This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAUJ80X500-40, 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 SUJ80X500-40
The AirTAC Airtac SUJ Adjustable Cylinder SUJ80X500-40 is a double-acting profile-type standard cylinder with a Ø80mm bore and 500mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAUJ80X500-40, which matches its bore, stroke, force and mounting.
- BoreØ80 mm
- Stroke500 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAUJ80X500-40
- 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 SUJ80X500-40
The AirTAC SUJ80X500-40 is a double-acting double-rod profile cylinder with an adjustable stroke, letting you trim the extend stroke by up to 40 mm on-site for a usable 460-500 mm window. It features a 3/8 inch port, an M20x1.5 rod thread, and 28 mm adjustable cushions. The direct replacement is the SAUJ80X500-40, matching the bore, stroke, force, and mounting.
The external stop screw sets the end position but is not a load lock; use an external rod lock for held loads. Upgrading to the SAUJ switches legacy CS1-B/DS1-B sensors to current CMSG/DMSG/EMSG switches. Because this SKU lacks a magnet, it cannot take a switch. At 500 mm, add external guides to prevent rod bending.
Airtac SUJ Adjustable Cylinder SUJ80X500-40 Technical Specifications
| Model | Airtac SUJ Adjustable Cylinder SUJ80X500-40 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAUJ80X500-40 |
| Bore size | Ø80 mm |
| Stroke | 500 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| 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, 28 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAUJ80X500-40 carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 N | — |
| Max (@1.0 MPa) | 513 kgf | |
The SAUJ80X500-40 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 SUJ80X500-40
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 80 | Bore size in mm. |
| ×500 | 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 SUJ80X500-40 Is Used
Variable Length Ejector
Tuning the extend stroke by up to 40 mm on-site allows an ejection pin to hit different material lengths without swapping the entire cylinder.
Adjustable Transfer Stop
A 460-500 mm extend window lets an operator manually dial in the exact stopping position for mixed-size cartons on a packaging line.
Custom Height Diverter
Field-trimming the extend stroke permits a diverter arm to reach varying conveyor lane depths without re-engineering the fixed mounting points.
Replacing the Airtac SUJ Adjustable Cylinder SUJ80X500-40 with the SAUJ80X500-40
To replace the discontinued SUJ80X500-40, order the direct replacement SAUJ80X500-40, which retains the 3/8 inch port, 28 mm cushions, and FA/LB mounting. Choose the 40 mm adjust window if you need precise 460-500 mm extend tuning. This non-magnetic SKU cannot accept sensors, but the SAUJ upgrade supports CMSG/DMSG/EMSG switches. For the 500 mm stroke, support the load with external guides to minimize side-load and rod bending. The stop screw sets end position only; add an external rod lock for load holding.
Replacement checklist
- ✓ Same bore / stroke → SAUJ80X500-40
- ✓ 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 SUJ80X500-40 FAQ
Yes, the SUJ80X500-40 is discontinued. The direct replacement is the SAUJ80X500-40, matching the 80 mm bore, 500 mm stroke, 3/8 inch port, and FA/LB mounting. The SAUJ also upgrades the sensor track to accept current CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B.
The external stop screw offers a 40 mm adjust window, making the usable extend stroke 460-500 mm. The stop sets end position and is not a load lock.
Related AirTAC SAU Cylinders
Request a Quote for the SAUJ80X500-40
Send us the quantity and destination. We confirm price, stock and lead time on the SAUJ80X500-40 replacement — usually within 7-8 hours.