Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X50S-08A
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X50S-08A is a genuine double-acting profile-type cylinder with a Ø50mm bore, 50mm 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
- Stroke50 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X50S-08A
The SAUF50X50S-08A is a double-acting profile cylinder with a built-in AirTAC 4M210-08 5/2 solenoid valve on the cap. One AC220V coil signal drives the actuator, eliminating remote plumbing and saving a manifold slot. The extruded aluminum barrel is shorter than an ISO 15552 unit of the same bore. This 50mm bore features a 1/4" cylinder port, an M16x1.5 rod thread, and 21mm adjustable cushions. The S suffix means a piston magnet is present for CMSG/DMSG/EMSG switches.
Size force within the 0.15-0.8 MPa valve window, even though the cylinder body rates to 1.0 MPa. At 0.5 MPa it delivers 982N push and 825N pull. The 4M210-08 valve has a 1/4" port, 16 mm2 flow (Cv 0.89), and 5 cycles/s max. Computed buyer insight: safe working load is roughly 589N (60% of the 0.5MPa push), and vertical lift is about 50kg with a 2:1 margin. It uses a PU tube of Ø8xØ5.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X50S-08A Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X50S-08A |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 50 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 SAUF50X50S-08A
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 50×50 | 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 SAUF50X50S-08A Is Used
Decentralized Clamping
Ideal for a machining cell where each clamping station uses one coil signal to actuate independently, avoiding a central valve manifold.
Inline Divert Gate
Perfect for a conveyor diverter that needs self-contained switching, reducing tubing runs across the machine frame.
Package Stopper
Suits a packaging line stop gate where the integrated valve simplifies installation and the magnet allows position confirmation.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X50S-08A the Right Choice?
For sizing, this 50mm bore pushes 982N at 0.5MPa; step down to a 40mm bore (628N) or up to a 63mm bore (1559N) depending on your load. The 50mm stroke is the minimum for this bore family. Confirm the AC220V terminal entry and PT threads. The rod retracts when the coil is energised, but you can reposition the valve to extend-when-energised. Always size within the 0.15-0.8 MPa valve range, not the 1.0 MPa cylinder rating. The valve routes air and is not a lock; add an external rod lock or pilot-operated check valve to hold a load. For this 50mm stroke, side-load guides are not critical, but always support longer strokes.
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 SAUF50X50S-08A FAQ
It pushes 982N and pulls 825N at 0.5MPa. The built-in valve is a 4M210-08 (1/4" port, Cv 0.89, 5 cycles/s). The coil is AC220V with terminal entry. Size force within the 0.15-0.8 MPa valve operating window, not the 1.0 MPa cylinder body rating.
No, the built-in valve only routes air and is not a load lock. The rod retracts when energised by default, but you can reposition the valve to extend-when-energised. For load holding on air loss, add an external rod lock or pilot-operated check valve.
Request a Quote for Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X50S-08A
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