Airtac SAIF Series Standard Cylinder with Valve SAIF100X400S-08B
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF100X400S-08B is a genuine double-acting ISO 15552 cylinder with a Ø100mm bore, 400mm 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.
- BoreØ100 mm
- Stroke400 mm
- Built-in valve4M310-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF100X400S-08B
The AirTAC SAIF100X400S-08B is a double-acting ISO 15552 profile cylinder featuring an integrated 4M310-08 5/2 solenoid valve. This specific SKU is configured with a DC24V terminal electrical entry consuming 3.0 W, a carbon steel piston rod, and a magnet for CMSE or DMSE position sensing. The built-in valve provides an effective flow area of 16.0 mm2 (Cv 0.89) and operates at a maximum frequency of 4 cycles per second. By mounting the valve directly via a manifold block and PU tubing, this unit eliminates the need for a remote valve bank, significantly reducing panel space and plumbing complexity for decentralized installations.
While the base cylinder itself is rated for 1.0 MPa, the practical operating pressure range for the assembled SAIF unit is 0.15-0.8 MPa, dictated by the internal piloted 5/2 valve. In its factory default setting, the piston rod retracts when the coil is energized; this behavior can be reconfigured to extend-when-energised simply by repositioning the valve. Delivering a robust push force of 3927 N at 0.5 MPa, this 100mm bore cylinder is designed for heavy-duty actuation. Note that the 5/2 valve routes air and the adjustable air cushions only decelerate near stroke end; neither component locks the load, so a SAIL lock cylinder is required for secure position holding.
Airtac SAIF Series Standard Cylinder with Valve SAIF100X400S-08B Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF100X400S-08B |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø100 mm |
| Stroke | 400 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | G1/2 |
| 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 (Ø100mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 3927 N | 3682 N |
| 0.7 MPa | 5498 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 SAIF100X400S-08B
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 100×400 | 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 SAIF100X400S-08B Is Used
Decentralized Assembly Stations
Ideal for large-scale manufacturing lines where routing individual valve tubing back to a central panel is impractical, allowing each station to operate independently from a single DC24V signal.
Heavy-Duty Material Forming
Provides substantial 3927 N push force at 0.5 MPa for pressing, clamping, or forming rigid components directly at the workstation without external valve lag.
Retrofit Automation Upgrades
Perfect for upgrading older pneumatic machinery by installing a self-valved actuator, bypassing the need to integrate new valve manifolds into legacy control systems.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF100X400S-08B the Right Choice?
Choose this 100mm bore SAIF model when your application demands high thrust, as it generates 3927 N of push force at 0.5 MPa. If your force requirements are lower, stepping down to the 80mm bore neighbor is an efficient choice, as it provides 2513 N of push force at 0.5 MPa while reducing air consumption. The SAIF100X400S-08B is specifically optimized for decentralized stations where running separate valve tubing is costly or space-prohibitive. A single DC24V terminal connection drives the entire actuator, offering a clean, self-switching alternative to a separate cylinder and remote valve. Because the 400mm stroke exceeds 300mm, you must account for potential side loads and implement an external guide mechanism to prevent rod binding and premature seal wear.
When ordering a replacement, verify the complete configuration: a 100mm bore, 400mm stroke, 4M310-08 valve with a 1/4" valve port, DC24V voltage, terminal electrical entry, PT tapered threading, and the -S magnet option for CMSE (reed) and DMSE (electronic) sensors. Remember that the cylinder port is PT1/2, while the valve port is PT1/4, and the manifold connects them using PU tubing. This self-contained assembly operates efficiently across a 30-800 mm/s speed range without requiring additional lubrication.
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 SAIF100X400S-08B FAQ
The 100mm bore cylinder generates a push force of 3927 N and a pull force of 3681 N at 0.5 MPa. The integrated 4M310-08 5/2 valve provides an effective flow area of 16.0 mm2 (Cv 0.89) with a maximum operating frequency of 4 cycles per second.
Yes, the factory default setting retracts the piston rod when the DC24V coil is energized, but it can be reconfigured to extend-when-energised by physically repositioning the 5/2 valve on the manifold block. This self-contained design eliminates the need for a separate remote valve.
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