Patent ID: 7635431
Filing Date: 2009-12-22
Classification: C02F,F16K,Y10T

Abstract:
1. A septic system comprising; a septic tank for discharging effluent to a first drain field having a plurality of first drain lines; and a flow control system including a control device operatively associated with each of said first drain lines for controlling the flow of effluent thereto, said control device having an enclosure having an internal cavity, a valve assembly associated with said enclosure having a flow passage with an inlet fluidly connected between the septic tank and said cavity and an outlet from said cavity connected to an associated drain line; a valve member in said flow passage having an open position permitting flow into said cavity and a closed position blocking said flow passage and flow into said cavity; a float member in said cavity connected with said valve member and operative to move said valve member from said open position toward said closed position in response to a raising of water level in said cavity caused by a reduction in flow capacity through said outlet to said associated drain line whereby effluent from said septic tank is routed to a control device and an associated first drain line remaining in an open position.