Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X800S-06B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X800S-06B is a genuine double-acting profile-type cylinder with a Ø40mm bore, 800mm stroke and a built-in 4M210-06 5/2 solenoid valve — it switches itself from one coil signal, so no separate remote valve or extra plumbing is needed.
- BoreØ40 mm
- Stroke800 mm
- Built-in valve4M210-06
- Valve port1/8"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X800S-06B
The AirTAC SAUF40X800S-06B is a double-acting profile cylinder with a built-in 4M210-06 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. It features a 1/4" cylinder port and a 1/8" valve port.
Operating within the 0.15-0.8 MPa valve window, it delivers 628 N push force at 0.5 MPa. The DC24V terminal coil offers IP65 protection and a response under 0.05 s. The 4M210 valve flows 14 mm2 (Cv 0.78) at up to 5 cycles/s. For sizing, the safe working load is roughly 377 N, allowing a vertical lift of about 32 kg with a 2:1 margin. The S suffix provides a piston magnet for CMSG/DMSG/EMSG switches.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X800S-06B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X800S-06B |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø40 mm |
| Stroke | 800 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 1/4" |
| Rod thread | M12×1.25 |
| PU tube | Ø8 × Ø5 |
| Built-in valve | 4M210-06 (5/2) |
|---|---|
| Valve flow | 14.0 mm² (Cv 0.78) |
| 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 SAUF40X800S-06B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 40×800 | Bore × stroke in mm. |
| -06 | Valve port 1/8" → 4M210-06. |
| 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 SAUF40X800S-06B Is Used
Decentralized Conveyor Divert
Mounts directly on a conveyor diverter arm. One DC24V signal actuates the 800 mm stroke without routing long tubes back to a central manifold.
Remote Pusher Station
Ideal for a far-flung warehouse pusher. The integrated 4M210-06 valve eliminates a dedicated manifold slot, saving installation time and space.
Machine Guard Gate
Drives a long-stroke machine safety gate. The built-in magnet allows CMSG/DMSG sensors to confirm gate position at full extension.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X800S-06B the Right Choice?
Size by checking both neighboring bores: the 32 mm bore yields 402 N push at 0.5 MPa, while the 50 mm bore provides 982 N. This 40 mm bore gives 628 N push and 528 N pull at 0.5 MPa. Always size force within the 0.15-0.8 MPa valve range, not the 1.0 MPa cylinder body rating. Confirm the DC24V terminal entry and PT threads meet your electrical and plumbing needs. The rod retracts when the coil is energized, but you can reposition the valve to extend on energization. Because the valve only routes air, add an external rod lock or pilot-operated check valve to hold loads. For the 800 mm 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 SAUF40X800S-06B FAQ
It pushes 628 N and pulls 528 N at 0.5 MPa. The built-in valve is a 4M210-06 (1/8" port, Cv 0.78, 5 cycles/s max) running on DC24V. The cylinder body rates to 1.0 MPa, but you must size force within the assembled valve's 0.15-0.8 MPa operating window.
No. The built-in 5/2 valve routes air but does not lock the piston. If air is lost, the load drifts. For vertical load holding, install an external rod lock or a pilot-operated check valve. The default action retracts the rod when energized, but you can reposition the valve to extend on energization.
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