This product data sheet details the Swagelok DP Series A-191 A diaphragm valve, covering specifications for low and high-pressure models, materials…
The document provides technical data for the Swagelok DP Series Diaphragm Valve model A-191 A. It describes features suitable for ultra-high purity applications, including 316L VIM-VAR stainless steel bodies and various end connections such as VCR®, butt-weld, and module-style surface mount.
The data sheet distinguishes between low-pressure (250 psig) and high-pressure (3045 psig) valve types. It lists specific materials for components like the diaphragm (Elgiloy), seats (PCTFE), and valves, along with flow coefficients (Cv) and flow rate tables for water and air.
Available options include VCR®, butt-weld, and module-style surface mount terminations.