Airtac SAIF Series Standard Cylinder with Valve SAIF50X175S-08B
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF50X175S-08B is a genuine double-acting ISO 15552 cylinder with a Ø50mm bore, 175mm 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
- Stroke175 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF50X175S-08B
The AirTAC SAIF50X175S-08B is a double-acting ISO 15552 profile cylinder equipped with a built-in 4M210-08 5/2 solenoid valve, delivering a Cv of 0.89 and a 16.0 mm2 effective orifice. Driven by a DC24V terminal coil drawing 3.0 W, it switches itself from a single electrical signal, eliminating remote plumbing. The integrated valve operates at 0.15-0.8 MPa, setting the practical working range for the assembly despite the cylinder body rating of 1.0 MPa.
Generating 982 N of push force at 0.5 MPa, this unit includes a magnet for CMSE reed and DMSE electronic sensors. By default, the piston rod retracts when the coil is energised, but you can reconfigure it to extend-when-energised by repositioning the valve. The manifold uses O8 x O5 PU tubing, and the 1/4" valve port differs from the cylinder's 1/4" port, ensuring precise air routing for decentralized machine stations.
Airtac SAIF Series Standard Cylinder with Valve SAIF50X175S-08B Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF50X175S-08B |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 175 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | G1/4 |
| 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 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 (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 SAIF Series Standard Cylinder with Valve SAIF50X175S-08B
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 50×175 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M210-08. |
| B | Coil voltage DC24V. |
| 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 SAIF50X175S-08B Is Used
Decentralized Assembly Stations
Ideal for large machines with distributed stations, using the built-in valve to cut down on centralized valve banks and complex tubing runs.
Compact Clamping Fixtures
Provides 982 N of clamping force at 0.5 MPa in tight spaces, where integrating a separate valve would bloat the fixture envelope.
Retrofit Automation Upgrades
Perfect for retrofits where adding a DC24V coil signal is easier than piping new air lines back to a main control panel.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF50X175S-08B the Right Choice?
Choose this 50 mm bore when you need higher force than the 40 mm bore (628 N push at 0.5 MPa) but want a smaller envelope than the 63 mm bore (1559 N). A self-valved SAIF beats a separate cylinder and remote valve when panel space is tight and running tubing is costly. The DC24V terminal connection offers safe, low-voltage control with 0.05 s response time and IP65 protection.
For load-holding applications, note that the 5/2 valve routes air but does not lock the piston; consider SAIL for mechanical locking. This configuration includes a magnet for position sensing (-S), a PT tapered thread, and a 175 mm stroke. At 175 mm stroke, side loads are minimal, but always ensure proper guide alignment to prevent rod wear.
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 SAIF50X175S-08B FAQ
At 0.5 MPa, this 50 mm bore cylinder generates 982 N of push force and 825 N of pull force. The maximum force is 200 kgf at 1.0 MPa, though the practical working pressure is capped at 0.8 MPa by the built-in valve.
Yes. The factory setting retracts the rod when the DC24V coil is energised, but you can reconfigure it to extend-when-energised by repositioning the 4M210-08 5/2 valve on the manifold block.
Related AirTAC Cylinders & Valves
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