NORMALLY OPEN ELECTROMAGNETIC SHUTOFF VALVE Russian patent published in 2012 - IPC F16K31/02 

FIELD: instrument making.

SUBSTANCE: normally open electromagnetic shutoff valve includes body with inlet and outlet channels. Seat is provided inside the body for gate valve. Pilot valve is located in the gate valve. Stock is connected to pilot valve and interacts with electromagnet armature through stop and spring. In addition, valve includes guide sleeve which is connected to the body. Shell in which valve control assembly is located is installed on electromagnet flange. Magnetic conductor of electromagnet is located on guide sleeve. Electromagnet armature is located in guide sleeve. Compression spring is installed with possibility of counter-action to movement of stock in valve closing direction.

EFFECT: improving operating reliability and functional capabilities of valve.

3 cl, 4 dwg