Airtac SAIF Series Standard Cylinder with Valve SAIF50X75S-08A
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF50X75S-08A is a genuine double-acting ISO 15552 cylinder with a Ø50mm 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.
- BoreØ50 mm
- Stroke75 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF50X75S-08A
The AirTAC SAIF50X75S-08A is a double-acting ISO 15552 profile cylinder featuring an integrated 4M210-08 5/2 solenoid valve. This specific build utilizes a 1/4" valve port delivering a 16.0 mm2 effective area (Cv 0.89) and includes a -S magnet for position sensing with CMSE reed or DMSE electronic switches. Driven by an AC220V terminal-style coil consuming 3.5 VA, it activates in 0.05 seconds or less. While the cylinder body rates to 1.0 MPa, the practical operating range for this valved assembly is 0.15-0.8 MPa, generating 982 Newtons of push force at 0.5 MPa.
By default, the factory setting retracts the piston rod when the coil is energised, but you can reconfigure it to extend-when-energised simply by repositioning the valve. Because it switches itself from one coil signal, this decentralized design eliminates the need for a separate remote valve, cutting down on PU tubing and panel space. The manifold connects via O8 x O5 PU tubing, and the valve port (1/4") is distinct from the cylinder port (also 1/4"), ensuring precise pneumatic routing.
Airtac SAIF Series Standard Cylinder with Valve SAIF50X75S-08A Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF50X75S-08A |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø50 mm |
| Stroke | 75 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 | AC220V · 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 (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 SAIF50X75S-08A
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 50×75 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M210-08. |
| A | Coil voltage AC220V. |
| 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 SAIF50X75S-08A Is Used
Decentralized Assembly Stations
Perfect for large machines with multiple stations, using local coil signals to eliminate long tubing runs back to a central valve bank.
Compact Clamping Fixtures
Delivers 982N of push force at 0.5MPa in a tight footprint, with the integrated valve minimizing external plumbing on the fixture.
Retrofit Automation
Ideal for upgrading existing machinery where adding a remote valve island is impractical, providing self-contained actuation.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF50X75S-08A the Right Choice?
Select this 50mm bore when your application requires around 982 Newtons of push force at 0.5 MPa. If your load demands less thrust, consider stepping down to the 40mm bore which provides 628 Newtons at the same pressure. The SAIF50X75S-08A is ideal for space-tight machines where running valve tubing is costly, as the built-in 4M210 valve handles switching locally. Ensure you match the AC220V terminal electrical entry and PT tapered port threads during replacement. Note that the 5/2 valve routes air and does not hold the load without live pressure; for true load-holding, explore the SAIL lock or BSAI clamp-lock series.
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 SAIF50X75S-08A FAQ
The 50mm bore generates 982 Newtons of push force and 825 Newtons of pull force at 0.5 MPa. The built-in 4M210-08 valve provides an effective area of 16.0 mm2 (Cv 0.89) with a maximum frequency of 5 cycles per second.
The 5/2 valve routes air but does not lock the load without live pressure. By factory default, the rod retracts when the AC220V coil is energised, but this can be reconfigured to extend-when-energised by repositioning the valve.
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