"Total equipment isolation valves cannot guarantee to be 100% leakage free."
Leakage trouble may cause big losses of industrial equipment and impact human safety such as
contamination of fluid mixing, personal accident by inhalation of toxic gases or unexpected
explosion that can lead to extreme danger.
Typical blank work have had real problems at site such as:
We have developed an innovative BOXY BLIND VALVE to replace existing blank, spectacle plate, DBB(Double Block and Bleed)valve and spool piece, without pipe revision for the first time in the world.