This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X420SH, 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 SU50X420SH
The AirTAC SU32~50 Standard Cylinder SU50X420SH is a double-acting profile-type standard cylinder with a Ø50mm bore and 420mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU50X420SH, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke420 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU50X420SH
- 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 SU50X420SH
The AirTAC SU50X420SH is a discontinued double-acting profile-type cylinder with a 50mm bore and 420mm stroke. It delivers 982N push force at 0.5MPa via a 1/4" port. AirTAC replaced this unit with the SAU50X420SH, a direct upgrade retaining the exact bore, stroke, force, and SC-series mounting. The original -H seal provides a 0-150C Viton high-temperature range.
This long-stroke extruded-aluminium body is more compact than an ISO 15552 equivalent. The built-in magnet (-S) drove legacy CS1-B/DS1-B switches; the SAU replacement now uses CMSG/DMSG/EMSG sensors, and the SAU line adds a SAUF built-in-valve option.
Airtac SU32~50 Standard Cylinder SU50X420SH Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU50X420SH |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X420SH |
| Bore size | Ø50 mm |
| Stroke | 420 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 SAU50X420SH 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 SAU50X420SH 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 SU50X420SH
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×420 | 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 SU50X420SH Is Used
Hot-End Product Diversion
Actuates diverters on high-temperature conveyor lines, utilising the Viton -H seal up to 150C to push 50kg packages reliably over a 420mm span.
Extended-Reach Clamping
Provides 982N of clamping force at 0.5MPa across a wide 420mm gap, holding workpieces securely during automated machining operations.
Vertical Lift Gates
Raises and lowers access gates with a safe vertical lift capacity of roughly 50kg, relying on adjustable end cushions to decelerate the load smoothly.
Replacing the Airtac SU32~50 Standard Cylinder SU50X420SH with the SAU50X420SH
To replace this SU50X420SH, order the SAU50X420SH. Confirm the 1/4" port, M16x1.5 rod thread, and SC-series mounting accessories (LB/FA/FB/CA/CB) carry over directly. Because the -S magnet is present, note the sensor family changes from CS1-B/DS1-B to CMSG/DMSG/EMSG. The -H Viton seal handles 0-150C; verify your media compatibility. At 0.5MPa it yields 982N push and 825N pull; neighbouring bores are 40mm (628N) and 63mm (1559N). For the 420mm stroke, use an external guide to prevent rod bending under side loads. The cushion only decelerates; for load holding on air loss, install an external rod lock or pilot-operated check valve. The SAUF valve-integrated variant is available if you need self-switching.
Replacement checklist
- ✓ Same bore / stroke → SAU50X420SH
- ✓ 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 SU50X420SH FAQ
Yes, the AirTAC SU50X420SH is discontinued. The direct replacement is the SAU50X420SH. It shares the identical 50mm bore, 420mm stroke, 982N force, 1/4" port, and SC-series mounting, so it fits the same application without mechanical changes.
At 0.5MPa it provides 982N push and 825N pull; at 0.7MPa it pushes 1374N, with a theoretical max of 200kgf at 1.0MPa. Because this SKU includes the -S magnet, it used legacy CS1-B/DS1-B switches; the SAU replacement requires the current CMSG/DMSG/EMSG sensor family.
Related AirTAC SAU Cylinders
Request a Quote for the SAU50X420SH
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X420SH replacement — usually within 7-8 hours.