This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU63X70S, 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 SU63X70S
The AirTAC Airtac SU63-100 Standard Cylinder SU63X70S is a double-acting profile-type standard cylinder with a Ø63mm bore and 70mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU63X70S, which matches its bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke70 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU63X70S
- 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 SU63X70S
The AirTAC SU63X70S is a discontinued double-acting profile-type cylinder with a 63 mm bore and 70 mm stroke. Delivering 1559 N push force at 0.5 MPa via a 3/8" port, it is replaced by the direct replacement SAU63X70S, which matches the exact body, force, and SC-series mounting. The extruded aluminum profile is more compact than a standard ISO 15552 cylinder of the same bore.
This -S SKU includes a piston magnet for legacy CS1-B/DS1-B switches, but the SAU replacement upgrades to CMSG/DMSG/EMSG sensors. The SAU line also adds a SAUF built-in-valve option the SU lacked.
Airtac SU63-100 Standard Cylinder SU63X70S Technical Specifications
| Model | Airtac SU63-100 Standard Cylinder SU63X70S |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU63X70S |
| Bore size | Ø63 mm |
| Stroke | 70 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 SAU63X70S 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 SAU63X70S 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 SU63X70S
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 63 | Bore size in mm. |
| ×70 | 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 SU63X70S Is Used
Clamping Medium Assemblies
Applies 1559 N of push force at 0.5 MPa to secure heavy metal or composite housings during CNC machining and fastening operations.
Package Diverting
Uses the 70 mm stroke to push cartons weighing up to 79 kg safely across transfer lanes without overwhelming the compact profile body.
Pallet Stop Gates
Acts as a robust physical stop for pallets on roller conveyors, absorbing impact via adjustable 21 mm air cushions at both ends.
Replacing the Airtac SU63-100 Standard Cylinder SU63X70S with the SAU63X70S
To replace this SU63X70S, order the SAU63X70S and confirm the 3/8" port, M16x1.5 rod thread, and PT/G/NPT thread choice. Because this is a -S model, note the sensor family changes from CS1-B/DS1-B to CMSG/DMSG/EMSG on the SAU. If sizing alternatives, the 80 mm bore yields 2513 N push at 0.5 MPa, while the 50 mm bore yields 982 N. A plain cylinder drifts on air loss—the cushion only decelerates—so use an external rod lock or pilot-operated check valve for held loads. The SAUF variant integrates a 4M solenoid valve if self-switching is needed.
Replacement checklist
- ✓ Same bore / stroke → SAU63X70S
- ✓ 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 SU63X70S FAQ
Yes, the SU63X70S is discontinued. The direct replacement is the AirTAC SAU63X70S. It shares the identical 63 mm bore, 70 mm stroke, 3/8" port, output force, and SC-series mounting, so it fits the same application. 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 theoretical max of 318 kgf at 1.0 MPa. Because this is a -S magnet model, the original used CS1-B/DS1-B switches; the SAU replacement requires the newer CMSG/DMSG/EMSG sensor family.
Request a Quote for the SAU63X70S
Send us the quantity and destination. We confirm price, stock and lead time on the SAU63X70S replacement — usually within 7-8 hours.