This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU100X300S, 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 SU63-100 Standard Cylinder SU100X300S
The AirTAC SU63-100 Standard Cylinder SU100X300S is a double-acting profile-type standard cylinder with a Ø100mm bore and 300mm stroke, 1/2" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU100X300S, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke300 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAU100X300S
- 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 SU63-100 Standard Cylinder SU100X300S
The AirTAC SU100X300S is a discontinued double-acting profile-type cylinder with a 100mm bore and 300mm stroke. Delivering 3927N push force at 0.5MPa, it uses an extruded aluminium barrel that is more compact than an ISO 15552 unit of the same size. AirTAC replaced this EOL unit with the SAU100X300S, a direct replacement retaining the exact 1/2" port, M20x1.5 rod thread, output force, and SC-series mounting accessories.
The -S magnet on this legacy model worked with CS1-B/DS1-B switches, but the SAU replacement requires current CMSG/DMSG/EMSG sensors. The SAU line also introduces the SAUF variant with a built-in 4M solenoid valve, an option the SU series never offered.
Airtac SU63-100 Standard Cylinder SU100X300S Technical Specifications
| Model | Airtac SU63-100 Standard Cylinder SU100X300S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU100X300S |
| Bore size | Ø100 mm |
| Stroke | 300 mm |
| Acting type | Double acting |
| Port size | 1/2" |
| Rod thread | M20×1.5 |
| 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, 29 mm |
| Max standard stroke | Up to 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU100X300S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 N | — |
| Max (@1.0 MPa) | 801 kgf | |
The SAU100X300S produces the same force from the same bore. Actual usable force is lower than theoretical; size with a margin.
Model Code: Airtac SU63-100 Standard Cylinder SU100X300S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 100 | 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 SU63-100 Standard Cylinder SU100X300S Is Used
Heavy Press Clamping
Secures large metal workpieces in machining fixtures, using the 3927N push force at 0.5MPa to prevent movement during heavy milling operations.
Pallet Diverting
Actuates heavy-duty routing gates on conveyor lines, where the 300mm stroke provides the reach needed to redirect loaded pallets.
Plastic Mould Ejection
Drives the ejection plate of large injection moulding machines, requiring the robust 25mm piston rod and high force capacity.
Replacing the Airtac SU63-100 Standard Cylinder SU100X300S with the SAU100X300S
To replace this SU100X300S, order the SAU100X300S and verify your 1/2" port, M20x1.5 rod thread, and SC-series mounting hardware. Because this unit has the -S magnet, you must upgrade your legacy CS1-B/DS1-B switches to the CMSG/DMSG/EMSG family. If you need integrated air control, consider the SAUF valve-cylinder variant. When sizing both ways, the 80mm neighbour bore yields 2513N push at 0.5MPa, while this 100mm bore reaches 7068N at 0.9MPa. For the 300mm stroke, use an external guide to prevent rod bending under side loads. A plain cylinder drifts on air loss; the cushions only decelerate, so add an external rod lock or pilot-operated check valve to hold loads.
Replacement checklist
- ✓ Same bore / stroke → SAU100X300S
- ✓ 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 SU63-100 Standard Cylinder SU100X300S FAQ
Yes, the SU100X300S is discontinued. The direct replacement is the AirTAC SAU100X300S. It shares the same 100mm bore, 300mm stroke, 1/2" port, force output, and SC-series mounting, so it fits the same application without mechanical modifications.
The 100mm bore provides 3927N push and 3681N pull at 0.5MPa, 5497N push at 0.7MPa, and a theoretical max of 801kgf at 1.0MPa. Because this is an -S model, it has a piston magnet for legacy CS1-B/DS1-B switches; the SAU replacement requires upgrading to CMSG/DMSG/EMSG sensors.
Related AirTAC SAU Cylinders
Request a Quote for the SAU100X300S
Send us the quantity and destination. We confirm price, stock and lead time on the SAU100X300S replacement — usually within 7-8 hours.