Airtac SAIF Series Standard Cylinder with Valve SAIF80X125-08B
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF80X125-08B is a genuine double-acting ISO 15552 cylinder with a Ø80mm bore, 125mm stroke and a built-in 4M310-08 5/2 solenoid valve — it switches itself from one coil signal, so no separate remote valve or extra plumbing is needed.
- BoreØ80 mm
- Stroke125 mm
- Built-in valve4M310-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF80X125-08B
The AirTAC SAIF80X125-08B is a double-acting ISO 15552 profile cylinder featuring an integrated 4M310-08 5/2 solenoid valve. Driven by a DC24V terminal entry coil drawing 3.0 W, it delivers a Cv of 1.40 and generates 2513 N of push force at 0.5 MPa. The manifold connects to the cylinder via PU tubing, meaning the 1/4" valve port and 3/8" cylinder port serve distinct routing functions. Because the 5/2 valve operates at 0.15-0.8 MPa, this defines the practical working range for the assembled unit, even though the bare cylinder rates to 1.0 MPa.
By default, the piston rod retracts when the coil is energised, but you can reposition the valve to extend-when-energised. This self-switching design eliminates the need for a separate remote valve, reducing panel space and tubing runs for decentralized machine stations. The unit responds in 0.05 s or less, carries an IP65 rating, and uses standard carbon steel rod material with PT tapered threads.
Airtac SAIF Series Standard Cylinder with Valve SAIF80X125-08B Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF80X125-08B |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø80 mm |
| Stroke | 125 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | G3/8 |
| Rod thread | M20×1.5 |
| PU tube | Ø10 × Ø6.5 |
| Built-in valve | 4M310-08 (5/2) |
|---|---|
| Valve flow | 25.0 mm² (Cv 1.40) |
| Max frequency | 4 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 (Ø80mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 2513 N | 2268 N |
| 0.7 MPa | 3519 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 SAIF80X125-08B
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 80×125 | Bore × stroke in mm. |
| -08 | Valve port 1/4" → 4M310-08. |
| 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 SAIF80X125-08B Is Used
Decentralized Automation Stations
Eliminates remote valve panels on large machines by switching locally via the DC24V terminal coil, saving wiring and pneumatic tubing across long distances.
High-Force Clamping Fixtures
Provides 2513 N of push force at 0.5 MPa directly at the workpiece, ideal for securing heavy components during machining without external valve lag.
Space-Constrained Machine Retrofits
Drops into tight envelopes where adding a separate 4M310 valve and manifold is impossible, using the integrated manifold and PU tubing for a compact footprint.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF80X125-08B the Right Choice?
Choose this 80 mm bore when you need substantial thrust—2513 N push at 0.5 MPa or 3518 N at 0.7 MPa—without the plumbing of a remote valve bank. If your application requires less force, stepping down to a 63 mm bore yields 1559 N push at 0.5 MPa; stepping up to 100 mm provides 3927 N. The integrated 4M310-08 valve handles up to 4 cycles per second, making it ideal for space-tight machines where running separate valve tubing is costly. For loads requiring position holding, note that the 5/2 valve routes air but does not lock the load—consider an AirTAC SAIL lock cylinder for fail-safe holding. When replacing, match the 125 mm stroke, 3/8" cylinder port, 1/4" valve port, DC24V terminal coil, PT threads, and no magnet.
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 SAIF80X125-08B FAQ
At 0.5 MPa, this 80 mm bore cylinder generates 2513 N of push force and 2268 N of pull force. The built-in 4M310-08 5/2 valve has an effective area of 25.0 mm2 (Cv 1.40) and supports a maximum frequency of 4 cycles per second.
No, the integrated 4M310 valve is internally piloted and switches directly from the DC24V coil signal. Factory-set to retract when energised, it can be reconfigured to extend-when-energised by repositioning the valve, eliminating the need for any separate remote valve.
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