Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350S-08A
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350S-08A is a genuine double-acting profile-type cylinder with a Ø50mm bore, 350mm 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
- Stroke350 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350S-08A
The SAUF50X350S-08A is a double-acting profile cylinder with a built-in AirTAC 4M210-08 5/2 solenoid valve on the cap. One coil signal drives the actuator directly, eliminating remote plumbing and saving a manifold slot. The extruded aluminum barrel makes it shorter than an ISO 15552 cylinder of the same bore. This 50mm bore unit has a 1/4" cylinder port and a 1/4" valve port.
It delivers 982N push and 825N pull at 0.5MPa. The safe working load is about 589N, allowing a vertical lift of roughly 50kg with a 2:1 margin. The integrated valve flows 16mm2 (Cv 0.89) and handles 5 cycles/sec. The coil is AC220V with terminal entry and IP65 rating. The -S suffix means a piston magnet is present for CMSG/DMSG/EMSG switches. Size within the 0.15-0.8MPa valve window, not the 1.0MPa cylinder body rating.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350S-08A Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350S-08A |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 350 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 | AC220V · AC 3.5 VA |
| 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 SAUF50X350S-08A
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 50×350 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M210-08. |
| A | Coil voltage AC220V. |
| 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 SAUF50X350S-08A Is Used
Decentralized Conveyor Divert
Mounts directly at a lane diverter on a conveyor line. The built-in 4M210-08 valve switches the 350mm stroke locally, eliminating long tube runs back to a central manifold.
Independent Stack Pusher
Drives a carton pusher in a packing zone. One AC220V coil signal extends the rod to clear the station, saving a manifold slot while the magnet allows position tracking.
Machine Tool Clamp
Acts as a standalone clamping actuator on a machining cell. The 50mm bore provides 982N push at 0.5MPa, and the self-contained valve simplifies installation on moving subassemblies.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350S-08A the Right Choice?
When sizing, compare both directions: this 50mm bore gives 982N push and 825N pull at 0.5MPa, while the neighbouring 63mm bore gives 1559N push. The 350mm stroke is standard but long enough to require external guides to prevent rod bending under side loads. Confirm the AC220V terminal entry matches your supply. Default action is retract-when-energised, but repositioning the valve changes it to extend-when-energised. The assembled unit must operate in the 0.15-0.8MPa valve range. The built-in valve routes air but does not lock the load; add an external rod lock or pilot-operated check valve for holding.
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 SAUF50X350S-08A FAQ
It delivers 982N push and 825N pull at 0.5MPa, rising to 1570N push at 0.8MPa. The built-in valve is a 4M210-08 (1/4" port, Cv 0.89, 5 cycles/sec) running on AC220V. Although the cylinder body rates to 1.0MPa, the assembled unit must operate within the valve's 0.15-0.8MPa window.
By default, energising the AC220V coil retracts the rod; you can reposition the valve to extend-when-energised. The 5/2 valve routes air but is not a load lock. If air is lost, the piston drifts. For vertical loads, add an external rod lock or pilot-operated check valve.
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