Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X80S-08A
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X80S-08A is a genuine double-acting profile-type cylinder with a Ø50mm bore, 80mm 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
- Stroke80 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X80S-08A
The SAUF50X80S-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, 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 has a 1/4" cylinder port, an M16x1.5 rod thread, and 21mm adjustable cushions.
Operating within the 0.15-0.8 MPa valve window, it delivers 982N push and 825N pull at 0.5 MPa. The valve flows 16mm2 (Cv 0.89) at up to 5 cycles/sec. The AC220V terminal entry coil is IP65 rated. With the -S suffix, a piston magnet is present for CMSG/DMSG/EMSG switches. For sizing, a safe working load is roughly 589N (60% of the 0.5MPa push), allowing a 50kg vertical lift with a 2:1 margin.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X80S-08A Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X80S-08A |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 80 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 SAUF50X80S-08A
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 50×80 | 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 SAUF50X80S-08A Is Used
Decentralized Clamping
Ideal for a machining cell where each clamping station needs independent control without routing long tubing back to a central manifold.
Inline Divert Gate
Perfect for a conveyor diverter arm requiring a single AC220V signal to actuate, saving manifold space on the main control panel.
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 SAUF50X80S-08A the Right Choice?
Size this 50mm bore against its neighbours: a 40mm bore gives 628N push at 0.5MPa, while a 63mm bore yields 1559N. This model provides 982N push and 825N pull at 0.5MPa. Confirm the AC220V terminal entry coil and 1/4" valve port suit your supply. The cylinder body rates to 1.0MPa, but you must size force within the built-in valve's 0.15-0.8MPa range. By default the rod retracts when energised; reposition the valve to extend on signal. The valve routes air, so for load holding add an external rod lock or pilot-operated check valve. At 80mm stroke side-load guides are not critical, but for strokes over 300mm add a guide to prevent rod binding.
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 SAUF50X80S-08A FAQ
It delivers 982N push and 825N pull at 0.5MPa. The built-in valve is a 4M210-08 (1/4" port, Cv 0.89, 5 cycles/sec) driven by an AC220V terminal coil. Although the cylinder body rates to 1.0MPa, the assembled unit must operate in the 0.15-0.8MPa valve window.
By default the rod retracts when the coil is energised, but you can reposition the valve to extend on signal. The valve only routes air; it is not a lock. If you need to hold a load on air loss, install an external rod lock or pilot-operated check valve.
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