This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU32X650S, 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.

The AirTAC Airtac SU32~50 Standard Cylinder SU32X650S is a double-acting profile-type standard cylinder with a Ø32mm bore and 650mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU32X650S, which matches its bore, stroke, force and mounting.
The AirTAC SU32X650S is a discontinued double-acting profile-type cylinder with a 32mm bore and 650mm stroke. It delivers 402N push at 0.5MPa via a 1/8 port. The direct replacement is the SAU32X650S, matching bore, stroke, force, and SC-series mounts.
The SAU upgrade switches the -S magnet to modern CMSG/DMSG/EMSG sensors (retiring CS1-B/DS1-B) and adds a SAUF built-in-valve option. The 650mm stroke requires external guides to prevent rod bending.
| Model | Airtac SU32~50 Standard Cylinder SU32X650S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU32X650S |
| Bore size | Ø32 mm |
| Stroke | 650 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 SAU32X650S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 N | — |
| Max (@1.0 MPa) | 82 kgf | |
The SAU32X650S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×650 | 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.
Ejects small machined components over 650mm, requiring linear guides to prevent side-load bending on the 12mm rod.
To replace this SU32X650S, order the SAU32X650S direct: verify 32mm bore, 650mm stroke, 1/8 port, M10x1.25 rod, and SC mounting. Because it has -S, migrate from CS1-B/DS1-B to CMSG/DMSG/EMSG sensors. For higher loads, neighboring bores (40mm gives 628N push @0.5MPa) are options. At 650mm stroke, use external guides to prevent rod bending. Plain cylinders drift without air; use a rod lock for holding. The SAUF adds a built-in valve.
Replacement checklist
Yes, the SU32X650S is discontinued. The direct replacement is the SAU32X650S, offering the same 32mm bore, 650mm stroke, 402N force, 1/8 port, and SC-series mounting compatibility.
The SAU32X650S provides 402N push and 345N pull at 0.5MPa, 563N at 0.7MPa, and 82kgf max at 1.0MPa. The -S magnet upgrades from legacy CS1-B/DS1-B switches to modern CMSG/DMSG/EMSG sensors.
Send us the quantity and destination. We confirm price, stock and lead time on the SAU32X650S replacement — usually within 7-8 hours.