Double multiple change-over valve, for controlling the...

Details Double multiple change-over valve, for controlling the... Double multiple change-over valve, for controlling the...

F - Mech Eng,Light,Heat,Weapons

16

K

137/108

F16K 11/00 (2006.01) C02F 1/42 (2006.01)

Patent

CA 1164312

ABSTRACT OF THE DISCLOSURE A multiple change-over valve which can be set into various positions suitable for the operation of a water treatment plant. A moulded synthetic resin body defines two valve units with seats for two movable assemblies con- trolled by cylinder-piston systems such as to assume two positions; each of the two movable assemblies comprises at one end a cavity with lateral apertures, and in an intermediate position longitudinal passages for cooperat- ing with various passages, including transverse passages, between the two seats, and with passages for communication with the top and bottom of a resin column. A suction feeder for the regenerating solution, in the form of a venturi tube, is fixed between the water feed and the top of the column in order to operate when the column is connected to discharge. - 1 -

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