Airtac SAIF Series Standard Cylinder with Valve SAIF63X900-08B
The AirTAC Airtac SAIF Series Standard Cylinder with Valve SAIF63X900-08B is a genuine double-acting ISO 15552 cylinder with a Ø63mm bore, 900mm 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.
- BoreØ63 mm
- Stroke900 mm
- Built-in valve4M310-08
- Valve port1/4"
- CoilDC24V
- EntryTerminal
About the Airtac SAIF Series Standard Cylinder with Valve SAIF63X900-08B
The AirTAC SAIF63X900-08B is a double-acting ISO 15552 profile cylinder engineered with a built-in 4M310-08 5/2 solenoid valve, delivering a Cv of 1.40 and a 25.0 mm2 effective area. Driven by a DC24V terminal entry coil drawing 3.0 W with an IP65 rating and a 0.05 s response time, it eliminates the need for a remote valve bank. The cylinder features a 3/8 inch port, while the integrated valve utilizes a 1/4 inch PT port, connected internally via O10 x O6.5 PU tubing.
Because the 4M310 valve operates between 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. Delivering 1559 N of push force at 0.5 MPa, it is ideal for decentralized stations. From the factory, the piston rod retracts when the coil is energised, but you can reposition the valve to extend-when-energised if your sequence requires it.
Airtac SAIF Series Standard Cylinder with Valve SAIF63X900-08B Technical Specifications
| Model | Airtac SAIF Series Standard Cylinder with Valve SAIF63X900-08B |
|---|---|
| Series | SAIF ISO 15552 cylinder with valve |
| Bore size | Ø63 mm |
| Stroke | 900 mm |
| Acting type | Double acting, self-valved |
| Cylinder port | G3/8 |
| Rod thread | M16×1.5 |
| 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 (Ø63mm)
| Pressure | Push force | Pull force |
|---|---|---|
| 0.5 MPa | 1559 N | 1402 N |
| 0.7 MPa | 2182 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 SAIF63X900-08B
| SAIF | ISO 15552 cylinder with built-in 4M valve. |
|---|---|
| 63×900 | 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 SAIF63X900-08B Is Used
Decentralized Automation Stations
Perfect for large machines where routing air tubing to a central valve island is costly. The integrated 4M310 valve lets this 63 mm cylinder switch itself directly from a DC24V signal.
Long-Stroke Material Handling
The 900 mm stroke provides extended reach for push-off or sorting tasks on conveyors, while the adjustable air cushions protect the end caps from impact at speeds up to 800 mm/s.
Space-Constrained Machinery
By mounting the 5/2 valve and manifold directly on the profile barrel, you free up valuable panel space and eliminate complex pneumatic routing in tight factory layouts.
Is the Airtac SAIF Series Standard Cylinder with Valve SAIF63X900-08B the Right Choice?
Choose this 63 mm bore when a 50 mm bore (offering 982 N push at 0.5 MPa) is underpowered, but an 80 mm bore (2513 N push) would be excessive. The 900 mm stroke falls within the 1500 mm standard limit, but at this length you must account for side loads and use a guide rail to prevent rod bending. The self-contained DC24V terminal coil design drastically cuts plumbing and panel space compared to running separate cylinder and remote valve setups.
This unit does not hold its load without live pressure, as the 5/2 valve routes air rather than locking it; for true mechanical clamping look to the BSAI series. To replace this SKU exactly, match the 63x900 dimensions, 4M310-08 valve, DC24V voltage, terminal entry, PT threads, and standard carbon steel rod. Note that position sensing requires adding an -S magnet for CMSE reed or DMSE electronic switches.
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 SAIF63X900-08B FAQ
At 0.5 MPa, this 63 mm bore cylinder generates 1559 N of push force and 1402 N of pull force. The built-in 4M310-08 5/2 valve provides an effective area of 25.0 mm2 (Cv 1.40) with a maximum frequency of 4 cycles per second.
No, the integrated 4M310 valve controls the cylinder directly from one DC24V coil signal. By default, the rod retracts when energised, but you can reposition the valve to extend-when-energised. It operates within 0.15-0.8 MPa.
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