FVB is an NC direct acting 2-port solenoid valve for medium vacuum piping. It opens when energized, with Rc1/8, Rc1/4 and Rc3/8 ports. Valve seat leakage is 1.33×10⁻⁶ Pa·m³/s (He) or less.


| Working Fluid | Air (medium vacuum) |
| Valve Structure | Direct acting poppet, NC |
| Proof Pressure | 5.0 MPa (3.0 MPa for ø7 orifice) (water pressure) |
| Fluid Temperature | -10 to 40 °C (no freezing) |
| Ambient Temperature | -20 to 40 °C |
| Thermal Class | Class 130 (B) |
| Valve Seat Leakage | 1.33×10⁻⁶ Pa·m³/s (He) or less |
| Degree of Protection | IP65 or equivalent (IP61 or equivalent for T type terminal box) |
| Port Size | Rc1/8, Rc1/4, Rc3/8 |
| Orifice Size | 1~7 mm |
| Minimum Working Pressure | 1.3×10⁻² Pa (abs) |
| Weight | 0.16~0.69 kg |
| Mounting Orientation | Unrestricted |
| Rated Voltage | 100 VAC, 200 VAC, 24 VDC, 12 VDC (100 VAC also usable at 110 VAC (60 Hz), 200 VAC also usable at 220 VAC (60 Hz)) |