VALVE Russian patent published in 2007 - IPC F16K17/32 

FIELD: valving systems.

SUBSTANCE: valve comprises housing provided with inlet, outlet, and drain connecting pipes and pivot-lever link. The spring-loaded rod with spring-loaded cutoff member has the mechanism for switching and is connected with the fluid to be transported through the diaphragm unit. The diaphragm unit is connected with the mechanism for adjusting the valve through the pivot-lever link in addition to the spring-loaded rod. The adjusting mechanism responds to the decrease or increase of the pressure in the fluid to be transported. They are connected to the spherical surface by means of washers and bearings and are mounted at the opposite ends of the rocker. The rocker is secured to the axle and cooperates with the pivot-lever link.

EFFECT: enhanced reliability and expanded functional capabilities.

1 cl, 3 dwg