This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU32X255, 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 SU32X255
The AirTAC Airtac SU32~50 Standard Cylinder SU32X255 is a double-acting profile-type standard cylinder with a Ø32mm bore and 255mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU32X255, which matches its bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke255 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAU32X255
- 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 SU32X255
The AirTAC SU32X255 is a discontinued double-acting profile cylinder with a 32mm bore and 255mm stroke. It delivers 402N push force at 0.5MPa via a 1/8" port. AirTAC replaced this unit with the SAU32X255, a direct upgrade retaining the exact bore, stroke, output force, and SC-series mounting.
This compact extruded-aluminium body is shorter than an ISO 15552 equivalent. The SAU upgrade introduces CMSG/DMSG/EMSG sensors and a SAUF built-in-valve option. Note this non-magnetic SKU cannot accept a sensor.
Airtac SU32~50 Standard Cylinder SU32X255 Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU32X255 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU32X255 |
| Bore size | Ø32 mm |
| Stroke | 255 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 SAU32X255 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 SAU32X255 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 SU32X255
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×255 | 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 SU32X255 Is Used
Small Part Ejection
Uses the 402N push at 0.5MPa to reliably push lightweight machined components out of a fixture during automated assembly.
Package Diverting
Actuates a routing gate on a packaging line, where the 255mm stroke provides sufficient travel to redirect small cartons.
Bin Push-Off
Cycles to clear small totes from a gravity rack, leveraging the compact profile body to fit within tight conveyor framework.
Replacing the Airtac SU32~50 Standard Cylinder SU32X255 with the SAU32X255
To replace the SU32X255, order the SAU32X255, confirming the 1/8" port, M10x1.25 rod thread, and SC-series mounts. If stepping up, the 40mm bore yields 628N push at 0.5MPa; stepping down is unsupported. This non-magnetic SKU cannot take a switch, unlike the SAU -S which uses CMSG/DMSG/EMSG sensors. For stroke >=300mm, guide rods prevent side-load bending. The SAUF variant integrates a 4M valve. The cushion only decelerates; use a rod lock for load holding.
Replacement checklist
- ✓ Same bore / stroke → SAU32X255
- ✓ 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 SU32X255 FAQ
Yes, the SU32X255 is discontinued. The direct replacement is the SAU32X255. It shares the same 32mm bore, 255mm stroke, 402N force, 1/8" port, and SC-series mounting, so it drops right into the same application.
It delivers 402N push and 345N pull at 0.5MPa, 563N push at 0.7MPa, and a theoretical max of 82kgf at 1.0MPa. This specific non-magnetic SKU cannot accept a sensor. If sensing is needed, the SAU32X255-S replacement works with CMSG/DMSG/EMSG switches.
Request a Quote for the SAU32X255
Send us the quantity and destination. We confirm price, stock and lead time on the SAU32X255 replacement — usually within 7-8 hours.