This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X380, 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 SU50X380
The AirTAC SU32~50 Standard Cylinder SU50X380 is a double-acting profile-type standard cylinder with a Ø50mm bore and 380mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU50X380, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke380 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU50X380
- 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 SU50X380
The AirTAC SU50X380 is a discontinued double-acting profile-type cylinder with a 50mm bore and 380mm stroke. Built with an extruded aluminum barrel and adjustable air cushions at both ends, it delivers 982 N push force at 0.5 MPa. AirTAC replaced this unit with the SAU50X380 direct replacement, retaining the exact body profile, 1/4" port, M16x1.5 rod thread, and SC-series mounting compatibility.
When upgrading, note that the SAU50X380 uses modern CMSG/DMSG/EMSG sensors, whereas this legacy SU lacked a magnet entirely and cannot accept any switch. The SAU line also introduces a SAUF variant with a built-in 4M solenoid valve.
Airtac SU32~50 Standard Cylinder SU50X380 Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU50X380 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X380 |
| Bore size | Ø50 mm |
| Stroke | 380 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 SAU50X380 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 SAU50X380 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 SU50X380
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×380 | 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 SU50X380 Is Used
Vertical Lifting
Raises lightweight tote bins up to 50 kg against gravity, requiring a pilot-operated check valve to prevent drift on air loss.
Material Ejection
Ejects molded parts from a press, relying on the 21mm adjustable air cushions to decelerate the 20mm rod smoothly at stroke end.
Replacing the Airtac SU32~50 Standard Cylinder SU50X380 with the SAU50X380
To replace the SU50X380, order the SAU50X380 direct equivalent, confirming the 50mm bore, 380mm stroke, 1/4" port, and SC-series mounting hardware are retained. Because this specific SKU has no magnet (-S), it cannot accept a sensor; if position detection is needed on the new unit, you must order an SAU50X380S and use CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B. For sizing alternatives, dropping to a 40mm bore yields 628 N push at 0.5 MPa, while stepping up to a 63mm bore provides 1559 N. Note that a plain cylinder drifts on air loss—the cushions only decelerate end-of-stroke—so fit an external rod lock or pilot-operated check valve for held loads. At 380mm stroke, prevent rod bending by guiding the load externally to avoid side-load stress. If faster actuation is needed, explore the SAUF valve-integrated variant.
Replacement checklist
- ✓ Same bore / stroke → SAU50X380
- ✓ 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 SU50X380 FAQ
Yes, the SU50X380 is discontinued. The direct replacement is the AirTAC SAU50X380, which matches the 50mm bore, 380mm stroke, 982 N force at 0.5 MPa, 1/4" port, and SC-series mounting.
It delivers 982 N push and 825 N pull at 0.5 MPa, 1374 N push at 0.7 MPa, and a theoretical max of 200 kgf at 1.0 MPa. This specific SKU lacks a magnet and cannot take a sensor; the SAU50X380S replacement uses CMSG/DMSG/EMSG switches.
Request a Quote for the SAU50X380
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X380 replacement — usually within 7-8 hours.