Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X80S-08A
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X80S-08A is a genuine double-acting profile-type cylinder with a Ø40mm bore, 80mm 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
- Stroke80 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X80S-08A
The SAUF40X80S-08A is an extruded aluminum profile-type double-acting cylinder with a built-in AirTAC 4M210-08 5/2 solenoid valve on the cap. One coil signal drives the cylinder, eliminating remote plumbing and saving a manifold slot. The bore sets the 1/4" cylinder port with an M12x1.25 rod thread, while the valve features a 1/4" port, 16 mm2 flow (Cv 0.89), and 5 cycles/s. It includes a piston magnet for CMSG/DMSG/EMSG switches.
Size force strictly within the 0.15-0.8 MPa valve operating window, even though the cylinder body rates to 1.0 MPa. At 0.5 MPa it delivers 628 N push and 528 N pull. For reliable sizing, the safe working load is roughly 377 N (about 60% of the 0.5 MPa push force), and it can vertically lift approximately 32 kg with a 2:1 margin.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X80S-08A Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X80S-08A |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø40 mm |
| Stroke | 80 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 | 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 (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 SAUF40X80S-08A
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 40×80 | 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 SAUF40X80S-08A Is Used
Diverter Gate Actuation
Drives a decentralized sorting flap directly at the conveyor lane using one AC220V signal, removing the need to route tubing back to a central manifold.
Independent Clamping Station
Provides single-signal clamping on an assembly cell, utilizing the built-in 4M210-08 valve to save manifold space and simplify pneumatic plumbing.
Carton Flap Folder
Folds packaging flaps with a compact 40 mm profile cylinder, benefiting from the 5 cycles/s valve speed and integrated magnetic piston for position feedback.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X80S-08A the Right Choice?
When sizing, compare neighboring bores: the 32 mm bore offers 402 N push at 0.5 MPa, while the 50 mm bore provides 982 N, against this 40 mm bore's 628 N. Confirm the AC220V terminal entry and PT threads suit your setup. The rod retracts by default when the coil is energized, but you can reposition the valve to extend on energization. Always operate within the 0.15-0.8 MPa valve range, never the 1.0 MPa cylinder body rating. Because the valve only routes air, add an external rod lock or pilot-operated check valve to hold loads safely. For this 80 mm stroke side-load is minimal, but for strokes over 300 mm use a guide to prevent rod damage.
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 SAUF40X80S-08A FAQ
It generates 628 N push and 528 N pull at 0.5 MPa. The built-in valve is a 4M210-08 (1/4" port, Cv 0.89, 5 cycles/s) running on AC220V with terminal entry. You must size the force within the valve's 0.15-0.8 MPa operating range, not the 1.0 MPa cylinder body limit.
Yes. The default action retracts the rod when the coil is energized, but you can reconfigure it to extend-when-energized simply by repositioning the built-in valve. Note that the valve routes air and is not a load lock, so an external rod lock is required to hold a load.
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