作者: James G. Dempsey
DOI:
关键词: Effluent 、 Septic tank 、 Sewage 、 Gate valve 、 Waste management 、 Engineering 、 Septic drain field
摘要: A sewage septic tank is described having a diversion system for diverting effluent from the one drain field to another. "Y" provided on outlet pipe of enable such be directed either two fields. gate valve at end each arm Y allow flow within associated therewith controlled. Thus, can periodically diverted another so that fields are allowed alternately dry out. The position actuator valves provides simple visual indication state any given time.