Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X125-08B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X125-08B is a genuine double-acting profile-type cylinder with a Ø32mm bore, 125mm 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.
- BoreØ32 mm
- Stroke125 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X125-08B
The AirTAC SAUF32X125-08B is a double-acting profile cylinder with a built-in 4M210-08 5/2 solenoid valve on the cap. One coil signal drives the actuator, saving a manifold slot and tubing for decentralized setups. The extruded aluminum barrel is shorter than an ISO 15552 unit of the same bore. It has a 32mm bore, 125mm stroke, 1/8" cylinder port, and an M10x1.25 rod thread.
Operating strictly within the 0.15-0.8 MPa valve window, it delivers 402N push and 345N pull at 0.5MPa. The 1/4" valve port yields a 16mm2 flow (Cv 0.89) at up to 5 cycles/sec. This DC24V terminal-entry coil is IP65 rated. For sizing, the safe working load is roughly 241N, and vertical lift is about 20kg with a 2:1 margin. Note this SKU lacks the S suffix, so it cannot take a magnetic switch.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X125-08B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X125-08B |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø32 mm |
| Stroke | 125 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 1/8" |
| Rod thread | M10×1.25 |
| 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 (Ø32mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 402 N | 346 N |
| 0.7 MPa | 563 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 SAUF32X125-08B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 32×125 | 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 SAUF32X125-08B Is Used
Compact Part Ejection
Ideal for decentralized ejection on a packaging line, using one coil signal to clear parts without remote plumbing.
Diverter Gate Actuation
Drives small sorting gates directly at the station, saving manifold slots and simplifying machine wiring.
Light Clamping Jigs
Provides localized clamping on a multi-station fixture where running individual air lines to a central valve is impractical.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF32X125-08B the Right Choice?
Size by checking both neighbors: the 40mm bore offers higher force, while this 32mm unit provides 402N push at 0.5MPa for tighter spaces. Confirm the DC24V terminal entry matches your control voltage. The rod retracts when energized but can be reconfigured to extend by repositioning the valve. Always size force within the 0.15-0.8 MPa valve range, never the 1.0MPa cylinder body rating. The valve only routes air; it is not a load lock, so add an external rod lock or pilot-operated check valve to hold loads. For this 125mm stroke, side-load is minimal, but for strokes over 300mm add a guide to prevent rod bending.
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 SAUF32X125-08B FAQ
It generates 402N push and 345N pull at 0.5MPa. The built-in valve is a 4M210-08 (1/4" port, Cv 0.89, 5 cycles/sec) on a DC24V terminal coil. You must size force within the 0.15-0.8 MPa valve operating window, not the 1.0MPa cylinder body rating.
No remote valve is needed; the integrated 5/2 valve switches the cylinder from one coil signal. The valve routes air and is not a load lock, so the piston drifts on air loss. For load holding, install an external rod lock or pilot-operated check valve.
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