What Are The Control Valve Seat Leakage Standards? ANSI FCI 70-2 Standard | THINKTANKwashing machine water valve
rv water heater check valve shut off valve for water heater water heater ball valve water heater bypass valve The seat leakage classification of control valves complies with standard ANSI FCI 70-2 superseding ANSI B16.104. LeakageClassDesignation Maximum LeakageAllowable Test Medium Test Pressure Testing Procedures Required for Establishing Rating CLASS I – – – No test is required…