This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X300N, 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 SU50X300N
The AirTAC SU32~50 Standard Cylinder SU50X300N is a double-acting profile-type standard cylinder with a Ø50mm bore and 300mm stroke, 1/4" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU50X300N, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke300 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU50X300N
- 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 SU50X300N
The AirTAC SU50X300N is a discontinued double-acting profile-type cylinder with a 50mm bore and 300mm stroke. Delivering 982N push and 825N pull at 0.5MPa, it uses an extruded aluminum barrel with adjustable air cushions at both ends, making it shorter than an ISO 15552 unit of the same bore. This NBR-sealed version operates from -20 to +70C. The direct replacement is the SAU50X300N, sharing the same 1/4" port, M16x1.5 rod thread, and SC-series mounting.
Because this SKU lacks the -S magnet, it cannot accept a sensor. If you previously used an -S model, note the SAU upgrade transitions from legacy CS1-B/DS1-B switches to current CMSG/DMSG/EMSG sensors, and introduces the SAUF built-in-valve variant. A plain cylinder drifts on air loss; use an external rod lock for load holding.
Airtac SU32~50 Standard Cylinder SU50X300N Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU50X300N |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X300N |
| Bore size | Ø50 mm |
| Stroke | 300 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 SAU50X300N 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 SAU50X300N 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 SU50X300N
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 50 | Bore size in mm. |
| ×300 | 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 SU50X300N Is Used
Package Diverting
Pushes medium-weight cartons off a belt line using 982N at 0.5MPa, with the 300mm stroke clearing guide rails.
Pallet Stop Gate
Acts as a pneumatic stop for pallets up to 50kg, relying on external guides to prevent rod bending.
Component Ejection
Ejects machined parts from a fixture, using adjustable end cushions to decelerate the 300mm travel smoothly.
Replacing the Airtac SU32~50 Standard Cylinder SU50X300N with the SAU50X300N
To replace this discontinued SU50X300N, order the SAU50X300N. Confirm the 50mm bore, 300mm stroke, 1/4" port (PT/G/NPT), and SC-series mounting accessories (LB/FA/FB/CA/CB) are identical. This non-magnetic SKU cannot take a switch; if upgrading from an -S variant, migrate from CS1-B/DS1-B to CMSG/DMSG/EMSG sensors. The SAUF variant offers a built-in 4M solenoid valve the SU lacked. For sizing, a 40mm bore yields 628N push at 0.5MPa, while a 63mm bore yields 1559N. At 300mm stroke, prevent rod bending by guiding the load externally. Air cushions only decelerate near stroke end; to hold a load securely on air loss, install a pilot-operated check valve or rod lock.
Replacement checklist
- ✓ Same bore / stroke → SAU50X300N
- ✓ 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 SU50X300N FAQ
Yes, the AirTAC SU50X300N is discontinued. The direct replacement is the SAU50X300N. It matches the 50mm bore, 300mm stroke, 982N force, 1/4" port, and SC-series mounting. The SAU body uses current CMSG/DMSG/EMSG sensors instead of legacy CS1-B/DS1-B switches.
The 50mm bore has a 1/4" port. It pushes 982N and pulls 825N at 0.5MPa, pushes 1374N at 0.7MPa, and reaches a theoretical max of 200kgf at 1.0MPa. The cylinder operates at 30-800mm/s and does not hold load without live air.
Related AirTAC SAU Cylinders
Request a Quote for the SAU50X300N
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X300N replacement — usually within 7-8 hours.