTAC SUJ100X300-100S is a double-acting double-rod profile cylinder with an external stop screw that lets you trim the extend stroke by up to 100 mm on-site, yielding a usable 200-300 mm extension from the 300 mm nominal maximum. It features a 1/2 inch port, a 25 mm rod, and 29 mm adjustable cushions. This SUJ model is discontinued; the direct replacement is the SAUJ100X300-100S, sharing the same bore, stroke, force, and SC-series FA/LB mounting.
The stop screw sets the end position but is not a load lock; a plain cylinder drifts on air loss, so use an external rod lock for held loads. The SAUJ upgrade retains the compact profile body but replaces the legacy CS1-B/DS1-B sensors with current CMSG/DMSG/EMSG switches. At a 300 mm stroke, external guides are recommended to prevent rod bending under side loads.
Airtac SUJ Adjustable Cylinder SUJ100X300-100S Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ100X300-100S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ100X300-100S |
| Bore size | Ø100 mm |
| Stroke | 300 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 SAUJ100X300-100S 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 SAUJ100X300-100S 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 SUJ100X300-100S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | Bore size in mm. |
| ×300 | 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 SUJ100X300-100S Is Used
Variable Depth Forming
Pressing or forming operations where the material thickness fluctuates, requiring the extend stroke to be dialed back precisely on-site without swapping cylinders.
Adjustable Transfer Stops
Diverting or stopping products of varying sizes on a line, using the 100 mm trim window to reposition the stop face for different package dimensions.
Tiered Pallet Positioning
Pushing loads to specific heights in a multi-level storage rack, tuning the extend end-position in the field to match varying shelf heights.
Replacing the Airtac SUJ Adjustable Cylinder SUJ100X300-100S with the SAUJ100X300-100S
To replace the discontinued SUJ100X300-100S, order the direct replacement SAUJ100X300-100S, which matches the 100 mm bore, 300 mm stroke, 100 mm adjust window, 1/2 inch port, and FA/LB mounting. Choose the 100 mm adjust window only if you need to trim the full 100 mm on-site; otherwise a smaller window suffices. The -S magnet on the SAUJ requires CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B. Because the stroke is 300 mm, use external guides to manage side-load and rod-bending forces.
Replacement checklist
- ✓ Same bore / stroke → SAUJ100X300-100S
- ✓ 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 SUJ100X300-100S FAQ
Yes, the SUJ100X300-100S is discontinued. The direct replacement is the SAUJ100X300-100S, which shares the same 100 mm bore, 300 mm stroke, 100 mm adjust window, 1/2 inch port, and FA/LB mounting. The SAUJ uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches.
The external stop screw allows you to trim the extend stroke by up to 100 mm on-site, giving a usable extend range of 200-300 mm. The stop sets end position and is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ100X300-100S
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ100X300-100S replacement — usually within 7-8 hours.