Control Of Backflow And Cross Connections

LEAD FREE Series LF009 - Watts

Approved by the Foundation for Cross-Connection Control and Hydraulic Research at the University of Southern California. Approval models QT, PC, NRS, OSY. UL Classified 21⁄2" and 3" (65 and 80mm) with OSY gate valves. 3/4" - 2" (20-50mm) without shutoff valves (-LF) (except LF009M3LF) A B A B Air Gaps and Elbows MODEL DRAIN OUTLET DIMENSIONS ...

  Cross, Control

What is Public Water System?

$ Cross connection program and annual backflow device testing (from Title 17, §7583-7605) $ Licensed water treatment operator and distribution staff (§64413.1-64413.7) $ Written procedures for system maintenance, for example pipeline break procedures, etc.

  System, Cross, Public, Water, Backflow, Public water systems

Backflow Prevention - Watts

cause backflow. Backsiphonage: Backflow caused by negative or reduced pressure in the supply piping. Cross-connection: A connection or potential connection between any part of the potable water system and another environment where undesirable substances could enter the potable water system. Contaminated or undesirable substances can include gases,

  Cross, Prevention, Backflow, Backflow prevention

Design Criteria for Sewers and Watermains

iv January 2021 Design Criteria for Sewers and Watermains Expanded Transfer of Review Program ..... 29 Sewage Works Allowed Under the Transfer of Review