Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X225-08A
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X225-08A is a genuine double-acting profile-type cylinder with a Ø50mm bore, 225mm 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
- Stroke225 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X225-08A
The SAUF50X225-08A 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 makes it shorter than an ISO 15552 unit of the same bore. It features a 1/4" cylinder port, an M16x1.5 rod thread, and 21mm adjustable cushions.
Operating in the 0.15-0.8 MPa valve window, it delivers 982N push and 825N pull at 0.5 MPa. The 4M210-08 valve provides 16mm2 flow (Cv 0.89) and handles 5 cycles/sec. The AC220V terminal entry coil is IP65 rated. From the 0.5MPa push force, the computed safe working load is 589N, and it can vertically lift about 50kg with a 2:1 margin. This SKU lacks a magnet and cannot take a sensor.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X225-08A Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X225-08A |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 225 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 SAUF50X225-08A
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 50×225 | 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 SAUF50X225-08A Is Used
Decentralized Clamping
Ideal for clamping stations on large machines where running individual lines back to a main manifold is impractical.
Inline Divert Gate
Powers a diverting gate directly at the conveyor edge, switching itself with one coil signal to save tubing.
Independent Lift Stop
Operates a localized lift stop in a storage system without consuming a slot on the central valve island.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X225-08A the Right Choice?
Size against the 63mm bore (1559N push at 0.5MPa) or the 40mm bore (628N push) depending on your load. This 50mm bore provides 982N push at 0.5MPa within the 0.15-0.8 MPa valve range. Confirm the AC220V terminal entry and PT thread meet your electrical specs. The rod retracts when energised; reposition the valve to switch to extend-when-energised. Since this SKU lacks the S suffix magnet, it cannot accept a magnetic switch. The 225mm stroke is under the 300mm side-load threshold, but always guide the load. The valve routes air and is not a lock; for load holding on air loss, add an external rod lock or pilot-operated check valve.
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 SAUF50X225-08A FAQ
It generates 982N push and 825N pull at 0.5MPa. The built-in valve is a 4M210-08 (Cv 0.89, 5 cycles/sec) with an AC220V terminal entry coil. Size force within the 0.15-0.8 MPa valve operating window, as the assembled unit cannot run at the 1.0 MPa cylinder body limit.
By default the rod retracts when the coil is energised; you can reposition the valve to extend-when-energised. The 5/2 valve routes air but is not a lock, so the piston drifts on air loss. For load holding, install an external rod lock or pilot-operated check valve.
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