Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X450-08B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X450-08B is a genuine double-acting profile-type cylinder with a Ø40mm 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.
- BoreØ40 mm
- Stroke450 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X450-08B
The SAUF40X450-08B 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 is shorter than an ISO 15552 unit of the same bore. This SKU uses a terminal entry and has no magnet, so it cannot take a magnetic switch.
Operating within the 0.15-0.8 MPa valve window, this 40mm bore delivers 628N push and 528N pull at 0.5 MPa. The 1/4" valve port flows 16 mm2 (Cv 0.89) at up to 5 cycles/sec. Computed buyer insight: safe working load is roughly 377N (60% of the 0.5MPa push), allowing a vertical lift of about 32kg with a 2:1 margin. The cylinder port is 1/4", the rod is Ø16mm, and it uses PU tube Ø8xØ5.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X450-08B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X450-08B |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø40 mm |
| Stroke | 450 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 1/4" |
| Rod thread | M12×1.25 |
| 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 | 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 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 SAUF40X450-08B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 40×450 | 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 SAUF40X450-08B Is Used
Decentralized Divert Gate
One coil signal actuates this 450mm stroke diverter directly at the conveyor lane, cutting tubing runs back to a central manifold.
Remote Pusher Station
Ideal for a standalone pallet pusher where installing a remote valve island is impractical, saving a manifold slot.
Independent Clamp Arm
Mounts directly on a machine fixture to drive a 32kg vertical lift clamp without extra plumbing between the frame and valve.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X450-08B the Right Choice?
Size this 40mm bore against the neighbouring 32mm (402N push) and 50mm (982N push) options at 0.5 MPa. Confirm the DC24V terminal coil and PT thread before ordering. Default action retracts the rod when energised, but repositioning the valve switches it to extend-when-energised. Size force strictly within the 0.15-0.8 MPa valve range, not the 1.0 MPa cylinder body rating. Because the 450mm stroke exceeds 300mm, add external guides to prevent rod bending and side-load wear. The valve routes air and is not a lock; on air loss the piston drifts, so fit an external rod lock or pilot-operated check valve for held loads.
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 SAUF40X450-08B FAQ
It pushes 628N and pulls 528N at 0.5 MPa. The built-in valve is a 4M210-08 (1/4" port, Cv 0.89, 5 cycles/sec max) running on a DC24V terminal coil. You must size the force within the 0.15-0.8 MPa valve operating window, even though the cylinder body rates to 1.0 MPa.
By default the rod retracts when the coil is energised, but you can reposition the valve to extend-when-energised. The valve only routes air, so it is not a load lock; the piston will drift on air loss. Add an external rod lock or pilot-operated check valve to hold a load.
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