Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X450-08A
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X450-08A is a genuine double-acting profile-type cylinder with a Ø32mm bore, 450mm 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.
- BoreØ32 mm
- Stroke450 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X450-08A
The SAUF32X450-08A is a compact double-acting profile cylinder with a built-in AirTAC 4M210 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 SKU uses terminal entry with PT threads and has no magnet, so it cannot accept a magnetic switch.
Operating within the 0.15-0.8 MPa valve window, it delivers 402 N push and 345 N pull at 0.5 MPa. The 1/4" valve port flows 16 mm2 (Cv 0.89) at up to 5 cycles per second. For sizing, the computed safe working load is roughly 241 N, and it can vertically lift about 20 kg with a 2:1 margin. The cylinder port is 1/8", the rod is Ø12 mm with an M10x1.25 thread, and it uses Ø8xØ5 PU tubing.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X450-08A Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X450-08A |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø32 mm |
| Stroke | 450 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 1/8" |
| Rod thread | M10×1.25 |
| 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 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 SAUF32X450-08A
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 32×450 | 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 SAUF32X450-08A Is Used
Decentralized Clamping
Ideal for a machining cell where each clamping station switches itself via one AC220V signal, removing long tubing runs back to a central manifold.
Inline Divert Gate
Perfect for a 450 mm divert gate on a conveyor. The integrated 4M210 valve handles 5 cycles per second without needing a remote valve island.
Package Pusher
Fits a packaging line push-off that needs 241 N of safe working force. The compact profile saves space while the built-in valve simplifies wiring.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X450-08A the Right Choice?
Size force between the 0.15-0.8 MPa valve limits, never the 1.0 MPa cylinder body rating. At 0.5 MPa this 32 mm bore yields 402 N push; if you need more force, step up to the 40 mm bore (628 N push). The 450 mm stroke is well within the 1000 mm maximum but exceeds 300 mm, so use an external guide to prevent rod bending and side-load wear. Confirm your coil is AC220V with terminal entry. The rod retracts when energised by default; reposition the valve to extend on signal. Because the valve only routes air, add an external rod lock or pilot-operated check valve to hold a load safely.
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 SAUF32X450-08A FAQ
It uses a built-in 4M210-08 5/2 valve with a 1/4" port, Cv 0.89, and a 1/8" cylinder port. The AC220V terminal-entry coil runs at 5 cycles/sec. Push force is 402 N and pull is 345 N at 0.5 MPa. Always size within the 0.15-0.8 MPa valve operating window, as the 1.0 MPa cylinder body rating does not apply to the assembled unit.
No, the built-in valve only routes air and is not a lock; the piston will drift on air loss. Add an external rod lock or pilot-operated check valve for holding. By default the rod retracts when the coil is energised, but you can reposition the valve to make it extend on signal.
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