10.2016 AZ-Armaturen Double Block & Bleed Valves
Type DBI
The AZ-Armaturen double block and bleed valve is a plug valve with two independent sealing areas which provide a tight seal against pressure from both ends of the valve. Additionally, the cavity between the sealing areas can be vented/bleeded (DBI Type A) in order to recognise a leakage on one sealing immediately.
The AZ-Armaturen double