api 6d valve pressure test

API 6D Valve Testing Procedure, Pressure, Duration

Valve Pressure Test in API 6D includes the test procedure, test pressure, duration and acceptance criteria for the hydrostatic shell test, seat test and stem backseat tes...

slab gate valve

API 6D Gate Valve Face-to-face Dimensions

API 6D Gate Valves—Face-to-face and End-to-end Dimensions in inches and millimeters, covering slab gate and through counduit gate valves....