Solenoid Valve

How Solenoid Valves Work - Basics actuator control valve working principle

GAS Solenoid Valves have been designed to be combined with any gas detection system. Shut off the main outlet when an emergency situation is detected. They have been installed at the gas piping and connected with a gas detector. Interrupt the gas flow in a dangerous situation.
The electro-valve is usually located after a filter, upstream of the regulation apparatus, and preferably outside the measurement zone. It has been installed with the arrow stamped on the body turned towards the user appliance.

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Manual reset solenoid valve that can be used as either normally open or normally closed.

Normally open: It closes with the voltage pulse received from the gas detector.
It can be reset only after having found and eliminated the leak that triggered the gas detector.

IMPORTANT: it must be connected to a gas detector that gives a pulse, not continuous, signal.
Normally closed: It is to be considered a safety device only when the LED on the solenoid valve’s electric connector is on. It closes when there is a blackout or when a command is received from the gas detector.
If it closes because of a black-out, the solenoid valve can still be reset to use household appliances (e.g. cooker). In this case, it will NOT work as a safety device, but when the electricity returns, the solenoid valve goes into the closed position and is ready to be reset and performed as such.
If its closure is due to a command received from the gas detector, the solenoid valve can be reset only after having found and eliminated the leak that triggered the gas detector.
IMPORTANT NOTE: The valve will not open by simply powering the coil. You must manually press the reset mechanism.
**working temperature -15÷70 C and degree of protection IP 65. Fast closing mechanics, up to 1 second.Body materials: brass ST-CW617N - EN 12420, yellow painted for threaded models, die-cast aluminum Gd-AlSi12Cu - EN AB 46100 for DN65-DN100.

Gas solenoid valve VR Tecno Control, manual reset, normally open - 6 bar

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These solenoid valves VR Tecno have been designed to be combined with any gas detection system; shut off the main outlet when an emergency situation is detected.Usually they are installed at the gas piping and connected with a gas detector, they interrupt the gas flow in dangerous situations.They can be manually reset through a knob.Maximum operating pressure of 550 mbar, working temperature -15÷70 oC and degree of protection IP 65.Fast closing mechanicms, up to 1 second.Body materials: brass ST-CW617N - EN 12420, yellow painted for threaded models, die-cast aluminium Gd-AlSi12Cu - EN AB 46100 for DN65-DN100.

AUTOMATIC SOLENOID VALVE

Application
Automatic gas solenoid valves are used for safety and control of gas for shut-off in gas feed pipes.
Suitable for various gasses, including Natural gas, Propane and LPG Gas solenoid valve normally closed solenoid that open automatically when the coil is powered and close automatically when there is no tension.

Photo for solenoid

Tecno Control