Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X200S-08B
The AirTAC Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X200S-08B is a genuine double-acting profile-type cylinder with a Ø50mm bore, 200mm 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.
- BoreØ50 mm
- Stroke200 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X200S-08B
The SAUF50X200S-08B is a double-acting profile-type cylinder with a built-in AirTAC 4M210-08 5/2 solenoid valve on the cap. One coil signal drives the actuator directly, eliminating remote plumbing and saving a manifold slot. The extruded aluminum barrel makes it shorter than an ISO 15552 cylinder of the same bore. This 50mm bore unit has a 1/4" cylinder port, a 200mm stroke, and a piston magnet for CMSG/DMSG/EMSG switches.
The integrated valve operates at 0.15-0.8 MPa, so size force within that window rather than the 1.0 MPa cylinder body rating. At 0.5 MPa it delivers 982N push and 825N pull. This yields a safe working load of roughly 589N, or a vertical lift capacity of about 50kg with a 2:1 margin. The valve flows 16mm2 (Cv 0.89) at up to 5 cycles per second, uses a DC24V terminal coil rated IP65, and pairs with Ø8xØ5 PU tube.
Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X200S-08B Technical Specifications
| Model | Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X200S-08B |
|---|---|
| Series | SAUF profile cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 200 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | 1/4" |
| Rod thread | M16×1.5 |
| 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 (Ø50mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 982 N | 825 N |
| 0.7 MPa | 1374 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 SAUF50X200S-08B
| SAUF | Profile cylinder with built-in 4M valve. |
|---|---|
| 50×200 | 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 SAUF50X200S-08B Is Used
Inline Divert Gate
A single coil signal actuates this divert gate on a conveyor, cutting tubing runs back to a central manifold and simplifying maintenance.
Decentralized Pallet Stop
Mount this self-switching cylinder directly at a pallet stop station. The integrated 4M210-08 valve provides fast 5Hz cycling without extra plumbing.
Independent Clamp Station
Drive a standalone clamping jaw on a large machine bed. The built-in valve saves a manifold slot and the magnetic piston allows position feedback.
Is the Airtac SAUF Series Valve-Mounted Air Cylinder SAUF50X200S-08B the Right Choice?
When sizing, compare both directions: this 50mm bore pushes 982N and pulls 825N at 0.5 MPa, whereas the neighbouring 63mm bore pushes 1559N, and the 40mm bore pushes 628N. Confirm the DC24V terminal entry and PT threads suit your supply. The default action retracts the rod when the coil is energised, but you can reposition the valve to extend on signal. Always operate within the 0.15-0.8 MPa valve range. Because the valve only routes air, add an external rod lock or pilot-operated check valve to hold a load safely. For this 200mm stroke, ensure adequate side-load guidance.
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 SAUF50X200S-08B FAQ
It features a 50mm bore, 200mm stroke, and a built-in 4M210-08 5/2 valve with 1/4" port, 16mm2 flow (Cv 0.89), and 5 cycles/sec max. The DC24V coil is IP65. It pushes 982N and pulls 825N at 0.5 MPa. You must size force within the valve's 0.15-0.8 MPa operating window, not the 1.0 MPa cylinder body rating.
By default the rod retracts when the coil is energised, but you can reconfigure it to extend-when-energised by repositioning the valve. The valve only routes air and is not a lock; on air loss the piston drifts. For load holding, install an external rod lock or pilot-operated check valve.
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