This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU40X1000SN, 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 SU40X1000SN
The AirTAC SU32~50 Standard Cylinder SU40X1000SN is a double-acting profile-type standard cylinder with a Ø40mm bore and 1000mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU40X1000SN, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke1000 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAU40X1000SN
- 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 SU40X1000SN
The AirTAC SU40X1000SN is a discontinued double-acting profile-type cylinder featuring a 40 mm bore and 1000 mm stroke. It delivers 628 N push force at 0.5 MPa through a 1/4" port. AirTAC replaced this legacy unit with the SAU40X1000SN, a direct replacement retaining the exact bore, stroke, output force, and SC-series mounting footprint.
When upgrading to the SAU40X1000SN, the body dimensions and NBR seals remain unchanged, but the legacy CS1-B/DS1-B sensors are replaced by current CMSG/DMSG/EMSG switches. The new SAU line also introduces a SAUF variant with a built-in 4M solenoid valve.
Airtac SU32~50 Standard Cylinder SU40X1000SN Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU40X1000SN |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU40X1000SN |
| Bore size | Ø40 mm |
| Stroke | 1000 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 SAU40X1000SN 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 SAU40X1000SN 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 SU40X1000SN
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×1000 | 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 SU40X1000SN Is Used
Long-Reach Diversion
Drives a 1000 mm stroke diverter arm on a packaging line, utilizing the 628 N push force to redirect heavy cartons at 0.5 MPa operating pressure.
Automated Door Actuation
Opens and closes large machine safety doors over a one-meter span, relying on adjustable 21 mm air cushions at both ends for smooth deceleration.
Replacing the Airtac SU32~50 Standard Cylinder SU40X1000SN with the SAU40X1000SN
To replace the discontinued SU40X1000SN, order the SAU40X1000SN direct equivalent, verifying the 1/4" port, M12x1.25 rod thread, and SC-series mounting accessories. Because this is a 1000 mm stroke, external guides are strongly recommended to prevent rod bending and excessive side loading. For higher force needs, step up to a 50 mm bore (982 N push at 0.5 MPa); for lower loads, a 32 mm bore provides 402 N. This NBR-sealed unit operates from -20 to +70 C. Note that the -S magnet requires switching to CMSG/DMSG/EMSG sensors on the SAU. A plain cylinder drifts without air; use an external rod lock for load holding.
Replacement checklist
- ✓ Same bore / stroke → SAU40X1000SN
- ✓ 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 SU40X1000SN FAQ
Yes, the SU40X1000SN is discontinued. The direct replacement is the AirTAC SAU40X1000SN. It shares the identical 40 mm bore, 1000 mm stroke, 1/4" port, output force, and SC-series mounting. The main upgrade is that the SAU uses current CMSG/DMSG/EMSG sensors instead of the legacy CS1-B/DS1-B switches.
The 40 mm bore generates 628 N push and 528 N pull at 0.5 MPa, 879 N push at 0.7 MPa, 1130 N push at 0.9 MPa, and a theoretical maximum of 128 kgf at 1.0 MPa. Operating pressure is 0.15-1.0 MPa. The -N NBR seals allow operation from -20 to +70 C. The air cushions only decelerate the load; they do not hold position without live air.
Related AirTAC SAU Cylinders
Request a Quote for the SAU40X1000SN
Send us the quantity and destination. We confirm price, stock and lead time on the SAU40X1000SN replacement — usually within 7-8 hours.