Send Message
Your message was successfully sent!
DBB (Double Block and Bleed): Two single piston-effect seats.
DIB-I (Double Isolation and Bleed Type I): Two double piston-effect seats.
DIB-II (Double Isolation and Bleed Type II): One double piston-effect seat and one single piston-effect seat.
Source: https://www.ball-valve-manufacturer.com/dbb-expanding-plug-valve-2-16-inch-150-600-lb-api-6d.html