This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU40X830S, 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 SU40X830S
The AirTAC Airtac SU32~50 Standard Cylinder SU40X830S is a double-acting profile-type standard cylinder with a Ø40mm bore and 830mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU40X830S, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke830 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAU40X830S
- 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 SU40X830S
The AirTAC SU40X830S is a discontinued double-acting profile-type cylinder with an 830 mm stroke and 40 mm bore. It delivers 628 N push force at 0.5 MPa through a 1/4" port. AirTAC replaced this legacy unit with the SAU40X830S, a direct sharing the exact bore, stroke, output force, and SC-series mounting accessories.
The SAU upgrade introduces CMSG/DMSG/EMSG sensors, replacing the SU's legacy CS1-B/DS1-B switches, and adds an optional SAUF built-in 4M valve. Note that this plain cylinder cannot hold a load without live air; the cushions only decelerate.
Airtac SU32~50 Standard Cylinder SU40X830S Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU40X830S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU40X830S |
| Bore size | Ø40 mm |
| Stroke | 830 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M12×1.25 |
| 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 1200 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU40X830S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 N | — |
| Max (@1.0 MPa) | 128 kgf | |
The SAU40X830S 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 SU40X830S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×830 | 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 SU40X830S Is Used
Long-Stroke Diversion
Pushes packages across transfer lines using the full 830 mm travel, relying on external guides to support the rod over the extended distance.
Vertical Material Lift
Raises lightweight totes up to 32 kg in pick modules, safely operating within the 377 N working load limit at 0.5 MPa.
Linear Actuation
Drives tooling carriages back and forth in assembly machinery where the compact 40 mm profile body saves space.
Replacing the Airtac SU32~50 Standard Cylinder SU40X830S with the SAU40X830S
To replace this SU40X830S, order the SAU40X830S. Confirm the 1/4" port, M12x1.25 rod thread, and SC-series mounts. Because the -S magnet is present, prepare to upgrade from CS1-B/DS1-B switches to the SAU's CMSG/DMSG/EMSG sensors. For the 830 mm stroke, use an external guide to prevent rod bending under side loads. If sizing alternatives, a 32 mm bore yields 402 N push at 0.5 MPa, while a 50 mm bore offers 982 N. To hold a load securely without live air, add an external rod lock or pilot-operated check valve, as the cushions only decelerate.
Replacement checklist
- ✓ Same bore / stroke → SAU40X830S
- ✓ 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 SU40X830S FAQ
Yes, the SU40X830S is discontinued. The direct replacement is the SAU40X830S, which shares the identical 40 mm bore, 830 mm stroke, 628 N force, 1/4" port, and SC-series mounting.
It provides 628 N push and 528 N pull at 0.5 MPa, 879 N push at 0.7 MPa, and a 128 kgf maximum at 1.0 MPa. The -S magnet works with legacy CS1-B/DS1-B switches; the SAU replacement requires CMSG/DMSG/EMSG sensors.
Related AirTAC SAU Cylinders
Request a Quote for the SAU40X830S
Send us the quantity and destination. We confirm price, stock and lead time on the SAU40X830S replacement — usually within 7-8 hours.