This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU32X400N, 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 SU32X400N
The AirTAC SU32~50 Standard Cylinder SU32X400N is a double-acting profile-type standard cylinder with a Ø32mm bore and 400mm stroke, 1/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU32X400N, which matches its bore, stroke, force and mounting.
- BoreØ32 mm
- Stroke400 mm
- Port size1/8"
- Acting typeDouble acting
- Rod threadM10×1.25
- StatusDiscontinued → SAU32X400N
- 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 SU32X400N
The AirTAC SU32X400N is a discontinued double-acting profile-type cylinder with a 32mm bore and 400mm stroke. It delivers 402N push and 345N pull at 0.5MPa via a 1/8 port. The direct replacement is the SAU32X400N, matching the bore, stroke, force, port and SC-series mounting.
This NBR-sealed unit cannot take a sensor (no -S). The SAU upgrade adds CMSG/DMSG/EMSG switch compatibility and a SAUF built-in valve option.
Airtac SU32~50 Standard Cylinder SU32X400N Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU32X400N |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU32X400N |
| Bore size | Ø32 mm |
| Stroke | 400 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 SAU32X400N 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 SAU32X400N 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 SU32X400N
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 32 | Bore size in mm. |
| ×400 | 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 SU32X400N Is Used
Small Part Ejection
Ejects molded plastic parts from a press area, where the compact profile body saves space and the NBR seals handle ambient temperatures.
Light Gate Operation
Actuates lightweight safety gates or vents, requiring an external guide to prevent rod bending over the 400mm extension.
Replacing the Airtac SU32~50 Standard Cylinder SU32X400N with the SAU32X400N
To replace this discontinued SU32X400N, order the SAU32X400N. Confirm the 1/8 port, M10x1.25 rod thread, NBR seals and SC-series mounting. Since this SKU lacks a magnet, it cannot accept a sensor; if sensing is needed, specify an SAU with -S to use CMSG/DMSG/EMSG switches. The 400mm stroke requires an external guide to prevent rod bending under side loads. For sizing, the 40mm bore offers higher force, while the 32mm provides 563N at 0.7MPa. Note that air cushions only decelerate; use an external rod lock or pilot-operated check valve to hold loads.
Replacement checklist
- ✓ Same bore / stroke → SAU32X400N
- ✓ 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 SU32X400N FAQ
Yes, the SU32X400N is discontinued. The direct replacement is the SAU32X400N, offering the same 32mm bore, 400mm stroke, 402N force, 1/8 port and SC-series mounting.
It provides 402N push and 345N pull at 0.5MPa, 563N at 0.7MPa, and a max of 82kgf at 1.0MPa. Because this specific SKU lacks a magnet, it cannot accept a sensor; the SAU -S variant uses CMSG/DMSG/EMSG switches.
Related AirTAC SAU Cylinders
Request a Quote for the SAU32X400N
Send us the quantity and destination. We confirm price, stock and lead time on the SAU32X400N replacement — usually within 7-8 hours.