Airtac SAUF Series Valve-Mounted Air Cylinder SAUF80X75S-08B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF80X75S-08B is a genuine double-acting profile-type cylinder with a Ø80mm bore, 75mm stroke and a built-in 4M310-08 5/2 solenoid valve — it switches itself from one coil signal, so no separate remote valve or extra plumbing is needed.
- BoreØ80 mm
- Stroke75 mm
- Built-in valve4M310-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF80X75S-08B
The SAUF80X75S-08B is a double-acting profile cylinder with a built-in AirTAC 4M310 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 cylinder of the same bore. It has a 3/8" cylinder port, M20x1.5 rod thread, and 28mm adjustable cushions.
The integrated 4M310-08 valve has a 1/4" port, Cv 1.4 flow, and handles up to 4 cycles/sec. The DC24V coil offers IP65 protection with a 0.05s response. While the cylinder body rates to 1.0 MPa, the valve limits operation to 0.15-0.8 MPa. At 0.5 MPa it pushes 2513 N and pulls 2268 N. A computed buyer insight: safe working load is about 1508 N, allowing a 128 kg vertical lift with a 2:1 margin. The S suffix means a piston magnet is present for CMSG/DMSG/EMSG sensors.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF80X75S-08B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF80X75S-08B |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø80 mm |
| Stroke | 75 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 3/8" |
| Rod thread | M20×1.5 |
| PU tube | Ø10 × Ø6.5 |
| Built-in valve | 4M310-08 (5/2) |
|---|---|
| Valve flow | 25.0 mm² (Cv 1.40) |
| Max frequency | 4 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 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 SAUF80X75S-08B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 80×75 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M310-08. |
| 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 SAUF80X75S-08B Is Used
Decentralized Conveyor Diverter
Mounts directly at the divert gate to push packages off the belt. One DC24V signal actuates the 80mm bore without running long tubing back to a central manifold.
Independent Pallet Stopper
Acts as a standalone pallet stop on a roller line. The built-in 4M310 valve provides fast 4 cycles/sec operation right at the actuator, saving manifold space.
Machine Tool Clamp
Clamps heavy workpieces inside a machining cell. The 2513 N push force at 0.5 MPa holds the part firmly while the compact profile saves valuable floor space.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF80X75S-08B the Right Choice?
Size by checking both neighbor bores: the 63mm bore pushes 1559 N and the 100mm bore pushes 3927 N at 0.5 MPa. This 80mm bore gives 2513 N push and 2268 N pull at 0.5 MPa. Always size force within the 0.15-0.8 MPa valve window, not the 1.0 MPa cylinder rating. Confirm the DC24V terminal entry and PT thread suit your control system. The default action retracts the rod when energized, but you can reposition the valve to extend on energization. Because the valve only routes air, it is not a load lock; add an external rod lock or pilot-operated check valve to hold a load safely. For strokes 300mm or longer, use side-load guides 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 SAUF80X75S-08B FAQ
It delivers 2513 N push and 2268 N pull at 0.5 MPa. The built-in valve is a 4M310-08 (1/4" port, Cv 1.4, 4 cycles/sec). The coil is DC24V with terminal entry. You must size force within the 0.15-0.8 MPa valve operating window, even though the cylinder body rates to 1.0 MPa.
Yes. The default factory setting retracts the rod when the coil is energized. You can reconfigure it to extend on energization by physically repositioning the built-in valve on the cap. This allows you to choose the fail-safe direction for your application.
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