The 7074 Series is a collection of 303 SS diaphragm packless valves designed for a variety of high-purity and high-pressure applications. Examples include analytical & instrumentation gases, EPA protocol gases, environmental monitoring and medical applications using pharmaceutical gases.

The 7774 Series is a collection of 316L SS diaphragm packless valves used in corrosive gas applications, cylinder phosphine gas, atmospheric and purging gases, dopant gases and reactant gases.