This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU100X300STC, 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 SU100X300STC
The AirTAC SU63-100 Standard Cylinder SU100X300STC 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 SAU100X300STC, which matches its bore, stroke, force and mounting.
- BoreØ100 mm
- Stroke300 mm
- Port size1/2"
- Acting typeDouble acting
- Rod threadM20×1.5
- StatusDiscontinued → SAU100X300STC
- 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 SU100X300STC
The AirTAC SU100X300STC is a discontinued double-acting profile-type cylinder with a 100mm bore and 300mm stroke. Delivering 3927 N push and 3681 N pull at 0.5 MPa, its direct replacement is the SAU100X300STC, retaining the 1/2 inch port, M20x1.5 rod thread, and SC-series TC mounting interface.
The SAU upgrade keeps the compact extruded aluminum body—shorter than an ISO 15552 cylinder of the same bore—while introducing current CMSG/DMSG/EMSG sensors to replace the legacy CS1-B/DS1-B switches on this -S model. The SAU line also adds a SAUF built-in 4M valve option the SU lacked.
Airtac SU63-100 Standard Cylinder SU100X300STC Technical Specifications
| Model | Airtac SU63-100 Standard Cylinder SU100X300STC |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU100X300STC |
| 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 SAU100X300STC 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 SAU100X300STC 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 SU100X300STC
| 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 SU100X300STC Is Used
Heavy Press Clamping
Secures large metal castings during machining operations, utilizing the 3927 N push force at 0.5 MPa to prevent workpiece shifting under high tooling loads.
Palletized Load Ejection
Pushes heavy completed pallets off a conveyor line using the 200 kg safe vertical lift margin, with the TC mount absorbing lateral shift during the 300 mm stroke.
Industrial Door Actuation
Drives large automated blast cabinet doors, where the compact profile body saves space while the adjustable 29 mm cushions decelerate the heavy door mass at stroke ends.
Replacing the Airtac SU63-100 Standard Cylinder SU100X300STC with the SAU100X300STC
To replace this SU100X300STC, order the SAU100X300STC with the same 100mm bore, 300mm stroke, 1/2" port, and TC mounting. Because this unit has the -S magnet, note that your legacy CS1-B/DS1-B switches must change to the SAU's CMSG/DMSG/EMSG sensor family. If sizing alternatives, the adjacent 80mm bore yields 2513 N push at 0.5 MPa, while this 100mm bore reaches 5497 N at 0.7 MPa. For the 300mm stroke, use an external guide to prevent rod bending and side-load damage. A plain cylinder drifts on air loss—the cushion only decelerates—so add an external rod lock or pilot-operated check valve for load holding. The SAUF variant offers a built-in valve if compact actuation is needed.
Replacement checklist
- ✓ Same bore / stroke → SAU100X300STC
- ✓ 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 SU100X300STC FAQ
Yes, the AirTAC SU100X300STC is discontinued. The direct replacement is the SAU100X300STC. It matches the 100mm bore, 300mm stroke, 1/2" port, output force, and SC-series TC mounting. You simply order the SAU equivalent for an identical mechanical fit.
At 0.5 MPa it pushes 3927 N and pulls 3681 N; at 0.7 MPa it pushes 5497 N, with a theoretical max of 801 kgf at 1.0 MPa. Because this is an -S model, the legacy CS1-B/DS1-B switches are replaced by CMSG/DMSG/EMSG sensors on the SAU upgrade.
Related AirTAC SAU Cylinders
Request a Quote for the SAU100X300STC
Send us the quantity and destination. We confirm price, stock and lead time on the SAU100X300STC replacement — usually within 7-8 hours.