Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350-08B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350-08B 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"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350-08B
The SAUF50X350-08B 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 cylinder 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 valve's 0.15-0.8 MPa window, it delivers 982N push and 825N pull at 0.5 MPa. The 1/4" valve port gives 16mm2 flow (Cv 0.89) at up to 5 cycles/sec. The DC24V terminal coil offers IP65 protection and under 0.05s response. For sizing, the safe working load is about 589N (60% of the 0.5MPa push), allowing a 50kg vertical lift with a 2:1 margin. Since this SKU lacks the -S magnet, it cannot accept magnetic switches.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350-08B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350-08B |
|---|---|
| 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 | 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 SAUF50X350-08B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 50×350 | 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 SAUF50X350-08B Is Used
Decentralized Conveyor Divert
Mounts directly on the line for one-signal diverting. The 4M210 valve handles 5 cycles/sec, and the 50kg vertical lift capacity easily handles standard packages.
Independent Machine Clamp
Ideal for isolated clamping stations far from the main manifold. The DC24V coil switches locally, saving long tubing runs back to a central valve island.
Compact Vertical Gate
The profile barrel saves space in tight frames. The 1/4" valve port provides Cv 0.89 flow, driving the 350mm stroke quickly without a remote valve.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X350-08B the Right Choice?
Size force between the 32mm bore (402N push) and 63mm bore (1559N push) at 0.5 MPa. This 50mm bore gives 982N push, making the 589N safe working load a good target. Confirm the DC24V terminal entry and PT threads match your supply. The default action retracts the rod when energised; reposition the valve to extend-when-energised. Always size within the 0.15-0.8 MPa valve range, not the 1.0 MPa cylinder body rating. The built-in valve routes air but does not lock the load; add an external rod lock or pilot-operated check valve to hold position. For the 350mm stroke, use external guides to prevent rod bending and side-load wear.
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 SAUF50X350-08B FAQ
It pushes 982N and pulls 825N at 0.5 MPa. The built-in 4M210-08 valve has a 1/4" port, Cv 0.89, and runs on DC24V. The cylinder body rates to 1.0 MPa, but you must size force within the valve's 0.15-0.8 MPa operating window.
No, this specific SKU lacks the -S magnet and cannot take a magnetic switch. Additionally, the built-in valve only routes air; it is not a load lock. The piston will drift on air loss, so add an external rod lock or pilot-operated check valve for holding.
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