VNA is a quick open gas shut off valve for low pressure up to intermediate pressure (45 kPa). It is NC type (open when energized) for city gas, natural gas and LPG. Nine port sizes from Rp1/2 to Rp2 1/2 are available, and the flow rate (calorie) can be adjusted even after installation.
| Working Fluid | City gas / natural gas / LPG |
| Actuation | NC (open when energized), quick open |
| Working Pressure | VNA-15: 0 to 45 kPa / VNA-20 to 40: 0 to 30 kPa / VNA-50 and 65: 0 to 20 kPa / VNA-32-D and 40-D: 0 to 5 kPa |
| Flow Rate (natural gas specific gravity 0.65, ΔP = 0.25 kPa, m³/h (ANR)) | -15: 6.9 / -20: 14.8 / -25: 18.7 / -32: 30.3 / -40: 34.5 / -50: 70.0 / -65: 112.6 / -32-D: 45.0 / -40-D: 49.0 |
| Cv | -15: 4.6 / -20: 9.9 / -25: 12.5 / -32: 20.4 / -40: 23.2 / -50: 47.1 / -65: 75.8 / -32-D: 30.3 / -40-D: 33.0 |
| Flow Rate Conversion Coefficient (multiply flow rate in table) | Natural gas (13A) 1.0, city gas (6B/6C) 1.09, propane 0.63, butane 0.57, butane-air (6A) 0.72 |
| Rated Voltage | 100 VAC (+10/-15%), 200 VAC (+10/-15%) (common to 50 and 60 Hz) |
| Power Consumption (apparent power) | VNA-15, 20 and 25: 31 VA / VNA-32 and 40: 50 VA / VNA-50: 73 VA / VNA-65: 74 VA / VNA-32-D and 40-D: 50 VA |
| Ambient Temperature | -20 to 60 °C (no freezing) |
| Opening Time / Closing Time | 0.5 s or less / 1.0 s or less |
| Frequency | 30 cycles/min. or less |
| Flow Rate Adjustment | 20 to 100% (not applicable to VNA-32-D and 40-D) |
| Mounting Orientation | Vertical direction with the coil on top or horizontal direction with the coil horizontal |
| Connection / Port Size | Screw-in (Rp) / -15: Rp1/2, -20: Rp3/4, -25: Rp1, -32: Rp1 1/4, -40: Rp1 1/2, -50: Rp2, -65: Rp2 1/2, -32-D: Rp1 1/4, -40-D: Rp1 1/2 |
| Weight | -15: 1.7 kg / -20: 2.5 / -25: 2.4 / -32: 4.0 / -40: 3.9 / -50: 8.3 / -65: 14.6 / -32-D: 3.7 / -40-D: 3.7 kg |
| Proof Pressure | 0.1 MPa |
| Degree of Protection | IPX4 |