This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU50X300, 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 SU50X300
The AirTAC SU32~50 Standard Cylinder SU50X300 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 SAU50X300, which matches its bore, stroke, force and mounting.
- BoreØ50 mm
- Stroke300 mm
- Port size1/4"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU50X300
- 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 SU50X300
The AirTAC SU50X300 is a discontinued double-acting profile-type cylinder with a 50mm bore and 300mm stroke. It delivers 982N push force at 0.5MPa through a 1/4 inch port. AirTAC replaced this end-of-line unit with the SAU50X300 direct replacement, preserving the exact bore, stroke, output force, port size, and SC-series mounting compatibility.
Because this SKU lacks a magnet, it cannot accept a sensor. The SAU upgrade introduces CMSG/DMSG/EMSG switches for its magnetic variants, plus a SAUF built-in-valve option the SU line never had. The extruded aluminum profile is more compact than an ISO 15552 cylinder of the same bore.
Airtac SU32~50 Standard Cylinder SU50X300 Technical Specifications
| Model | Airtac SU32~50 Standard Cylinder SU50X300 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU50X300 |
| 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 SAU50X300 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 SAU50X300 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 SU50X300
| 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 SU50X300 Is Used
Package Diverting
Pushes cartons at 30-800 mm/s on packaging lines where the 982N push force at 0.5 MPa easily handles standard transit boxes.
Parts Ejection
Clears machined components from fixtures using the 300mm stroke, requiring an external guide to prevent rod bending over the long extension.
Replacing the Airtac SU32~50 Standard Cylinder SU50X300 with the SAU50X300
To replace the SU50X300, order the SAU50X300 with the identical 50mm bore, 300mm stroke, M16x1.5 rod thread, and 1/4 inch port. Confirm your default PT thread and SC-series mounting accessories (LB, FA, FB, CA, CB, TC) carry over directly. Since this specific SKU has no magnet (-S), it cannot support sensing; if you need position detection on the SAU, specify the -S option and use the new CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B. For the 300mm stroke, use an external guide to prevent rod bending and side-load damage. A plain cylinder drifts on air loss, so add an external rod lock or pilot-operated check valve for load holding. If you need higher force, step up to the 63mm bore (1559N at 0.5MPa); for less force, drop to the 40mm bore (628N). The SAUF variant integrates a 4M solenoid valve if you want self-switching.
Replacement checklist
- ✓ Same bore / stroke → SAU50X300
- ✓ 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 SU50X300 FAQ
Yes, the SU50X300 is discontinued. The direct replacement is the AirTAC SAU50X300. It matches the 50mm bore, 300mm stroke, 982N force, 1/4 inch port, and SC-series mounting, so it fits the same application.
It provides 982N push and 825N pull at 0.5 MPa, 1374N push at 0.7 MPa, and a 200 kgf maximum at 1.0 MPa. This specific SKU lacks a magnet, so it cannot accept a sensor; magnetic SAU replacements use CMSG/DMSG/EMSG switches.
Request a Quote for the SAU50X300
Send us the quantity and destination. We confirm price, stock and lead time on the SAU50X300 replacement — usually within 7-8 hours.