This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU63X308S, 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 SU63X308S
The AirTAC Airtac SU63-100 Standard Cylinder SU63X308S is a double-acting profile-type standard cylinder with a Ø63mm bore and 308mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU63X308S, which matches its bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke308 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU63X308S
- 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 SU63X308S
The AirTAC SU63X308S is a discontinued double-acting profile-type cylinder with a 63 mm bore and 308 mm stroke. It delivers 1559 N push force at 0.5 MPa through a 3/8 inch port. AirTAC replaced this end-of-life unit with the SAU63X308S, a direct replacement retaining the exact bore, stroke, output force, and SC-series mounting footprint.
When upgrading, note the SAU body uses current CMSG/DMSG/EMSG sensors instead of this model's legacy CS1-B/DS1-B switches, and the SAUF variant adds a built-in valve the SU lacked. The 308 mm stroke demands external guides to prevent rod bending under side loads.
Airtac SU63-100 Standard Cylinder SU63X308S Technical Specifications
| Model | Airtac SU63-100 Standard Cylinder SU63X308S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU63X308S |
| Bore size | Ø63 mm |
| Stroke | 308 mm |
| Acting type | Double acting |
| Port size | 3/8" |
| 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 1500 mm |
Specifications follow the official AirTAC SU datasheet (now discontinued). The SAU63X308S carries the same ratings. Confirm against the product label before installation. Thread options: PT / G / NPT.
Theoretical Output Force (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 N | — |
| Max (@1.0 MPa) | 318 kgf | |
The SAU63X308S 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 SU63X308S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 63 | Bore size in mm. |
| ×308 | 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 SU63X308S Is Used
Package Diversion
Pushes heavy cartons off a main conveyor line using the 1559 N push force at 0.5 MPa, with the 308 mm stroke clearing adjacent guide rails.
Pallet Stopper Gate
Acts as a pneumatic stop for incoming pallets, relying on the adjustable end cushions to decelerate moving loads smoothly.
Press Ejection
Ejects formed metal parts from a press bed, where the compact profile body saves space compared to standard ISO cylinders.
Replacing the Airtac SU63-100 Standard Cylinder SU63X308S with the SAU63X308S
To replace this SU63X308S, order the SAU63X308S and verify your 3/8 inch port, M16x1.5 rod thread, and SC-series mounting hardware. Because this SKU includes a magnet (-S), you must swap the legacy CS1-B/DS1-B switches for CMSG/DMSG/EMSG sensors. If your application needs integrated control, consider the SAUF valve-cylinder variant. For loads needing 2805 N at 0.9 MPa, step up to an 80 mm bore; if 982 N suffices, drop to a 50 mm bore. Remember, the air cushion only decelerates the piston; it does not hold load on air loss, so add an external rod lock or pilot-operated check valve for suspended loads. Finally, the 308 mm stroke requires external guides to prevent rod bending.
Replacement checklist
- ✓ Same bore / stroke → SAU63X308S
- ✓ 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 SU63X308S FAQ
Yes, the SU63X308S is discontinued. The direct replacement is the SAU63X308S. It matches the 63 mm bore, 308 mm stroke, 1559 N force, 3/8 inch port, and SC-series mounting. You simply order the SAU equivalent.
The 63 mm bore provides 1559 N push and 1402 N pull at 0.5 MPa, 2182 N push at 0.7 MPa, and a 318 kgf maximum at 1.0 MPa. Because this is an -S magnet model, the legacy CS1-B/DS1-B switches must be replaced by CMSG/DMSG/EMSG sensors on the new SAU unit.
Related AirTAC SAU Cylinders
Request a Quote for the SAU63X308S
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