This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU40X200S, 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 SU40X200S
The AirTAC SU32~50 Standard Cylinder SU40X200S is a double-acting profile-type standard cylinder with a Ø40mm bore and 200mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU40X200S, which matches its bore, stroke, force and mounting.
- BoreØ40 mm
- Stroke200 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM12×1.25
- StatusDiscontinued → SAU40X200S
- 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 SU40X200S
The AirTAC SU40X200S is a discontinued double-acting profile-type cylinder with a 40 mm bore and 200 mm stroke. It features an extruded aluminum barrel and adjustable air cushions at both ends, making it more compact than a standard ISO 15552 unit of the same size. Delivering 628 N push force at 0.5 MPa, it is replaced directly by the SAU40X200S.
The SAU40X200S is a direct replacement: it matches the 40 mm bore, 200 mm stroke, 1/4" port, M12x1.25 rod thread, and SC-series mounting. Because this SU model includes a magnet (-S), note that its legacy CS1-B/DS1-B switches are superseded by CMSG/DMSG/EMSG sensors on the SAU.
Airtac SU32~50 Standard Cylinder SU40X200S Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU40X200S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU40X200S |
| Bore size | Ø40 mm |
| Stroke | 200 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 SAU40X200S 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 SAU40X200S 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 SU40X200S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 40 | Bore size in mm. |
| ×200 | 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 SU40X200S Is Used
Package Diverting
Actuates diverting arms on packaging lines, using the 628 N push force at 0.5 MPa to push standard cartons reliably onto adjacent belts.
Small Part Ejection
Ejects molded plastic parts or machined components from fixtures, where the 200 mm stroke provides adequate clearance for robotic grippers.
Clamp Actuation
Drives secondary clamping mechanisms on CNC machining centers, utilizing the compact profile body to fit within tight work envelopes.
Replacing the Airtac SU32~50 Standard Cylinder SU40X200S with the SAU40X200S
To replace this SU40X200S, order the SAU40X200S and verify your 1/4" port (PT/G/NPT) and SC-series mounting hardware. The magnet (-S) carries over, but you must upgrade legacy CS1-B/DS1-B switches to current CMSG/DMSG/EMSG sensors. If your application needs a self-switching function, the SAU line offers a SAUF variant with a built-in 4M solenoid valve that the SU lacked. Sizing both ways: stepping down to a 32 mm bore drops push force to 402 N at 0.5 MPa, while stepping up to a 50 mm bore increases it to 982 N. Remember that a plain cylinder does not hold load on air loss—the cushion only decelerates—so use an external rod lock or pilot-operated check valve for suspended loads. At 200 mm stroke, side-load is minimal, but always guide the rod to prevent bending.
Replacement checklist
- ✓ Same bore / stroke → SAU40X200S
- ✓ 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 SU40X200S FAQ
Yes, the AirTAC SU40X200S is discontinued and end-of-life. The direct replacement is the SAU40X200S. It shares the identical 40 mm bore, 200 mm stroke, output force, 1/4" port, and SC-series mounting accessories, so it fits the same application directly.
At 0.5 MPa it provides 628 N push and 528 N pull force; 879 N push at 0.7 MPa; 1130 N at 0.9 MPa; with a theoretical max of 128 kgf at 1.0 MPa. Because this is an -S magnet model, note that the legacy CS1-B/DS1-B switches are obsolete; the SAU replacement uses current CMSG/DMSG/EMSG sensors.
Related AirTAC SAU Cylinders
Request a Quote for the SAU40X200S
Send us the quantity and destination. We confirm price, stock and lead time on the SAU40X200S replacement — usually within 7-8 hours.