Backflow preventers
Found 3 free book(s)RP/IS-009 Installation, Maintenance, & Repair Series 009 ...
media.wattswater.comE. Backflow preventers should never be placed in pits unless abso- lutely necessary and then only when and as approved by local codes. In such cases, provision should be made to always vent above flood level or for a pit drain to ensure an adequate air gap below the relief port. F. It is important that Series 009 and LF009 backflow preventers be
MASTER SPECIFICATIONS Division 21 FIRE SUPPRESSION
www.northwestern.eduvalves, standpipes, backflow preventers, gauges, hose connections and cabinets, and all other similar and required components. The University can provide a sample of the report when requested. F. Maps: Per the University requirements (and …
UFGS 22 00 00 Plumbing, General Purpose - WBDG | WBDG
www.wbdg.org2.5 BACKFLOW PREVENTERS 2.6 DRAINS 2.6.1 Floor and Shower Drains 2.6.1.1 Metallic Shower Pan Drains 2.6.1.2 Drains and Backwater Valves 2.6.2 Bathtub and Shower Faucets and Drain Fittings 2.6.3 Area Drains 2.6.4 Floor Sinks 2.6.5 Boiler Room Drains 2.6.6 Pit Drains 2.6.7 Sight Drains 2.6.8 Roof Drains and Expansion Joints