Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B is a genuine double-acting profile-type cylinder with a Ø50mm bore, 100mm stroke and a built-in 4M210-08 5/2 solenoid valve — it switches itself from one coil signal, so no separate remote valve or extra plumbing is needed.
- BoreØ50 mm
- Stroke100 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B
The SAUF50X100S-08B is a double-acting profile cylinder with a built-in AirTAC 4M210-08 5/2 solenoid valve on the cap. One DC24V coil signal drives the actuator directly, eliminating remote plumbing and saving a manifold slot. The extruded aluminum barrel makes it shorter than a standard ISO cylinder of the same bore. The S suffix denotes a piston magnet for CMSG/DMSG/EMSG switches.
This 50mm bore generates 982N push and 825N pull at 0.5MPa, operating within the valve's 0.15-0.8MPa range. The integrated valve offers 1/4" porting, 16mm2 flow (Cv 0.89), and 5 cycles/sec. The cylinder port is 1/4" with an M16x1.5 rod thread. For sizing, expect a safe working load around 589N, or a vertical lift capacity of roughly 50kg with a 2:1 margin.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 100 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 1/4" |
| Rod thread | M16×1.5 |
| PU tube | Ø8 × Ø5 |
| Built-in valve | 4M210-08 (5/2) |
|---|---|
| Valve flow | 16.0 mm² (Cv 0.89) |
| Max frequency | 5 cycle/sec |
| Coil voltage | DC24V · DC 3.0 W |
| Electrical entry | Terminal · IP65 · B class |
| Response time | 0.05 s and below |
| Operating pressure | 0.15 – 0.8 MPa (valve limit) |
| Speed range | 30 – 800 mm/s |
The cylinder rates to 1.0 MPa but the built-in valve operates 0.15–0.8 MPa, so run the assembled SAUF at 0.15–0.8 MPa. Default: rod retracts when the coil is energised (reconfigurable to extend). Specs follow the official AirTAC SAUF datasheet. Port options: PT / G.
Theoretical Output Force (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 N | — |
Sized within the valve's 0.15–0.8 MPa range. Actual usable force is lower than theoretical due to friction and back-pressure.
Model Code: Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 50×100 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M210-08. |
| B | Coil voltage DC24V. |
| I / (blank) | Terminal electrical entry. |
SAUF does not hold its load without air — the valve routes air, it is not a lock. For a held load, add an external rod lock or a pilot-operated check valve.
Where the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B Is Used
Decentralized Clamping
Ideal for distributed machining cells where bringing a 1/4" valve manifold to each station is impractical, letting the 50mm bore clamp parts directly from one DC24V signal.
Inline Diverting
Perfect for conveyor sorting gates that require independent 5 cycles/sec actuation without dedicating a central valve island slot to every single diverter.
Compact Package Stops
Suits tight packaging lines where the shorter profile barrel and integrated 4M210-08 valve minimize footprint while providing 982N of stopping force at 0.5MPa.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B the Right Choice?
Size by comparing neighboring bores: a 40mm bore yields 628N push while a 63mm bore yields 1559N at 0.5MPa. This 50mm unit provides 982N push, making it ideal for mid-range tasks. Confirm the DC24V terminal entry and PT threads suit your electrical and pneumatic supply. The cylinder body rates to 1.0MPa, but you must size force within the built-in valve's 0.15-0.8MPa operating window. The default action retracts the rod when energized; reposition the valve to extend on signal. Because the valve only routes air, add an external rod lock or pilot-operated check valve for load holding. For this 100mm stroke, side-loading is minimal, but always guide rod loads exceeding 300mm.
Quick checklist
- ✓ Force at 0.15–0.8 MPa
- ✓ Coil voltage matches panel
- ✓ Terminal vs grommet entry
- ✓ Retract- or extend-when-energised
- ✓ Load-holding → external rod lock
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X100S-08B FAQ
It features a 50mm bore, 100mm stroke, and a built-in 4M210-08 valve with 1/4" porting, Cv 0.89, and 5 cycles/sec. The DC24V coil (IP65, 3.0W) drives a double-acting cylinder generating 982N push at 0.5MPa. You must size the load within the valve's 0.15-0.8MPa operating window, never the cylinder body's 1.0MPa rating.
By default, energizing the coil retracts the rod, but you can reposition the valve to extend on signal. The 5/2 valve routes air for switching but does not lock the piston; on air loss the rod drifts and the 21mm cushion only decelerates near stroke end. Use an external rod lock or pilot-operated check valve for true load holding.
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