This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU40X1100S, 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 SU40X1100S
The AirTAC SU32~50 Standard Cylinder SU40X1100S is a double-acting profile-type standard cylinder with a Ø40mm bore and 1100mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU40X1100S, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke1100 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAU40X1100S
- 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 SU40X1100S
The AirTAC SU40X1100S is a discontinued double-acting profile-type cylinder with a 40mm bore and 1100mm stroke. Delivering 628N push force at 0.5MPa, it features an extruded aluminum barrel and adjustable cushions, making it more compact than same-bore ISO 15552 units. AirTAC replaced this EOL unit with the SAU40X1100S direct replacement, matching the exact bore, stroke, 1/4" port, and SC-series mounting.
The -S magnet on this legacy model worked with CS1-B/DS1-B switches; the SAU replacement uses current CMSG/DMSG/EMSG sensors. The SAU line also adds a SAUF built-in-valve option the SU lacked. Note: at 1100mm, guide rods are recommended to prevent piston bending.
Airtac SU32~50 Standard Cylinder SU40X1100S Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU40X1100S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU40X1100S |
| Bore size | Ø40 mm |
| Stroke | 1100 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 SAU40X1100S 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 SAU40X1100S 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 SU40X1100S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×1100 | 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 SU40X1100S Is Used
Long-Stroke Diversion
Pushes packages across a 1.1-meter transfer station using the 628N push force at 0.5 MPa, requiring external guides to support the extended rod.
Material Extrusion
Drives a raw material pusher over a long 1.1m travel path, relying on the 21mm adjustable air cushions to decelerate the payload smoothly.
Replacing the Airtac SU32~50 Standard Cylinder SU40X1100S with the SAU40X1100S
To replace this SU40X1100S, order the SAU40X1100S, confirming the 40mm bore, 1100mm stroke, 1/4" port, and M12x1.25 rod thread. Because the -S magnet is present, prepare to swap legacy CS1-B/DS1-B switches for CMSG/DMSG/EMSG sensors on the SAU. A plain cylinder does not hold load without live air; the cushions only decelerate, so add an external rod lock or pilot-operated check valve for vertical holding. The 1100mm stroke requires external guides to prevent rod bending under side loads. For higher force, the 50mm bore offers 982N push at 0.5MPa; for less, the 32mm bore provides 402N. If space allows, the SAUF variant integrates a 4M solenoid valve.
Replacement checklist
- ✓ Same bore / stroke → SAU40X1100S
- ✓ 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 SU40X1100S FAQ
Yes, the AirTAC SU40X1100S is discontinued. The direct replacement is the SAU40X1100S. It shares the identical 40mm bore, 1100mm stroke, 628N output force at 0.5 MPa, 1/4" port, and SC-series mounting, so it fits the same application. You just order the SAU equivalent.
The 40mm bore delivers 628N push and 528N pull at 0.5 MPa, 879N push at 0.7 MPa, and a 128 kgf maximum at 1.0 MPa. Because your SU model has the -S magnet, note that the SAU replacement switches from legacy CS1-B/DS1-B switches to the current CMSG/DMSG/EMSG sensor family.
Related AirTAC SAU Cylinders
Request a Quote for the SAU40X1100S
Send us the quantity and destination. We confirm price, stock and lead time on the SAU40X1100S replacement — usually within 7-8 hours.