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Supply top quality gas emergency shut off solenoid valves DN25A
Instruction
The valve is a gas emergency shut off solenoid valve, specially designed as gas pipe breaker for emergency use. It can be connected with gas leaking detection sensor,fire alarm circuit or other intelligent sensor modules, to shut off the gas supply (manually or automatically), The valve features an auto-close when strong vibration is detected. After shut off, manual operation is required to turn on the valve. This feature meets safety regulations in the event of an accident.
Dimensions
Technical data
| Suitable gas types | City gas,Natural gas,LPG |
| Body | Brass alloy |
| Sealing material | NBR Rubber |
| Operation temperature | -10 °C ~ + 50 °C |
| Pressure max. | 50 kpa |
| Connection | G1/2", G3/4" , G1" |
| Turn on | Manual |
| Shut off | current impulse or manual |
| Driving voltage | DC 9-12V |
| Shut off time | < 1 sec |
| Explosion proof mark | Exmb ⅡT4 |
| Lead wire | 0.4m |
Working principal
When the switch is pressed, the capacitor discharges and provides an electric current so that the coil can generate strong megnetic held to pull down the valve, achieving the shut-off within one second.
Installation example
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