
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF40X100S-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.
The AirTAC SAIF40X100S-08B is a double-acting ISO 15552 profile cylinder fitted with a built-in 4M210-08 5/2 solenoid valve, delivering a Cv of 0.89 and a 16.0mm effective orifice. Driven by a DC24V terminal entry coil consuming 3.0W, it switches itself from a single electrical signal, eliminating remote plumbing. The assembled unit operates safely within 0.15-0.8MPa, as the valve's pressure limit governs the system below the bare cylinder's 1.0MPa rating.
Generating 628N of push force at 0.5MPa, this 40mm bore actuator includes a magnet for CMSE and DMSE sensors. Factory configured to retract the rod when energised, the valve can be repositioned to extend on signal. The manifold connects to the PT1/4 cylinder port via an O8xO5 PU tube, keeping the valve port separate from the cylinder connection for decentralized installations.
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF40X100S-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.
| 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.
| 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).
Ideal for large assembly lines where running individual valve tubing back to a central manifold is costly and complex.
Fits space-tight machinery by integrating the 5/2 valve directly onto the cylinder profile, minimizing external footprint.
Simplifies machine upgrades by adding self-switching pneumatic control without requiring new external valve islands.
Choose this 40mm bore when a 32mm cylinder lacks thrust (offering 402N at 0.5MPa) or when a 50mm unit is oversized (providing 982N at 0.5MPa). The self-valved SAIF design excels over separate cylinder and valve setups by saving panel space and cutting tubing runs across large machines. For load holding, note the 5/2 valve routes air but does not lock; consider SAIL for positive holding. Replacement requires matching the 40mm bore, 100mm stroke, 4M210-08 valve, DC24V terminal coil, PT threads, and the -S magnet.
Quick checklist
At 0.5MPa operating pressure, the 40mm bore generates 628N of push force and 528N of pull force. The maximum thrust is 128kgf at 1.0MPa.
The integrated 5/2 valve is piloted to hold position without springs. Factory set to retract when the DC24V coil is energised, it can be repositioned to extend instead, eliminating the need for a separate remote valve.
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