BALL VALVE WITH FILTER Russian patent published in 1997 - IPC

FIELD: valving. SUBSTANCE: ball valve with a filter consists of housing provided with inlet and outlet openings, spherical plug mounted in a seat seal and provided with a rotation drive, and filter mounted in the flow passageway of the plug from the side of the outlet opening of the housing. The housing is provided with two branch pipes through openings of which solid cake is removed from the filter. To set the valve in a position for cleaning automatically it is provided with pressure gauge and converter connected with the drive of rotation of the plug. The branch pipes are connected with the main cleaning line. EFFECT: enhanced reliability. 2 cl, 5 dwg