| 摘要 |
An improved water softener control valve for use on an automatic water softening or conditioning tank where the valve housing is formed of a suitable plastic material positioned within a rigid mounting bracket secured to a water softening tank, and valve cartridges having a double diaphragm actuation are controlled by solenoid operated valves mounted on a plate secured to the valve housing. The valve cartridge has been improved by the elimination of the side drain opening with bleed-off from the upper pressure chamber occurring through the upper diaphragm and an annular bottom seal for the valve cartridge, and the solenoid valve structure has been improved to provide an easier and quicker mounting arrangement of the solenoid valves on the valve plate secured to the control valve and mounting bracket.
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