This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU63X400FB, 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 SU63X400FB
The AirTAC SU63-100 Standard Cylinder SU63X400FB is a double-acting profile-type standard cylinder with a Ø63mm bore and 400mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU63X400FB, which matches its bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke400 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU63X400FB
- 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 SU63X400FB
The AirTAC SU63X400FB is a discontinued double-acting profile-type cylinder with a 63 mm bore and 400 mm stroke. It delivers 1559 N push and 1402 N pull at 0.5 MPa, utilizing a 3/8" port and an M16x1.5 piston rod. AirTAC replaced this end-of-line unit with the SAU63X400FB, a direct alternative retaining the exact body dimensions, output force, port size, and FB mounting interface.
Because this SKU lacks a magnet, it cannot accept position sensors. Furthermore, the SAU upgrade transitions to current CMSG/DMSG/EMSG switches if sensing is ever required, and introduces the SAUF built-in valve option absent in the legacy SU line.
Airtac SU63-100 Standard Cylinder SU63X400FB Technical Specifications
| Model | Airtac SU63-100 Standard Cylinder SU63X400FB |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU63X400FB |
| Bore size | Ø63 mm |
| Stroke | 400 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 SAU63X400FB 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 SAU63X400FB 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 SU63X400FB
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 63 | Bore size in mm. |
| ×400 | 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 SU63X400FB Is Used
Carton Diverting Gate
Actuates a pivoting diverter arm on a packaging line, using the 1559 N push force at 0.5 MPa to redirect heavy cardboard cartons smoothly.
Pallet Stopper Assembly
Deploys a 400 mm stroke stop block at the end of a gravity roller conveyor, securely halting incoming pallets prior to stretch wrapping.
Component Pusher Station
Transfers aluminum castings into a CNC machining fixture, relying on adjustable end cushions to decelerate the payload smoothly over the long travel.
Replacing the Airtac SU63-100 Standard Cylinder SU63X400FB with the SAU63X400FB
To replace the SU63X400FB, order the SAU63X400FB direct equivalent, verifying the 63 mm bore, 400 mm stroke, 3/8" port, M16x1.5 rod thread, and SC-series FB front mounting bracket. If stepping up or down, adjacent bores are 50 mm (982 N push @0.5 MPa) and 80 mm (2513 N push @0.5 MPa). This non-magnetic version cannot support sensors; adding a magnet to the SAU requires the newer CMSG/DMSG/EMSG family rather than the legacy CS1-B/DS1-B switches. Note that a plain cylinder drifts without live air, so use an external rod lock or pilot-operated check valve for load holding. Finally, the 400 mm stroke necessitates an external guide to prevent rod bending under side loads.
Replacement checklist
- ✓ Same bore / stroke → SAU63X400FB
- ✓ 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 SU63X400FB FAQ
Yes, the SU63X400FB is discontinued. The direct replacement is the AirTAC SAU63X400FB. It matches the 63 mm bore, 400 mm stroke, 318 kgf max force, 3/8" port, and SC-series FB mounting, fitting the exact same application footprint.
At 0.5 MPa it provides 1559 N push and 1402 N pull, increasing to 2182 N push at 0.7 MPa and 2805 N at 0.9 MPa, with a theoretical max of 318 kgf at 1.0 MPa. This specific SKU has no magnet and cannot take sensors; if sensing is needed on the SAU replacement, you must use CMSG/DMSG/EMSG switches instead of the older CS1-B/DS1-B.
Related AirTAC SAU Cylinders
Request a Quote for the SAU63X400FB
Send us the quantity and destination. We confirm price, stock and lead time on the SAU63X400FB replacement — usually within 7-8 hours.