This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU63X300, 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 SU63X300
The AirTAC SU63-100 Standard Cylinder SU63X300 is a double-acting profile-type standard cylinder with a Ø63mm bore and 300mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU63X300, which matches its bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke300 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU63X300
- 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 SU63X300
The AirTAC SU63X300 is a discontinued double-acting profile-type cylinder with a 63 mm bore and 300 mm stroke. AirTAC replaced this unit with the SAU63X300 direct replacement, retaining the exact bore, stroke, output force, port size, and SC-series mounting compatibility.
Because this SKU lacks a magnet, it cannot accept a sensing switch. The SAU upgrade introduces current CMSG/DMSG/EMSG sensors for magnetized variants and adds a SAUF built-in 4M solenoid valve option the SU line never offered. The extruded aluminum profile remains shorter than a same-bore ISO 15552 unit, and adjustable air cushions decelerate the load at both ends.
Airtac SU63-100 Standard Cylinder SU63X300 Technical Specifications
| Model | Airtac SU63-100 Standard Cylinder SU63X300 |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU63X300 |
| Bore size | Ø63 mm |
| Stroke | 300 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 SAU63X300 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 SAU63X300 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 SU63X300
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 63 | 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 SU63X300 Is Used
Package Diversion
Actuates routing gates on 300 mm strokes to redirect heavy cartons, utilizing the 1559 N push force to overcome friction at 0.5 MPa.
Clamp Actuation
Secures medium-weight workpieces in machining fixtures where the 1402 N pull force at 0.5 MPa provides reliable holding without deforming parts.
Replacing the Airtac SU63-100 Standard Cylinder SU63X300 with the SAU63X300
To replace the SU63X300, order the SAU63X300 with the same 63 mm bore, 300 mm stroke, M16x1.5 rod thread, and 3/8 inch port. Confirm your default PT thread or specify G/NPT, and reuse your existing SC-series mounting brackets. Since this specific SKU has no magnet, it cannot support a sensor; if you need position detection on the SAU, order an -S version and migrate from the legacy CS1-B/DS1-B switches to the current CMSG/DMSG/EMSG family. For sizing, the 63 mm bore yields 1559 N push and 1402 N pull at 0.5 MPa; if you need less force, a 50 mm bore provides 982 N, while an 80 mm bore offers 2513 N. At 300 mm stroke, prevent rod bending by guiding the load externally to avoid side-load stress. The cushion only decelerates the load and does not hold position on air loss; for secure load holding, install an external rod lock or pilot-operated check valve. If you want to simplify plumbing, consider the SAUF variant with its integrated valve.
Replacement checklist
- ✓ Same bore / stroke → SAU63X300
- ✓ 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 SU63X300 FAQ
Yes, the AirTAC SU63X300 is discontinued and end-of-life. The direct replacement is the SAU63X300. It features the same 63 mm bore, 300 mm stroke, 318 kgf max force, 3/8 inch port, and SC-series mounting, so it fits directly into your existing application.
The double-acting cylinder delivers 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. This specific SKU has no magnet, so it cannot accept a sensor; magnetized SAU replacements use CMSG/DMSG/EMSG switches instead of the legacy CS1-B/DS1-B.
Request a Quote for the SAU63X300
Send us the quantity and destination. We confirm price, stock and lead time on the SAU63X300 replacement — usually within 7-8 hours.