‘Double Block and Bleed’ valves are generally used to isolate process systems or instruments from their gas sources. Development Process. During the development process, a test unit was built by ...

Dave Albertson, Director of Engineering Services, WeldFit, discusses how to optimise double block and bleed (DBB) isolation ...

The Coast Guard Office of Design and Engineering Standards has released Marine Safety Alert 05-22, to inform the Coast Guard Officers in Charge, Marine Inspection (OCMI) and the maritime industry that ...