This model is discontinued
AirTAC has phased out the SU series. You can still order this code here: we ship the direct replacement SAU63X175STC, 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 SU63X175STC
The AirTAC SU63-100 Standard Cylinder SU63X175STC is a double-acting profile-type standard cylinder with a Ø63mm bore and 175mm stroke, 3/8" air ports and adjustable end cushioning. This model is discontinued — the direct replacement is the SAU63X175STC, which matches its bore, stroke, force and mounting.
- BoreØ63 mm
- Stroke175 mm
- Port size3/8"
- Acting typeDouble acting
- Rod threadM16×1.5
- StatusDiscontinued → SAU63X175STC
- 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 SU63X175STC
The AirTAC SU63X175STC is a discontinued double-acting profile-type cylinder with a 63 mm bore and 175 mm stroke. It delivers 1559 N push force at 0.5 MPa, making it a robust mid-range actuator. AirTAC replaced this legacy unit with the SAU63X175STC, a direct replacement retaining the exact 3/8" port, M16x1.5 rod thread, and SC-series TC mounting interface.
When upgrading, note that the SAU body uses current CMSG/DMSG/EMSG sensors instead of this model's legacy CS1-B/DS1-B switches, and the SAU line adds an optional SAUF built-in 4M valve. Remember that standard air cushions only decelerate the piston; an external rod lock is required to hold a load securely.
Airtac SU63-100 Standard Cylinder SU63X175STC Technical Specifications
| Model | Airtac SU63-100 Standard Cylinder SU63X175STC |
|---|---|
| Series | SU profile-type cylinder (discontinued) |
| Replacement | SAU63X175STC |
| Bore size | Ø63 mm |
| Stroke | 175 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 SAU63X175STC 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 SAU63X175STC 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 SU63X175STC
| SU | Profile-type standard cylinder (discontinued). |
|---|---|
| 63 | Bore size in mm. |
| ×175 | 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 SU63X175STC Is Used
Package Diverting
Actuates TC-mounted routing gates on packaging lines, using the 1559 N push force at 0.5 MPa to deflect heavy cartons smoothly.
Pallet Stopper
Functions as a robust pneumatic stop for roller conveyors, leveraging the 175 mm stroke to halt pallets entering a wrapping station.
Clamp Actuation
Drives mid-force clamping fixtures on machining cells, where the 79 kg vertical lift capacity securely holds workpieces for milling.
Replacing the Airtac SU63-100 Standard Cylinder SU63X175STC with the SAU63X175STC
To replace the SU63X175STC, order the SAU63X175STC and verify your 3/8" port, M16x1.5 rod thread, and TC mounting accessory. If the built-in magnet was specified for CS1-B/DS1-B switches, you must upgrade to CMSG/DMSG/EMSG sensors on the SAU. Sizing both ways: a 50 mm bore gives 982 N push at 0.5 MPa, while an 80 mm bore yields 2513 N. At 175 mm stroke, side-load risks are low, but always guide the load to prevent rod bending. This cylinder does not hold position without live air; use a pilot-operated check valve for load holding. If space allows, the SAUF variant integrates a 4M solenoid valve directly on the body.
Replacement checklist
- ✓ Same bore / stroke → SAU63X175STC
- ✓ 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 SU63X175STC FAQ
Yes, the AirTAC SU63X175STC is discontinued. The direct replacement is the SAU63X175STC. It shares the identical 63 mm bore, 175 mm stroke, 318 kgf max force, 3/8" port, and SC-series TC mounting, so it bolts right in. The only change is that if you used the -S magnet with legacy CS1-B/DS1-B switches, you must switch to CMSG/DMSG/EMSG sensors on the SAU.
The 63 mm bore features a 3/8" air port and a 20 mm rod. At 0.5 MPa it provides 1559 N push and 1402 N pull force. At 0.7 MPa the push force is 2182 N, and the theoretical maximum is 318 kgf at 1.0 MPa. The cylinder operates at 30-800 mm/s with adjustable 21 mm cushions at both ends.
Related AirTAC SAU Cylinders
Request a Quote for the SAU63X175STC
Send us the quantity and destination. We confirm price, stock and lead time on the SAU63X175STC replacement — usually within 7-8 hours.