This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X350STC, 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 SU50X350STC
The AirTAC SU32~50 Standard Cylinder SU50X350STC is a double-acting profile-type standard cylinder with a Ø50mm bore and 350mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU50X350STC, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke350 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU50X350STC
- 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 SU50X350STC
The AirTAC SU50X350STC is a discontinued double-acting profile-type cylinder with a 50mm bore and 350mm stroke. It delivers 982 N push force at 0.5 MPa via a 1/4" port. AirTAC replaced this legacy unit with the SAU50X350STC, a direct upgrade retaining the exact bore, stroke, force, port, and SC-series TC mounting interface.
Because the original features a piston magnet (-S), it used legacy CS1-B/DS1-B switches; the SAU replacement upgrades to current CMSG/DMSG/EMSG sensors. The SAU family also adds a SAUF built-in 4M valve option the SU lacked.
Airtac SU32~50 Standard Cylinder SU50X350STC Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU50X350STC |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X350STC |
| Bore size | Ø50 mm |
| Stroke | 350 mm |
| Acting type | Double acting |
| Port size | 1/4" |
| Rod thread | M16×1.5 |
| 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 SAU50X350STC carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
| Max (@1.0 MPa) | 200 kgf | |
The SAU50X350STC 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 SU50X350STC
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×350 | 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 SU50X350STC Is Used
Package Diversion
Actuates routing gates on packaging lines where the 982 N push force easily deflects standard totes.
Vertical Lift Stops
Raises 50 kg pallet stops using the 350mm stroke, requiring external guides to prevent rod bending.
Clamp Actuation
Drives mid-force clamping fixtures, taking advantage of the compact profile body and TC mount.
Replacing the Airtac SU32~50 Standard Cylinder SU50X350STC with the SAU50X350STC
To replace the SU50X350STC, order the SAU50X350STC. Confirm the 50mm bore, 350mm stroke, 1/4" port, M16x1.5 rod thread, and TC mounting. If stepping up, the 63mm bore yields 1559 N push at 0.5 MPa; stepping down to 40mm gives 628 N. The -S magnet means you must migrate from CS1-B/DS1-B to CMSG/DMSG/EMSG sensors. At 350mm, use external guides to prevent rod bending under side loads. For load holding on air loss, add an external rod lock, as cushions only decelerate.
Replacement checklist
- ✓ Same bore / stroke → SAU50X350STC
- ✓ 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 SU50X350STC FAQ
Yes, the SU50X350STC is discontinued. The direct replacement is the SAU50X350STC, matching the 50mm bore, 350mm stroke, 1/4" port, and TC mounting. You must upgrade -S sensors from CS1-B/DS1-B to CMSG/DMSG/EMSG.
At 0.5 MPa it pushes 982 N and pulls 825 N. Push is 1374 N at 0.7 MPa and 1767 N at 0.9 MPa, with a 200 kgf max at 1.0 MPa. Cushions only decelerate; use a rod lock to hold loads.
Related AirTAC SAU Cylinders
Request a Quote for the SAU50X350STC
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X350STC replacement — usually within 7-8 hours.