Backflow Prevention:- Asset or Liability? OR Use air gaps at hazardous locations 1992 New Rules:- Either keep a register of all devices, and test annually
Cheaper to replace a valve.... than to repair ? FAQ2: “The first check failed, didn’t test anything else. Give me a rubber kit” FAQ1: “The valve has failed. Give me a new valve”
Valve Configurations Triple Entry Double Entry Single Entry
Expected Maintenance Year 3 to Renew Basic Rubber parts Year 6 to Renew Basic Rubber parts Year 9 to Renew working internals Year 12 to Renew Basic Rubber parts Year 15 to Renew Basic Rubber parts Year 18 to Renew working internals Year 21 to Renew Basic Rubber parts Year 24 to Renew Basic Rubber parts Year 27 to Replace Valve
Valve Triage First Aid Surgery Terminal Condition Always fully diagnose before acting
Valve Triage First Aid Surgery Terminal Condition Flush and clean. Grease and lube Replace parts Modify installation Replace Valve Change & Update Installation
Repair Options Minor parts kits Vessels Modules
Reasons for Failure :- contamination
Reasons for Failure:- Internal issues
Reasons for Failure:- Hydraulic issues