Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E is a genuine double-acting ISO 15552 cylinder with a Ø32mm bore, 50mm 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
- Stroke50 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC24V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E
The AirTAC SAIF32X50S-08E is a double-acting ISO 15552 profile cylinder with a built-in 4M210-08 5/2 solenoid valve, delivering a Cv of 0.89 and a 16.0 mm2 orifice. It generates 402N of push force at 0.5 MPa. Driven by an AC24V terminal entry coil drawing 3.5 VA, it features an IP65 rating and a rapid 0.05s activation time. The integrated design eliminates remote valves, saving panel space and plumbing for decentralized machine stations.
The base cylinder is dimensionally interchangeable per ISO 15552 and includes a magnet (-S) for CMSE reed and DMSE electronic sensors. While the cylinder body rates to 1.0 MPa, the practical SAIF operating range is 0.15-0.8 MPa due to the valve limits. The manifold connects to the cylinder via O8xO5 PU tubing, and by factory default, the piston rod retracts when the coil is energised but can be reconfigured to extend-when-energised by repositioning the valve.
Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø32 mm |
| Stroke | 50 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | G1/8 |
| 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 | AC24V · 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 SAIF at 0.15–0.8 MPa. Default: rod retracts when the coil is energised (reconfigurable to extend). Specs follow the official AirTAC SAIF 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 SAIF Series Standard Cylinder with Valve SAIF32X50S-08E
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 32×50 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M210-08. |
| E | Coil voltage AC24V. |
| I / (blank) | Terminal electrical entry. |
SAIF does not hold its load without air — the valve routes air, it is not a lock. For load-holding use a SAIL (lock) or BSAI (clamp-lock).
Where the Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E Is Used
Decentralized Stations
Ideal for large machines with decentralized stations, eliminating long tubing runs by switching the cylinder directly via an AC24V signal.
Space-Tight Machines
The integrated 4M210 valve manifold saves valuable panel space, fitting perfectly into compact assemblies where a remote valve bank would not fit.
Retrofit Installations
Perfect for retrofits where running new pneumatic tubing is costly or difficult, requiring only a single electrical connection to actuate the rod.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E the Right Choice?
Choose this 32mm bore when you need compact actuation up to 402N push force at 0.5 MPa; step up to the 40mm bore if your application requires 628N. The self-valved SAIF architecture is ideal for space-tight machines where running separate valve tubing is costly, as one AC24V terminal coil signal directly switches the cylinder. For stroke lengths at or above 300mm, always use a side-load guide to prevent rod damage.
This assembly uses a PT tapered thread type, a 1/8 cylinder port, and a 1/4 valve port. Remember that the built-in 5/2 valve routes air and is not a mechanical lock; if you need true load-holding without live pressure, consider the SAIL lock variant. To replace this unit, match the 32mm bore, 50mm stroke, 4M210-08 valve, AC24V voltage, terminal entry, and -S magnet.
Quick checklist
- ✓ Force at 0.15–0.8 MPa
- ✓ Coil voltage matches panel
- ✓ Terminal vs grommet entry
- ✓ Retract- or extend-when-energised
- ✓ Load-holding → SAIL / BSAI
Airtac SAIF Series Standard Cylinder with Valve SAIF32X50S-08E FAQ
At 0.5 MPa, this 32mm bore cylinder generates 402N of push force and 345N of pull force. The integrated 4M210-08 5/2 valve provides an effective area of 16.0 mm2 (Cv 0.89) with a maximum frequency of 5 cycles per second.
No separate valve is needed; the built-in valve switches the cylinder from one coil signal. By factory default, the rod retracts when the AC24V coil is energised, but this can be reconfigured to extend-when-energised simply by repositioning the valve.
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