Airtac SAIF Series Standard Cylinder with Valve SAIF40X100-08B
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF40X100-08B is a genuine double-acting ISO 15552 cylinder with a Ø40mm bore, 100mm 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
- Stroke100 mm
- Built-in valve4M210-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF40X100-08B
The AirTAC SAIF40X100-08B is a double-acting ISO 15552 profile cylinder featuring a built-in 4M210-08 5/2 solenoid valve. The integrated valve provides an effective flow rate of 16.0 mm2 (Cv 0.89) and operates at 5 cycles per second. Equipped with a DC24V terminal electrical entry, the coil consumes 3.0 W, features IP65 protection, and activates in 0.05 seconds or less. A carbon steel piston rod and PT tapered port threads are standard. Because the manifold routes air via an O8 x O5 PU tube, the valve port (1/4 inch) is distinct from the cylinder port (1/4 inch).
While the cylinder body itself is rated for 1.0 MPa, the practical operating pressure for this self-valved assembly is 0.15-0.8 MPa. At 0.5 MPa it delivers 628 N of push force and 528 N of pull force. By default, the piston rod retracts when the coil is energised, but you can reconfigure it to extend-when-energised simply by repositioning the valve. This built-in design eliminates the need for a separate remote valve, reducing tubing and panel space for decentralized machine stations.
Airtac SAIF Series Standard Cylinder with Valve SAIF40X100-08B Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF40X100-08B |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø40 mm |
| Stroke | 100 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 | 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 (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 SAIF40X100-08B
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 40×100 | 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 SAIF40X100-08B Is Used
Decentralized Assembly Stations
Eliminates the need for a central valve bank, allowing independent cylinder control directly at the station using a single DC24V signal.
Space-Constrained Machinery
The integrated 4M210 valve manifold saves valuable panel and tubing space in tight equipment layouts while delivering 628 N push force.
Pneumatic Retrofitting
Ideal for upgrading existing ISO 15552 machines where adding external pneumatic plumbing to a remote valve is impractical.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF40X100-08B the Right Choice?
Choose this 40 mm bore when a 32 mm bore (402 N push at 0.5 MPa) is insufficient, but a 50 mm bore (982 N push at 0.5 MPa) would be excessive. The SAIF40X100-08B is ideal for applications where running separate valve tubing is costly or space-prohibitive. The DC24V terminal coil offers low power consumption and safe voltage control. Remember that the 5/2 valve routes air but does not lock the load; if you need true position holding under pressure loss, consider the SAIL lock or BSAI clamp-lock cylinder series instead. For replacement, verify the 40 mm bore, 100 mm stroke, 1/4 inch valve port, DC24V voltage, terminal entry, PT thread, and absence of a magnet (-S). Since the stroke is 100 mm, no external side-load guide is required.
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 SAIF40X100-08B FAQ
At 0.5 MPa, the 40 mm bore generates 628 N push and 528 N pull force. 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.
No, it features an integrated 5/2 valve that drives the cylinder from a single DC24V coil signal. By factory default, the rod retracts when the coil is energised, but this can be reconfigured to extend-when-energised by repositioning the valve.
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