VALVE Russian patent published in 2007 - IPC F16K31/60 F16K37/00 

FIELD: valving systems.

SUBSTANCE: valve comprises housing. The passage made in the housing between its sloping outlet and inlet passages receives the seat. The seat cooperates with the tip of the rod. The rod is sealed with respect to the housing and is controlled through the threaded bushing provided with the flywheel. The stroke indicator is mounted at the end of the rod opposite to the tip. The flywheel is connected with the threaded bushing by means of the stroke arrester. The indicator of position of the valving member passes through the arrester.

EFFECT: enhanced reliability.

1 dwg