This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU40X220, 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 SU40X220
The AirTAC Airtac SU32~50 Standard Cylinder SU40X220 is a double-acting profile-type standard cylinder with a Ø40mm bore and 220mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU40X220, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke220 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAU40X220
- 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 SU40X220
The AirTAC SU40X220 is a discontinued double-acting profile cylinder with a 40mm bore and 220mm stroke. It delivers 628N push force at 0.5MPa via a 1/4" port. AirTAC replaced this unit with the SAU40X220, a direct alternative retaining the exact body, stroke, force, and SC-series mounting.
The SAU upgrade introduces CMSG/DMSG/EMSG sensors and a SAUF valve-integrated option the SU lacked. This non-magnet SKU cannot accept a sensor.
Airtac SU32~50 Standard Cylinder SU40X220 Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU40X220 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU40X220 |
| Bore size | Ø40 mm |
| Stroke | 220 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 SAU40X220 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 SAU40X220 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 SU40X220
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×220 | 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 SU40X220 Is Used
Package Diverting
Pushes cartons at 30-800mm/s on packaging lines using the 628N thrust, with adjustable 21mm cushions softening end-of-stroke impacts.
Small Part Ejection
Ejects molded parts from presses; the 220mm stroke provides clearance while the compact profile body saves critical machine footprint.
Replacing the Airtac SU32~50 Standard Cylinder SU40X220 with the SAU40X220
To replace this discontinued SU40X220, order the SAU40X220. Verify your 1/4" port thread (PT/G/NPT), M12x1.25 rod end, and SC-series mounts. Because this SKU lacks a magnet, it cannot take a sensor; if you need position detection, step up to an -S SAU model and switch to CMSG/DMSG/EMSG switches. At 220mm stroke, guide external rods to prevent side-load bending. For load holding on air loss, add an external rod lock or pilot-operated check valve, as cushions only decelerate. The SAUF variant offers a built-in 4M valve if needed.
Replacement checklist
- ✓ Same bore / stroke → SAU40X220
- ✓ 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 SU40X220 FAQ
Yes, the AirTAC SU40X220 is discontinued. The direct replacement is the SAU40X220. It shares the same 40mm bore, 220mm stroke, 1/4" port, output force, and SC-series mounting accessories, so it fits the same application directly.
At 0.5MPa it pushes 628N and pulls 528N; at 0.7MPa push is 879N, and the theoretical max is 128kgf at 1.0MPa. This specific SKU has no magnet and cannot accept a sensor. If sensing is required, an SAU -S model uses CMSG/DMSG/EMSG switches.
Request a Quote for the SAU40X220
Send us the quantity and destination. We confirm price, stock and lead time on the SAU40X220 replacement — usually within 7-8 hours.