This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU32X550, 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 SU32X550
The AirTAC Airtac SU32~50 Standard Cylinder SU32X550 is a double-acting profile-type standard cylinder with a Ø32mm bore and 550mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU32X550, which matches its bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke550 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAU32X550
- 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 SU32X550
The AirTAC SU32X550 is a discontinued double-acting profile-type cylinder with a 32 mm bore and 550 mm stroke. It delivers 402 N push force at 0.5 MPa through a 1/8" port. AirTAC replaced this legacy unit with the SAU32X550 direct replacement, matching the exact bore, stroke, output force, port size, and SC-series mounting accessories.
The SAU upgrade introduces current CMSG/DMSG/EMSG sensors and a SAUF built-in valve option the SU line lacked. Note this specific SKU lacks a magnet, so it cannot accept a sensor.
Airtac SU32~50 Standard Cylinder SU32X550 Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU32X550 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU32X550 |
| Bore size | Ø32 mm |
| Stroke | 550 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 SAU32X550 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 SAU32X550 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 SU32X550
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×550 | 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 SU32X550 Is Used
Light-Part Diversion
Pushes small lightweight packages or cardboard flats on a 32 mm bore line using a 550 mm reach to clear the main conveyor belt path.
Bin Tray Extraction
Extracts shallow storage trays from racking up to 550 mm deep, operating safely within the 241 N working load limit for routine pick-place cycles.
Small Component Sorting
Cycles at 30-800 mm/s to sort plastic or small metal parts into chutes, relying on the 21 mm adjustable air cushions to dampen impact at stroke ends.
Replacing the Airtac SU32~50 Standard Cylinder SU32X550 with the SAU32X550
To replace the SU32X550, order the SAU32X550 direct equivalent, verifying the 1/8" port, M10x1.25 rod thread, and SC-series mounting (LB/FA/FB/CA/CB). If downsizing from a 40 mm bore, note the 40 mm yields 628 N push at 0.5 MPa; if upsizing from a 25 mm unit, this 32 mm bore provides 402 N. Because this 550 mm stroke exceeds 300 mm, use an external guide to prevent rod bending and side-load wear. The air cushion only decelerates the piston; it does not hold the load, so add an external rod lock or pilot-operated check valve for fail-safe holding. This non-magnetic SKU cannot support a sensor.
Replacement checklist
- ✓ Same bore / stroke → SAU32X550
- ✓ 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 SU32X550 FAQ
Yes, the SU32X550 is discontinued. The direct replacement is the AirTAC SAU32X550. It shares the identical 32 mm bore, 550 mm stroke, 1/8" port, and SC-series mounting, so it bolts directly into the same application.
It provides 402 N push and 345 N pull at 0.5 MPa, 563 N at 0.7 MPa, 724 N at 0.9 MPa, and a theoretical max of 82 kgf at 1.0 MPa. This specific SKU lacks a magnet and cannot take a sensor; the SAU32X550 replacement supports CMSG/DMSG/EMSG switches on its -S variant.
Request a Quote for the SAU32X550
Send us the quantity and destination. We confirm price, stock and lead time on the SAU32X550 replacement — usually within 7-8 hours.