Search results with tag "Leakage acceptance rates comparison metal amp soft"

Leakage Acceptance Rates Comparison Metal & Soft …

Soft seated valves such as ball valves must be zero leakage. Bronze gate, globe & check valves are usually only tested per MSS SP-61 ‘Pressure Testing of Steel Valves’. ‘Pipeline Valves’ such as trunnion mounted ball valves, pressure balanced lubricated plug valves and pipeline slab gate valves are tested to API6D - ‘Pipeline Valves’.

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