This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X50SFA, 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 SU50X50SFA
The AirTAC Airtac SU32~50 Standard Cylinder SU50X50SFA is a double-acting profile-type standard cylinder with a Ø50mm bore and 50mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU50X50SFA, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke50 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU50X50SFA
- 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 SU50X50SFA
The AirTAC SU50X50SFA is a discontinued double-acting profile-type cylinder with a 50mm bore and 50mm stroke, delivering 982N push force at 0.5MPa via a 1/4" port. AirTAC replaced this unit with the SAU50X50SFA, a direct upgrade retaining the exact body dimensions, M16x1.5 rod thread, output force, and SC-series FA mounting interface.
This compact extruded-aluminum body is shorter than a standard ISO 15552 unit of the same bore. The SAU upgrade introduces CMSG/DMSG/EMSG sensors to replace the legacy CS1-B/DS1-B switches used here, and adds an optional SAUF built-in valve.
Airtac SU32~50 Standard Cylinder SU50X50SFA Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU50X50SFA |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X50SFA |
| Bore size | Ø50 mm |
| Stroke | 50 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 SAU50X50SFA 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 SAU50X50SFA 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 SU50X50SFA
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×50 | 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 SU50X50SFA Is Used
Component Clamping
Secures workpieces during machining using the 982N push force at 0.5MPa, with the compact 50mm profile saving valuable fixture space.
Package Diverting
Short 50mm stroke actuates sorting gates efficiently, while the FA mount provides rigid attachment to conveyor framing.
Replacing the Airtac SU32~50 Standard Cylinder SU50X50SFA with the SAU50X50SFA
To replace this discontinued SU50X50SFA, order the SAU50X50SFA direct equivalent, verifying your 1/4" port threads (PT/G/NPT) and FA mounting accessory. Because this SKU includes the -S magnet, note that your existing CS1-B/DS1-B switches must change to the CMSG/DMSG/EMSG family on the new SAU. For force sizing, this 50mm bore yields 982N push and 825N pull at 0.5MPa; if undersized, the neighboring 63mm bore provides 1559N push at the same pressure. A plain cylinder drifts on air loss—the cushion only decelerates—so fit an external rod lock or pilot-operated check valve for held loads. For applications needing integrated control, explore the SAUF variant featuring a built-in 4M solenoid valve.
Replacement checklist
- ✓ Same bore / stroke → SAU50X50SFA
- ✓ 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 SU50X50SFA FAQ
Yes, the SU50X50SFA is discontinued. The direct replacement is the AirTAC SAU50X50SFA, which matches the 50mm bore, 50mm stroke, 982N force, 1/4" port, and SC-series FA mounting. You simply order the SAU equivalent.
The 50mm bore provides 982N push and 825N pull at 0.5MPa, 1374N push at 0.7MPa, and a theoretical max of 200kgf at 1.0MPa. Because this model has the -S magnet, note that the SAU replacement upgrades the sensor compatibility from legacy CS1-B/DS1-B switches to the current CMSG/DMSG/EMSG family.
Related AirTAC SAU Cylinders
Request a Quote for the SAU50X50SFA
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X50SFA replacement — usually within 7-8 hours.