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Model: 621A-220V / 622A-24V / 626A-110V
Self-developed and manufactured Japanese-style gas proportional valve for wall-hung boilers, double shut-off valve with ultra-high safety performance, compact structure, exquisite appearance, excellent and reliable performance, more comfortable and precise adjustment and control to save energy.
Japanese style gas proportional valves
Model: 621A-220V / 622A-24V / 626A-110V
Performance parameters
| Applicable gas source types | Natural gas, liquefied gas, manufactured gas | |||||
| Max. gas pressure | Below 6kPa | |||||
| Operating ambient temperature |
-20~+60℃ |
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On Close Valve |
Rated voltage |
DV24V |
DC110V |
DC220V |
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| Operating voltage (Pressurised 5kPa ) |
VD≤19V | VD≤85V | VD≤185V | |||
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Release voltage (Pressurised 5kPa) |
≥3.6V |
≥16.5V | ≥35V | |||
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Ratio Example Valve |
Rated voltage | DC24V | ||||
| Operating current range | 35mA~ -145mA; 120mA~ -200mA; |
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Air airtight Airtightness |
External leaks | 15kPa soil 5% air pressure. Leakage ≤ 30ml/h |
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| Internal Leaks | 6kPa soil 5% air pressure. Leakage ≤ 30mI/h |
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Structural sketch
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Proportional Valves | Regulators | Pressure Valves
ADD：6/F, Building D1, Tianzhou Zhigu Innovation Park, He Sui Industrial Avenue, Dongfeng Town, Zhongshan
TEL：0760-86152226
MOB：13925356126
FAX：0760-86152225
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