This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU32X520S, 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 SU32~50 Standard Cylinder SU32X520S
The AirTAC Airtac SU32~50 Standard Cylinder SU32X520S is a double-acting profile-type standard cylinder with a Ø32mm bore and 520mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU32X520S, which matches its bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke520 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAU32X520S
- 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 SU32~50 Standard Cylinder SU32X520S
The AirTAC SU32X520S is a discontinued double-acting profile-type cylinder with a 32mm bore and 520mm stroke. Delivering 402N push at 0.5MPa, it uses an extruded aluminum barrel making it more compact than same-bore ISO cylinders. AirTAC replaced it with the SAU32X520S direct replacement, matching the exact bore, stroke, force, 1/8" port and SC-series mounting.
This -S SKU includes a piston magnet for legacy CS1-B/DS1-B switches; upgrading to the SAU requires current CMSG/DMSG/EMSG sensors. The SAU family also adds a SAUF built-in-valve option the SU line lacked.
Airtac SU32~50 Standard Cylinder SU32X520S Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU32X520S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU32X520S |
| Bore size | Ø32 mm |
| Stroke | 520 mm |
| Acting type | Double acting |
| Port size | 1/8" |
| Rod thread | M10×1.25 |
| 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, 21 mm |
| Max standard stroke | Up to 1000 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU32X520S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAU32X520S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SU32~50 Standard Cylinder SU32X520S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×520 | 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 SU32~50 Standard Cylinder SU32X520S Is Used
Small Package Diverting
Uses the 402N push force at 0.5MPa to push light parcels on a sorting line, with the 520mm stroke reaching across a 500mm belt.
Bin Push-Off Mechanism
Employs the 20kg vertical lift capacity to eject components from storage bins, benefiting from the compact profile body.
Light Assembly Ejector
Handles the ejection of small machined parts from a fixture, utilizing the 21mm adjustable cushions at both ends for smooth stops.
Replacing the Airtac SU32~50 Standard Cylinder SU32X520S with the SAU32X520S
To replace this discontinued SU32X520S, order the SAU32X520S keeping the 32mm bore, 520mm stroke, 1/8" port, M10x1.25 rod thread and SC-series mounting. Because the -S magnet is present, note that your legacy CS1-B/DS1-B switches must change to CMSG/DMSG/EMSG sensors on the SAU. At 0.5MPa the 32mm bore yields 402N push and 345N pull; if you need more force, step up to the 40mm bore (628N push). A plain cylinder drifts without live air—the cushion only decelerates—so use an external rod lock for held loads. The 520mm stroke demands an external guide to prevent rod bending under side loads. If valve integration is needed, explore the SAUF variant.
Replacement checklist
- ✓ Same bore / stroke → SAU32X520S
- ✓ 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 SU32~50 Standard Cylinder SU32X520S FAQ
Yes, the SU32X520S is discontinued. The direct replacement is the SAU32X520S, offering the same 32mm bore, 520mm stroke, force, 1/8" port, and SC-series mounting. You can order the SAU equivalent directly.
The 32mm bore provides 402N push and 345N pull at 0.5MPa, 563N push at 0.7MPa, and a theoretical max of 82kgf at 1.0MPa. Because this is an -S model with a magnet, it used legacy CS1-B/DS1-B switches; the SAU replacement requires upgrading to CMSG/DMSG/EMSG sensors.
Related AirTAC SAU Cylinders
Request a Quote for the SAU32X520S
Send us the quantity and destination. We confirm price, stock and lead time on the SAU32X520S replacement — usually within 7-8 hours.