Airtac SAIF Series Standard Cylinder with Valve SAIF40X175-08A
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF40X175-08A is a genuine double-acting ISO 15552 cylinder with a Ø40mm 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.
- BoreØ40 mm
- Stroke175 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilAC220V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF40X175-08A
The AirTAC SAIF40X175-08A is a double-acting profile cylinder dimensionally interchangeable per ISO 15552, featuring a built-in 4M210-08 5/2 solenoid valve with a 16.0 mm2 orifice (Cv 0.89). Driven by an AC220V terminal coil drawing 3.5 VA, it activates in 0.05 s with an IP65 rating. The assembly operates within 0.15-0.8 MPa because the internal pilot valve limits the 1.0 MPa cylinder pressure rating.
Delivering 879N push force at 0.7 MPa, this unit uses an O8 x O5 PU tube manifold block to switch itself from one coil signal, eliminating remote plumbing. The factory default retracts the rod when energised, but you can reposition the valve to extend-when-energised. It suits decentralized stations across large machines, saving panel space.
Airtac SAIF Series Standard Cylinder with Valve SAIF40X175-08A Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF40X175-08A |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø40 mm |
| Stroke | 175 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | G1/4 |
| Rod thread | M12×1.25 |
| 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 | 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 (Ø40mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 628 N | 528 N |
| 0.7 MPa | 880 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 SAIF40X175-08A
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 40×175 | 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 SAIF40X175-08A Is Used
Decentralized Assembly Lines
Eliminates remote valve banks by switching locally via the AC220V terminal coil, drastically reducing tubing across large factory layouts.
Compact Clamping Stations
Provides 879N push force at 0.7 MPa in tight machine footprints where mounting a separate valve and manifold block is physically impossible.
Retrofit Automation
Simplifies machine upgrades by replacing standalone actuators with a self-switching unit, minimizing new pneumatic wiring runs.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF40X175-08A the Right Choice?
Choose this 40mm bore when 32mm lacks thrust (563N at 0.7 MPa) or 50mm is excessive (1374N at 0.7 MPa). A self-valved SAIF beats a separate cylinder plus remote valve by cutting wiring and tubing, which is ideal for space-tight machines. The 175mm stroke is standard and under the 1200mm maximum, but always verify side-load limits and use guide rails for stable operation. To replace this exact unit, match the 40mm bore, 175mm stroke, 1/4" valve port, AC220V voltage, terminal entry, PT threads, and no magnet.
If you need true load holding without live pressure, note the 5/2 valve only routes air and is not a lock; consider the SAIL lock cylinder instead. For standard sensing, adding an -S magnet enables CMSE reed or DMSE solid-state switches in the side groove.
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 SAIF40X175-08A FAQ
The 40mm bore generates 879N push force at 0.7 MPa. The integrated 4M210-08 5/2 valve provides a 16.0 mm2 effective area (Cv 0.89) and supports a maximum frequency of 5 cycles per second.
The built-in 4M210 valve allows the cylinder to switch itself from one coil signal, saving panel space and tubing for decentralized installations. By factory default, the rod retracts when the AC220V coil is energised, but repositioning the valve changes it to extend-when-energised.
Related AirTAC Cylinders & Valves
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