Model: 621B (wall-hung double valve)
The Japanese gas proportional valve for fireplaces with double shut-off valve has a high safety performance, compact structure, exquisite appearance, excellent performance and reliability, more comfortable and precise adjustment and control to save energy.
Japanese style gas proportional valves
Model: 621B (wall-hung double valve)
Performance parameters
| Applicable gas types | Natural gas, liquefied gas, manufactured gas | |
| Max. gas pressure | Below 6kPa | |
| Operating ambient temperature | -20~+60℃ | |
|
On Close Valve |
Rated voltage | DC220V |
| Operating voltage (Pressurised 5kPa ) |
VD≤185V | |
| Release voltage (Pressurised 5kPa)| |
≥35V | |
|
Ratio Example Valve |
Rated voltage | DC24V |
| Operating current range | 120mA~ 230mA | |
|
Air airtight Airtightness |
External leakage | 15kPa±5% air pressure, leakage ≤ 30ml/h |
| Internal leaks | 6kPa±5% air pressure, leakage ≤ 30ml/h | |
Structural sketch

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