The DBA diaphragm valve stack is a modular, stream-switching, manifold assembly containing double-block-and-bleed valves and a fast loop shut-off with an atmospheric reference. The DBA Series consists of DBB Series valves stacked with a single DSV Series valve.

Product Features

• Stream select manifold assembly
• Metal-to-metal seals to atmosphere to prevent leakage
• Wide choice of materials for virtually all applications
• No dynamic o-rings, springs, or lubricant in wetted flow path to eliminate sample contamination
• Stacked diaphragms for extended service life
• Integrated sweep loop in manifold
• Pneumatic actuation (DSV valve is top air only)
• Pressures from vacuum (50 torr) to 500 psig (34 barg)