Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X75-08B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X75-08B is a genuine double-acting profile-type cylinder with a Ø40mm bore, 75mm 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
- Stroke75 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X75-08B
The SAUF40X75-08B 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 cylinder of the same bore. This 40mm bore pushes 628N and pulls 528N at 0.5MPa, operating inside the 0.15-0.8MPa valve window.
The integrated valve provides 1/4" porting with 16mm2 flow (Cv 0.89) and handles up to 5 cycles per second. It uses a DC24V terminal entry coil rated IP65 with a 0.05s response. Based on the 0.5MPa push force, the safe working load is about 377N, allowing a vertical lift of roughly 32kg with a 2:1 margin. The cylinder port is 1/4" and uses PU tube Ø8xØ5.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X75-08B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X75-08B |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø40 mm |
| Stroke | 75 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 SAUF40X75-08B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 40×75 | 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 SAUF40X75-08B Is Used
Decentralized Clamping
Ideal for a machining cell where each clamping station uses one coil signal to actuate independently, saving manifold space and tubing runs.
Inline Divert Gate
Perfect for a conveyor diverter that needs a self-contained actuator. The built-in 4M210-08 valve cycles up to 5 times per second for rapid sorting.
Package Stopper
Suits a packaging line stop gate. The compact profile cylinder fits tight machine frames while delivering 628N push force at 0.5MPa.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF40X75-08B the Right Choice?
Size by checking both neighboring bores: a 32mm bore offers 402N push at 0.5MPa, while a 50mm bore provides 982N. This 40mm bore delivers 628N push and 528N pull at 0.5MPa. Confirm the DC24V terminal entry coil and 1/4" valve port meet your supply. The cylinder body rates to 1.0MPa, but the assembled unit must operate within the 0.15-0.8MPa valve range. By default the rod retracts when energized; reposition the valve to switch to extend-when-energized. Because this SKU lacks the S magnet suffix, it cannot accept a magnetic switch. The valve only routes air, so for load holding on pressure loss add an external rod lock or pilot-operated check valve. For this 75mm stroke side-load is minimal, but add a guide for any stroke over 300mm.
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 SAUF40X75-08B FAQ
It delivers 628N push and 528N pull at 0.5MPa. The built-in valve is a 4M210-08 5/2 solenoid with 1/4" porting, Cv 0.89, and a DC24V coil. Although the cylinder body rates to 1.0MPa, the assembled unit must operate within the 0.15-0.8MPa valve window.
Yes, you can reconfigure it to extend-when-energized by repositioning the valve. The valve routes air but is not a load lock; the piston drifts on air loss. For load holding, install an external rod lock or pilot-operated check valve.
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