Double Block and Bleed, DBB Series

Instrument Double Block and Bleed Valves
Threaded or one-piece forged body
Optional port sizes and thread forms available
Orifice (all-ball-valve configuration, ball-and-needle-valve

Flange Double Block and Bleed Valves
One piece forged body
Minimizes potential leak paths
 Piping and instrument valves in one body
 1/2 female NPT standard outlet

Double Block, DB Series

DB Series: Double Block Valves
Piping and instrument valves in one body
1/2 female NPT standard outlet
Orifice: 0.16 in. (4 mm) is standard, 0.25 in. (6.4 mm) and 0.38 in. (9.5 mm) are available for some flange sizes

Double Block, DB Series

DB Series: Double Block Valves
Piping and instrument valves in one body
1/2 female NPT standard outlet
Orifice: 0.16 in. (4 mm) is standard, 0.25 in. (6.4 mm) and 0.38 in. (9.5 mm) are available for some flange sizes

Single Block and Bleed, BB Series

Flange Double Block and Bleed Valves
 One piece forged body
 Minimizes potential leak paths
 Piping and instrument valves in one body
 1/2 female NPT standard outlet

Single Block, SB Series

Monoflange Single Block Valves
Piping and instrument valves in one body
1/2 female NPT standard outlet
Orifice: 0.16 in. (4 mm) is standard, 0.25 in. (6.4 mm) and 0.38 in. (9.5 mm) are available for some flange sizes